Tech stack
53 projects use JavaScript.
Text-defined diagrams: flowcharts, sequences, and Gantt in Markdown
Mermaid is a JavaScript tool that renders Markdown-inspired text into flowcharts, sequence diagrams, and Gantt charts, rendered natively in Markdown hosts such as GitHub.
Self-hosted uptime monitoring with a clean status page
Uptime Kuma monitors HTTP endpoints, TCP ports, containers, and certificates, and notifies through almost a hundred channels. Setup is a container and a few minutes.
Self-hosted AI workspace for chatting with documents and running agents
AnythingLLM is a self-hostable AI workspace for chatting with documents, running AI agents, and switching between local and hosted language models.
No-code spreadsheet interface over your own database
NocoDB is a no-code database platform with a spreadsheet interface that connects to the operator's own Postgres or MySQL database or runs on its hosted database at million-row scale.
Free offline Markdown notes with private sync
Joplin is a free, open-source note-taking and to-do app that keeps Markdown notes in notebooks with tags, works fully offline, and synchronises through user-chosen targets with end-to-end encryption.
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.
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.
Open-source API client that stores collections as plain-text files
Bruno is an open-source desktop API client that stores collections as plain-text Bru files on your filesystem, so teams can version them in Git.
Browser-based personal cloud computer with apps and storage
Puter is a browser-based personal cloud computer with a virtual desktop, built-in apps, file storage, and a developer backend.
Open-source low-code platform for internal tools and dashboards
ToolJet is an open-source low-code platform for building internal tools, admin panels, and dashboards on databases and APIs, self-hosted or on ToolJet Cloud.
Open-source low-code platform for internal tools and dashboards
Appsmith is an open-source low-code platform for building internal tools, admin panels, and dashboards on databases and APIs.
Free database diagram editor that turns ER designs into SQL
drawDB is a free, open source database diagram editor that turns entity-relationship designs into SQL for MySQL, PostgreSQL, SQLite, and more.
Free open-source ERP for accounting, inventory, and sales
ERPNext is a free, open-source ERP system covering accounting, inventory, sales, purchasing, manufacturing, projects, and HR in one web application.
File sync, sharing, and a suite of apps on your own server
Nextcloud started as file sync and grew into a full collaboration suite: documents, calendar, contacts, chat, and an application ecosystem on top of the same account system.
Open-source SQL dashboards and data visualization for teams
Redash is an open-source data visualization platform for writing SQL queries, building interactive dashboards, and sharing them with a team.
Open-source no-code engine for 2D, 3D, and multiplayer games
GDevelop is an open-source, no-code game engine that builds 2D, 3D, and multiplayer games with visual events instead of programming.
Video meetings with no account and no install
Jitsi Meet gets to a working video call faster than anything else: open a URL, share it, done. No accounts, no downloads, no meeting identifiers to read out.
Open-source AI and no-code platform for business systems
NocoBase is an open-source AI and no-code platform for building business systems such as CRM, project tracking, ticketing, and HR tools.
No-code browser extension that automates repetitive web tasks
Automa is a no-code browser extension that automates repetitive web work by connecting visual blocks into workflows that run on demand or on a schedule.
Open-source kanban boards you run on your own server
Wekan is a MIT-licensed open-source kanban board for teams, self-hosted on your own computer or server with Trello board import and a REST API.
Open-source semantic layer for AI, BI, and embedded analytics
Cube Core is a self-hosted semantic layer that defines metrics and access rules once, then serves BI tools, apps, and AI agents over SQL, REST, and GraphQL.
Open-source menu-bar screen recorder for macOS
Kap is an open-source menu-bar screen recorder for macOS that captures a selected area with camera, mic, and system audio.
Free open-source screen recorder for Chrome with annotation
Screenity is a free, open-source screen recorder for Chrome that captures tab, desktop, or camera with annotation tools and stores recordings locally with no time limits.
Self-hosted web file manager for FTP, S3, Dropbox, and Google Drive
Filestash is a self-hosted web file manager that brings a sharing interface to FTP, S3, Dropbox, and Google Drive storage.
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.
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.
Share files between devices in your browser.
PairDrop is a free, open-source web app that sends files and text directly between devices over the local network, with no account or setup needed.
Embeddable full-text, vector, and hybrid search for JavaScript apps
Orama is an Apache-2.0 search engine that runs in the browser, server, or edge network with full-text, vector, and hybrid search plus a RAG answer engine.
Security-first diagramming online, on desktop, or self-hosted
draw.io is a free diagram editor for flowcharts, network diagrams, and whiteboards that runs in the browser, on the desktop, or self-hosted.
Self-hosted invoicing with estimates, expenses, payments, and APIs
Crater is a self-hosted invoicing app for freelancers and small businesses with estimates, invoices, payments, and expense tracking.
Encrypted collaboration suite for docs, sheets, and files
CryptPad is an encrypted collaboration suite with documents, spreadsheets, presentations, and file storage in one browser workspace.
Self-hosted CAPTCHA that verifies visitors without puzzles
Cap is a self-hosted CAPTCHA that checks visitors with background proof-of-work and browser challenges instead of image puzzles.
Open source visual regression testing for responsive web UI
BackstopJS is an open source visual regression tester that captures page screenshots across viewports and diffs them against approved baselines.
End-to-end encrypted notