Tech stack
167 projects use PostgreSQL.
Visual workflow automation with room to drop into code
n8n sits between a no-code automation builder and a scripting environment. Workflows are assembled on a canvas from several hundred integrations, and any node in that canvas can be replaced with a JavaScript or Python function when the visual version stops being expressive enough.
Build and deploy AI agents and RAG pipelines visually
Dify is where a prompt experiment becomes something a team can operate. Workflows are assembled on a canvas, datasets are indexed and versioned, and every deployment gets an API endpoint with logging and cost tracking attached.
Self-hosted photo and video backup for your own server
Immich replaces a cloud photo service with software that runs on hardware you own. Mobile apps for iOS and Android back up new photos and videos in the background, so the library on your server stays current without you thinking about it.
Postgres-powered backend platform for production apps
Supabase gives an application everything it needs on the server side without hiding the database behind a proprietary abstraction. The primitive is plain Postgres, and the platform layers authentication, generated APIs, storage, realtime subscriptions, and edge functions on top of it.
Polished chat interface for many model providers
LobeChat is the most designed of the open chat front ends. Plugins, an assistant marketplace, voice input and output, and vision support are all present, and the interface holds up next to commercial products.
API client that runs in the browser and stays fast
Hoppscotch is an API client that opens in a tab. Requests, collections, environments, and history are all there, and it starts in the time a desktop client takes to check for updates.
Open-source headless CMS turning content models into REST and GraphQL APIs.
Strapi is a self-hosted, open-source headless CMS built with JavaScript and TypeScript that turns content models designed in a no-code builder into REST and GraphQL APIs behind a customizable admin panel.
Open-source ERP and CRM with 40-plus integrated business apps
Odoo is an open-source ERP and CRM whose 40-plus integrated apps cover accounting, inventory, sales, and project work from one database.
Decentralized microblogging network of independently run ActivityPub servers
Mastodon is a decentralized microblogging social network where thousands of independently operated servers federate through ActivityPub, so a person on one server can follow and reply to people on any other.
Deploy applications to your own servers with one click
Coolify is a deployment platform that runs on servers you already pay for. It builds from a Git repository, provisions databases, issues certificates, and handles rollbacks, without the per-instance pricing of a hosted platform.
Lightweight password vault server for Bitwarden clients
Vaultwarden reimplements the Bitwarden server API in Rust so that it runs comfortably on a Raspberry Pi or a small VPS, while the official Bitwarden desktop, mobile, and browser clients connect to it unchanged.
Open-source community platform for discussion, chat, and support
Discourse is a self-hosted community platform that combines threaded discussion with built-in chat, search, and moderation tools.
Self-hosted document management that turns paper scans into a searchable archive
Paperless-ngx is a self-hosted document management system that OCRs scanned paper and office documents into a searchable, tagged online archive.
Code-first headless CMS and Next.js backend with an auto-generated admin panel.
Payload is a code-first, self-hosted headless CMS for Next.js that generates an admin panel with REST and GraphQL APIs from TypeScript config.
Open-source Python framework and runtime for building AI agent platforms
Agno is a Python framework and runtime for building agent platforms with memory, knowledge, and tool integrations.
Design and prototyping built on open web standards
Penpot stores designs as SVG and uses CSS layout primitives - flex and grid - as its layout model, so what a designer builds maps onto what a developer implements rather than needing translation.
Issue tracking and planning without per-seat pricing
Plane covers the ground between a lightweight tracker and a full project suite: issues, cycles, modules, and roadmaps, with views that suit both engineers and the people asking them for dates.
Privacy-first web analytics without cookies, self-hosted or in the cloud
Umami is a privacy-first web analytics platform covering traffic, campaigns, behavior, conversions, and revenue without cookies, available self-hosted or on Umami Cloud.
Scheduling infrastructure you can host and extend
Cal.com covers the booking link case well, but its real distinction is that scheduling is exposed as infrastructure. Availability, event types, and bookings all have APIs, and the booking page can be embedded rather than linked.
Self-hostable deployment platform for apps and databases
Dokploy is a self-hostable platform for deploying applications and databases to servers you control, with Docker builds, managed TLS, and backups.
Open-source AI second brain for notes, agents, and automations
Khoj is a self-hosted AI second brain that answers from personal notes and the web, with custom agents and scheduled automations.
Open-source LLM observability, evals, and prompt management
Langfuse is an open-source platform for tracing, evaluating, and improving LLM applications and AI agents, with prompt management and experiments built in.
Schedule and analyse posts across 30+ social networks
Postiz is a self-hostable scheduler for teams that publish to many networks and do not want to pay per seat for the privilege. It covers planning, drafting, approval, and publishing, with AI assistance for turning one post into per-network variants.
Team knowledge base that stays fast as it grows
Outline is a documentation workspace built around search and structure rather than infinite nesting. Collections, a strong editor, and genuinely fast full text search make it usable at the size where most wikis become write-only.
Team messaging for organisations that cannot use hosted chat
Mattermost is channel-based team chat designed for environments where the message history has to stay inside a boundary: defence, healthcare, and regulated finance are its natural constituency.
Commerce building blocks rather than a fixed storefront
Medusa is a set of commerce modules - cart, orders, pricing, inventory, fulfilment - exposed as APIs you compose, rather than a themed storefront you customise around the edges.
A content platform that wraps your existing SQL database
Directus points at a SQL database you already have and generates an admin interface and an API over it, without imposing its own schema. Existing tables keep their names, types, and constraints.
End-to-end encrypted photo storage across devices
Ente stores photos and videos encrypted on the client, so the server holds ciphertext it cannot read. Sync, albums, and sharing all work on top of that constraint rather than around it.
Open-source Laravel ecommerce platform for stores and marketplaces
Bagisto is an open-source Laravel ecommerce platform for building online stores, multi-vendor marketplaces, and B2B portals.
Open-source workspace combining tracker, docs, chat, and CRM.
Huly is an open-source project management platform combining issue tracking, documents, team chat, and CRM in one self-hosted EPL-2.0 workspace.
Self-hosted open-source identity provider for modern SSO
Authentik is a self-hosted, open-source identity provider that adds single sign-on to web apps and services over SAML, OAuth2/OIDC, LDAP, and RADIUS.
Open-source private YouTube front-end with no ads or tracking
Invidious is an open-source alternative front-end to YouTube that plays videos without ads or Google tracking, with subscriptions and playlists but no Google account.
Customer conversations from every channel in one inbox
Chatwoot collects website chat, email, WhatsApp, Instagram, and SMS into a single agent inbox with shared assignment, canned replies, and a help centre.
Lightweight web analytics without cookies or personal data
Plausible answers the handful of questions most sites actually ask - what pages get read, where readers came from, what converted - and deliberately declines to answer the rest. There are no cookies, no cross-site identifiers, and no consent banner needed.
Serverless Postgres with branching, autoscaling, and scale to zero
Neon is a serverless Postgres platform that separates storage and compute, giving autoscaling, instant copy-on-write database branching, and scale to zero over standard Postgres connections.
Open-source AI agents that complete workflows in a real browser
Skyvern is a self-hosted AI platform that completes browser workflows with vision models, with a Playwright-compatible SDK and a managed cloud option.
Open-source RAG assistant that turns docs into chatbots
MaxKB by FIT2CLOUD is an open-source, out-of-the-box RAG assistant that turns documents into a question-answering chatbot with AI workflows and agents. Teams ingest documents and online docs into knowledge bases, connect local or hosted language models, and publish assistants to websites or APIs from a Docker self-hosted deployment.
AI spreadsheet for business on real PostgreSQL
Teable is a self-hosted no-code database on PostgreSQL with spreadsheet views, automations, a REST API, and AI workflows.
Secret management for applications and infrastructure
Infisical stores application secrets, syncs them into the platforms that need them, and rotates the ones that support rotation. Environments and folders keep development and production credentials properly separated.
Self-hosted collaborative bookmark manager with full-page preservation
Linkwarden is a self-hosted, open-source bookmark manager that collects links and preserves a full copy of every page.
Open-source document signing with self-hosting and a signing API
DocuSeal is an open-source electronic signature platform for creating PDF forms, sending signature requests, and collecting binding signatures online.
Self-hosted newsletter and mailing list manager
Listmonk is a single Go binary and a Postgres database that handles subscriber lists, segmentation, campaigns, and bounce processing at a scale that would be expensive on a hosted platform.
Open-source workflow engine and internal-app platform for code-first teams
Windmill is an open-source developer platform for turning scripts into scheduled workflows, webhooks, and internal apps.
Free, open-source forum software with a rich extension ecosystem
Flarum is a free, MIT-licensed forum platform you install on your own PHP server and shape with community-built extensions.
Self-hosted keyword, backlink, and rank tracking
OpenSEO covers keyword research, backlink analysis, competitor monitoring, and rank tracking in one self-hosted application, using DataForSEO as the data source so you pay for the data rather than the seat.
Run your own mail server and email marketing from one dashboard
BillionMail combines a mail server with newsletter and campaign tooling in one self-hosted package. One Docker Compose file brings up the web console plus mail transfer, mailbox, spam-filtering, database, and cache services, so a team can send and receive mail and run bulk campaigns from infrastructure it controls.
Collaborative wiki with real-time editing and diagrams
Docmost is a documentation workspace with real-time collaborative editing, nested spaces, and diagram support built in rather than embedded from elsewhere.
Federated self-hosted video platform for independent ad-free channels
PeerTube is a free, open-source federated video platform for running an independent ad-free video site, with instances interconnecting into one network.
Self-hosted status page system for incident communication
Cachet is a self-hosted status page system for publishing component status, incidents, and scheduled maintenance to customers.
Real-time Node.js forum software for online communities
NodeBB is a self-hosted, GPL-3.0 community forum platform built on Node.js with real-time chat, notifications, and federated sharing.
Open-source identity platform with auth, SSO, and multi-tenancy
Logto is an open-source identity platform for sign-in, single sign-on, and organization management, available self-hosted or as Logto Cloud.
Federated link-aggregation and discussion platform for self-hosted communities
Lemmy is a federated link-aggregation and discussion platform where independent servers interoperate, so a person on one server can subscribe to communities, vote, and comment across any other. It works like a self-governed Reddit: communities host link and text posts with nested comments, votes surface widely endorsed items, and moderators set local rules with site-wide admin controls behind them.
Self-hosted workflow automation that keeps business data on your own servers
Automatisch is a self-hosted business automation tool that connects services such as Slack, GitHub, Gmail, and X into multi-step workflows, built for teams that must keep workflow data on their own servers.
Open-source feature management with flags, rollouts, and experiments
Unleash is an open-source feature management platform for feature flags, gradual rollouts, and A/B testing, available self-hosted with Docker or as Unleash Cloud.
Cookieless open-source web and product analytics with session replay and funnels
Rybbit is a self-hosted web and product analytics platform with a readable dashboard and an 11 KB cookieless tracking script.
Self-hosted Kanban boards for teams with real-time sync
Planka is a self-hosted Kanban board for teams with real-time sync, rich cards, and broad notifications, free as a Community edition alongside paid Pro plans.
Source-available platform for product integrations across 1,600+ APIs
Nango is a source-available integration platform that gives a SaaS product or AI agent production-ready connections to external APIs through one integration: managed OAuth, over 1,600 prebuilt integrations, and unified APIs across 12 categories.
Document signing you can host and audit yourself
Documenso handles electronic signature collection with the signing certificate, audit trail, and field placement you expect, while keeping the documents on infrastructure you control.
Open-source AI email assistant that triages Gmail and Outlook
Inbox Zero is an open-source AI email assistant for Gmail and Outlook that triages mail, drafts replies, and automates follow-ups, available as paid hosted plans or self-hosted.
Open-source tracing, evals, and prompt tools for LLM apps
Arize Phoenix is a self-hosted observability platform for LLM apps with tracing, evaluations, datasets, and a prompt playground.
Surveys and in-product research on your own infrastructure
Formbricks covers both link surveys and in-product micro-surveys triggered by user behaviour, which is the combination most research tooling splits across two paid products.
Self-hosted open-source URL shortener with custom domains and link analytics
Kutt is a self-hosted, MIT-licensed URL shortener with custom-domain support, per-link passwords and expiry, private click statistics, and a REST API.
Self-hosted notes that capture fast and grow with AI
Blinko is a self-hosted note workspace built around fast capture: short entries called Blinks can later grow into full notes, get polished or expanded with a connected AI model, and be published to a personal blog.
Self-hosted CRM where research agents maintain the pipeline
CRM is a self-hosted, open-source CRM where background research agents maintain company, contact, and deal records for sales teams.
Open-source realtime database with sync, auth, and presence
Instant is an open-source realtime database that syncs state across clients with InstaQL queries, auth, presence, and storage.
Self-hosted personal finance app for everyone
Sure is a self-hosted personal finance app for tracking accounts, transactions, investments, and budgets with full control of your data.
Open-source cron job monitoring with dead-man's-switch alerts
Healthchecks is an open-source cron job monitor: each job gets a unique ping URL, and Healthchecks alerts you when a job misses its schedule. Hosted service covers 20 jobs free; the BSD-3-Clause codebase self-hosts on Python, Django, and PostgreSQL or MySQL.
Self-hosted wealth tracker for stocks, ETFs and crypto
Ghostfolio is a self-hosted wealth management app that tracks stocks, ETFs and cryptocurrencies across accounts with performance analytics.
Open-source fullstack monitoring with replay, errors, logs, and traces
Highlight is an open-source fullstack monitoring platform with session replay, error monitoring, logging, and tracing, plus a Docker self-hosting path.
Open-source backend with Postgres, GraphQL, auth, and storage
Nhost is an open-source backend platform on PostgreSQL that generates a GraphQL API from the database schema and bundles authentication, file storage, and serverless functions, offered as a managed cloud or as Docker self-hosting.
Open-source document sharing and data rooms with analytics
Papermark is an open-source platform for sharing documents and data rooms with page-by-page analytics, NDA gating, and dynamic watermarking.
Conversational forms built on a visual flow canvas
Typebot builds forms that behave like a conversation: one question at a time, branching on answers, with the flow assembled visually rather than written in code.
A modern CRM that does not fight the way you work
Twenty rebuilds CRM around the interaction patterns people already know from modern productivity tools: keyboard navigation, inline editing, flexible record views, and a data model you can extend without a consultant.
Open-source AI answer engine with a generative UI
Morphic is an open-source AI search engine that answers questions with complete, cited responses instead of link lists, using Quick and Adaptive search modes in a self-hosted app.
Passkeys, SSO, and MFA without vendor lock-in
Hanko is an authentication service built passkey-first rather than passkey-eventually. Passwords are optional from the start, and the hosted components handle the awkward parts of the WebAuthn ceremony that teams usually get wrong.
Open-source ERP, CRM, HRM, and project platform with time tracking
Ever Gauzy is an open-source business management platform combining ERP, CRM, HRM, project management, and time tracking in one self-hostable TypeScript system.
Postgres-native task queue for durable background workflows
Hatchet is a Postgres-native distributed task queue for background work and durable multi-step workflows, with retries, concurrency controls, and scheduled or event-driven execution through Python, TypeScript, Go, and Ruby SDKs. The MIT-licensed engine self-hosts with Docker or Lite mode, and Hatchet Cloud adds managed hosting on usage-based pricing.
Decentralized photo-sharing network that federates over ActivityPub
Pixelfed is a self-hosted photo-sharing network that federates with Mastodon and other ActivityPub software, with chronological feeds and no ads.
Open-source usage-based billing with metering, credits, and invoicing
Flexprice is an open-source billing platform for usage-based, credit-based, and hybrid pricing, with real-time metering and automated invoicing.
No-code database and application builder you can host
Baserow is a spreadsheet-shaped database with the API and permission model of a real backend underneath. Non-technical colleagues get grid, gallery, kanban, and calendar views; engineers get a REST API and webhooks over the same data.
Open-source kanban boards with a fast Trello import
Kan is an open-source kanban board for tracking tasks and projects, positioned as a Trello alternative with a one-click importer.
Open-source ecommerce framework for Rails brands
Solidus is a free, open-source ecommerce platform built as a Ruby on Rails engine, giving brands a full store backend they can customize end to end.
Self-hosted URL shortener with custom domains and visit analytics
Shlink is a self-hosted, MIT-licensed URL shortener that serves short links under your own domains with visit stats, a REST API, and a web client.
Group meeting polls that find a time everyone can make
Rallly is a group scheduling tool: propose a few times, share a link, and let participants vote so the best time to meet stands out.
Terraform plan and apply automation that runs inside your CI
Digger is a self-hosted IaC orchestrator that runs Terraform and OpenTofu plan and apply workflows in pull requests using existing CI compute.
Open-source platform connecting AI agents to 600+ tools via MCP
ACI.dev is an open-source tool-calling platform that connects AI agents to 600+ applications through direct function calls or a unified MCP server.
Self-hosted git-push deploy platform with zero-downtime releases
/dev/push is a self-hosted deployment platform that ships apps straight from GitHub on every push, with zero-downtime releases and live logs.
Open-source feedback boards for feature requests and voting
Fider is an open-source feedback portal where users submit feature requests, discuss them, and vote on what matters most.
AI-native observability from the Pydantic team, joining LLM calls with telemetry
Logfire is Pydantic's AI-native observability platform for debugging AI applications in production, built on OpenTelemetry so one timeline covers agent model calls, tools, services, databases, and hosts.
Open-source legal AI platform for document review, drafting, and research
Mike (MikeOSS) is an open-source legal AI platform for document review, drafting, and legal research.
Open-source APM with traces, metrics, and logs in one UI
Uptrace is a self-hosted APM that collects OpenTelemetry traces, metrics, and logs into one UI with dashboards, alerting, and PromQL-style queries.
Open-source PHP CMS for complex, content-rich websites
Drupal is a self-hosted open-source content management system for complex websites, with structured content and API-first delivery.
Localisation platform with in-context translation editing
Tolgee's distinguishing feature is that translators work in the running application. Alt-click a string in the app and the editor opens over it, with surrounding context visible, which removes most of the ambiguity that produces bad translations from a spreadsheet.
Open-source event management and ticket selling for concerts and conferences
Hi.Events is an open-source event management and ticket-selling platform for concerts and conferences, free for unlimited free events.
Open-source security automation platform for teams and AI agents
Tracecat is an open-source security automation platform for teams and AI agents that combines agents, case management, and workflows in one self-hostable system.
Persistent AI bots that sign into your tools and finish the work
Rakazo is an Apache-2.0 self-hosted platform for persistent AI bots that sign into your tools, work in sandboxed browsers, and pause for approval.
Embeddable TypeScript backend with data, auth, and media
bknd is a backend toolkit that runs inside a JavaScript application instead of beside it. Developers define data entities, authentication, media storage, and scheduled workflows in code, and bknd serves them through generated REST endpoints plus a built-in admin dashboard.
Self-hosted tracker for your media, fitness, and habits.
Ryot is a self-hosted tracker for movies, shows, books, music, games, workouts, and measurements, with imports, media-server integrations, and statistics.
Self-hosted CMS for custom sites, with Twig and GraphQL
Craft CMS is a self-hosted PHP content management system for custom websites, pairing Twig templates with a generated GraphQL API for headless delivery.
Source-available live chat, support inbox, and marketing messaging
Chaskiq is a self-hostable customer messaging platform combining live chat, a shared team inbox, a help center, and marketing campaigns.
Self-hosted open-source CRM for sales, marketing, and support
EspoCRM is a self-hosted, open-source CRM that tracks leads, contacts, deals, support cases, and marketing campaigns in one web app.
Open-source tracing, evals, and observability for AI agents
Laminar is an open-source observability platform purpose-built for AI agents, with OpenTelemetry-native tracing, evaluations, and behavior monitoring built in.
Open-source project management with tasks, time tracking, and resourcing
Worklenz is an open-source project-management platform for task management, time tracking, resource allocation, and reporting.
Open-source asset tracking with QR codes, bookings, and custody
Shelf is an open-source asset management platform for tracking equipment with QR codes, bookings, custody assignment, and audits.
Free open source expense splitting for friends and family
Spliit is a free, open source expense-sharing app for friends and family, with group balances, flexible splits, and receipt scanning, and no account required.
Self-hostable customer engagement for automated lifecycle messaging
Dittofeed is a self-hostable customer engagement platform that automates marketing and transactional messages across email, SMS, webhooks, and mobile push.
Self-hosted WireGuard VPN with per-connection MFA and built-in SSO
Defguard is a self-hosted access platform that combines WireGuard VPN, identity management, and per-connection multi-factor authentication.
Federated book tracking and social reading without the ad platform
BookWyrm is a federated social reading platform: readers track what they are reading, write reviews, and follow friends across independently run instances.
Open-source billing layer that sits on top of Stripe
Autumn is a billing layer that sits between a product and Stripe. Plans, prices, entitlements, and usage metering are defined in Autumn, while payment processing and subscription records stay inside Stripe, so teams keep their existing Stripe setup instead of migrating off it.
Privacy-focused proof-of-work CAPTCHA with no tracking or puzzles
mCaptcha is a free, self-hosted CAPTCHA that protects websites and forms with proof-of-work challenges instead of image puzzles or visitor tracking.
Open-source LMS for creating and running online courses.
LearnHouse is an open-source learning management system for creating and running online courses with chapters, activities, quizzes, and certificates.
Open-source user onboarding platform for product tours, checklists, and surveys
Usertour is a self-hostable user onboarding platform for building in-app product tours, checklists, and surveys, positioned as an open-source alternative to Userflow and Appcues.
Visual database explorer that turns schemas into searchable ER diagrams
Azimutt is a database exploration tool that renders a live schema as an entity-relationship diagram and lets developers search tables, trace relations, and document what they find.
Self-hosted email marketing with campaigns and lists
SendPortal is a self-hosted email marketing app for subscriber lists, campaigns, and delivery reports. It connects to providers such as Amazon SES and SendGrid, and runs standalone or as a Laravel package.
Error tracking that speaks the Sentry protocol
GlitchTip accepts events from the official Sentry SDKs, which means adopting it is a DSN change rather than an instrumentation project. Stack traces, breadcrumbs, releases, and issue grouping all work as expected.
Self-hosted error tracking that works with Sentry SDKs
Bugsink is a self-hosted error tracker that collects exceptions from running apps and shows them in one place with stack traces and context.
Open source auth with SSO, passkeys, and user management
Authgear is an open source identity platform with login flows, single sign-on, multi-factor authentication, and user management for web and mobile apps.
Localization infrastructure made for fast-paced startups
Languine is an open-source AI localization layer: a CLI and CI pipeline that translates app strings with brand-voice context and returns them as reviewable pull requests.
Self-hosted platform for versioned container releases
Dyrector is a self-hosted continuous delivery platform that ships versioned container releases to Docker and Kubernetes nodes from one dashboard.
Turn source code into polished, shareable images
Chalk.ist is a free browser editor that turns pasted source code into styled, shareable images for social posts, docs, and slides.
Privacy-first open-source analytics for mobile and desktop apps
Aptabase is an open-source analytics platform for mobile, desktop, and web apps that replaces Firebase or Google Analytics with fully anonymous event tracking.
Self-hosted CRM your AI agents can work in
Relaticle is a self-hosted, open-source CRM that tracks companies, people, deals, tasks, and notes, and lets AI assistants act on that data.
Open-source learning platform for employee and customer training
ClassroomIO is an open-source learning platform for building courses, running cohorts, and tracking learner progress for employees, customers, and partners.
Self-hosted security framework for in-app fraud and threat detection
tirreno is a self-hosted, open-source security framework detecting account takeovers, fraud, and business-logic abuse inside your product.
End-to-end encrypted storage you can self-host or buy managed
Hoodik is an end-to-end encrypted storage drive with file sync, sharing, and collaboration, available as a self-hosted server or a managed cloud from 9 EUR per month.
Self-hosted open source expense splitting for friends and groups
SplitPro is a self-hosted, open source way to share expenses with friends and groups, with flexible splits and no daily limits.
Free open-source HRMS with payroll, attendance, and recruitment
Horilla is a free, open-source HRMS for attendance, payroll, leave, recruitment, and performance, self-hosted free or in the cloud.
Self-hostable open source GRC platform with managed compliance officers
Probo is self-hostable open source GRC software that automates evidence collection and audit preparation for SOC 2, ISO 27001, GDPR, and HIPAA.
Open-source usage-based billing with metering, plans, and invoicing
Meteroid is an open-source pricing and billing platform for SaaS, infrastructure, and AI companies, combining usage metering, plan management, subscriptions, and invoicing behind one API.
Self-hosted CRM toolkit developers can reshape in code
Atomic CRM is an open-source, self-hosted CRM built with React and Supabase that developers can reshape in code to fit their process.
Terraform and OpenTofu plan and apply automation in pull requests
Terrateam is an open-source GitOps orchestrator for Terraform workflows, now operating as Stategraph under the MPL-2.0 license.
Self-hosted uptime monitoring with status pages and multi-channel alerts
Peekaping is a self-hosted, open-source uptime monitor built with Go and React that watches websites, APIs, databases, containers, and message brokers, then alerts through 15+ channels. It pairs live dashboards and brandable status pages with maintenance windows and Docker deployment on SQLite, PostgreSQL, or MongoDB. The MIT-licensed project is in beta and actively developed.
Cookieless product analytics with funnels, errors and uptime
Databuddy is an open-source product analytics platform for startups that tracks visitors, custom events, funnels, and goals with one cookieless script.
Open-source AI agents and workflow automation you can self-host
ByteChef is an open-source platform for building workflow automations and multi-step AI agents across the apps and databases a team already uses.
Self-hosted email analytics for Amazon SES
Sessy is a self-hosted analytics dashboard for Amazon SES that ingests delivery events and shows per-message status, bounces, and complaints.
Self-hosted email API for transactional and marketing mail
Hyvor Relay is a self-hosted, AGPL-3.0 email API that sends transactional and marketing mail through your own domains and dedicated IPs.
Open-source link-in-bio builder with live content blocks
Linky is an MIT-licensed open-source link-in-bio builder at lin.ky, backed by the trylinky/linky repository. Its drag-and-drop blocks include live Spotify, Instagram, TikTok, Threads, and GitHub content, starting free with $4 per month Premium and $14 per month Team upgrades.
Open-source AI agent that edits your live site from the browser
Frontman is a self-hosted AI coding agent that edits existing Next.js, Astro, Vite, and WordPress sites from the browser.
Agentic social media scheduling with AI for creators and teams
TryPost is a self-hosted social media scheduler with an AI copilot, team workspaces with approvals, and publishing to all major networks.
Open-source budgeting app that forecasts recurring bills and balances
Monetr is an open-source budgeting application focused on forecasting recurring expenses and upcoming balances. It links bank accounts through Plaid, tracks recurring bills and savings goals, and ships in English, Russian, and Ukrainian. Households can run it themselves with Docker Compose or use the vendor-hosted login; the code is published under the source-available FSL-1.1-MIT license.
Open-source TypeScript runtime for autonomous AI agents with memory
AgentOS is a TypeScript runtime for building autonomous AI agents with persistent memory, multi-agent orchestration, and runtime tool generation.
Open source visual testing that catches UI regressions in CI
Argos is an open source visual testing platform that compares screenshots from CI against baselines and surfaces UI changes for review on pull requests.
Open-source programmable ledger for tracking money movement
Formance is an open-source programmable ledger for tracking money movement, built on double-entry accounting and the Numscript transaction language.
Open-source Web3 writing platform for stories and newsletters
Sigle is an open-source Web3 writing platform for stories and newsletters, with decentralized storage and SEO-ready custom blogs.
Open-source community platform with planets, chat, voice, and wikis
Valour is an open-source community platform where communities called planets get chat channels, thread feeds, wikis, voice and video calls, and roles.
Privacy-first web and product analytics with user journeys
Vemetric is a privacy-first web and product analytics platform that shows how visitors arrive, convert, and use a product, hosted in the EU with no cookies by default.
Simple API-first headless CMS for blogs
Marble CMS is an open-source, API-first headless CMS for blogs, pairing a Markdown editor and media library with a REST API and Next.js and Astro integrations.
Open-source AI governance platform for audits and regulatory compliance
VerifyWise is a source-available AI governance platform that automates risk management, evidence collection, and audit readiness for the EU AI Act, ISO/IEC 42001, ISO 27001, and NIST AI RMF.
Open-source work management that connects delivery, product, and business teams
Windshift is an open-source work-management platform for software teams that pairs issue tracking with Scrum and Kanban planning. Teams run it on their own infrastructure under a free self-hosted core and add paid Pro capabilities for analytics, integrations, and enterprise controls.
Self-hostable bookmark manager with a timeline feed and import tools.
Bookmark It is a self-hostable bookmark manager that keeps saved links in a filterable timeline. It imports existing bookmarks from browsers and services such as Pocket and Raindrop, adds new links through a browser extension, and runs as a hosted service with a free tier plus a paid Pro plan.
Continuous compliance automation across many frameworks
Openlane automates the evidence collection and control tracking behind SOC 2, ISO 27001, GDPR, and a dozen other frameworks, mapping shared controls once rather than per framework.
Open-source changelog pages with widget, RSS, and CLI publishing
Changes.Page is an open-source changelog platform for publishing release notes to a hosted page, an embeddable widget, and RSS.
Self-hostable platform for deploying and scaling web apps
Stormkit is a self-hostable application platform that deploys web apps from Git with previews, domains, a database, auth, and analytics.
CLI-first bank account for AI agents with human-approved transfers
0 Finance is a CLI-first financial workflow project for agent-driven invoicing, transfer proposals, and human approvals. Its current site says the product is being deprecated and new signups are disabled. Agents and scripts use the zero command line tool to check balances, create and send invoices, propose ACH or IBAN transfers, and view savings positions. Read operations run immediately, while transfers and withdrawals become proposals that a person reviews in the companion web dashboard. The same primitives are reachable through an HTTP API and an MCP server for assistants. Accounts hold funds as USDC in self-custody wallets, with idle balances allocated to lending protocols for variable yield and smart-contract failures insured up to a stated limit. The hosted dashboard serves existing customers, and the MIT-licensed codebase can be forked and run independently with Docker. The vendor states the product is being deprecated and has disabled new signups. No public pricing is documented. A full independent deployment also needs credentials for third-party auth and payment providers, so self-hosting is nontrivial.
Free open-source dashboard that turns editor heartbeats into coding stats.
Hackatime is a free open-source coding time tracker by Hack Club that turns editor activity into dashboards and leaderboards.
Privacy-first proof-of-work CAPTCHA with invisible checks
Private Captcha is a privacy-first proof-of-work CAPTCHA that blocks bots with invisible cryptographic checks instead of puzzles, tracking, or cookies.
Blog without the slog
Pagecord is a personal blogging platform that publishes posts by email, from Obsidian or iA Writer, or in a built-in editor, with newsletters and analytics included.
Privacy-first web analytics with funnels, journeys, and no cookies
Betterlytics is a privacy-first web analytics platform with funnels, user journeys, session replay, and error tracking in one dashboard. Sites add one lightweight script, and EU-based data handling means no cookie banner is needed for the analytics itself.
Open-source URL shortener with click, lead, and revenue analytics
Slugy is an MIT-licensed open-source URL shortener that creates branded short links with custom domains, QR codes, and click, lead, and revenue analytics.
Self-hosted multi-region uptime monitoring with status pages
EasyMonitor is a self-hosted uptime monitoring tool with multi-region checks, incident tracking, and public status pages for websites and APIs.
Open-source project management with tasks, docs, and time tracking
Manage is a free, open-source project management platform where small teams track tasks, keep docs, and log time in one self-hosted workspace.
Visual no-code platform for building automations, integrations, and backends.
CodeZero is a visual platform for building automations, integrations, and backend logic as node-graph flows.
Self-hosted visual bug reporting with annotated screenshots and video
BugPin is a self-hosted bug reporting tool: visitors pin feedback directly on a website, and each report arrives with screenshots, recordings, and browser diagnostics.
Self-hosted alert intelligence with AI root-cause analysis for on-call teams
Wachd is a self-hosted alert intelligence platform that takes webhooks from Grafana, Datadog, and Prometheus, gathers context, strips PII, correlates events into a causal timeline, and sends a plain-English diagnosis to the on-call engineer.
Self-hosted Google Keep alternative for notes, lists, and reminders
itsnotes is a free, MIT-licensed, self-hosted notes app that mirrors Google Keep with notes, checklists, labels, and reminders.
Open-source newsletter platform for blogs and campaigns
Hyvor Post is an open-source newsletter platform for publishing blogs and sending campaigns, with automations and a managed cloud.
Open-source subscription tracker that finds recurring charges in your inbox
Suprascribe is an open-source subscription tracker that scans your inbox to find recurring charges, then helps you audit, manage, and cancel them.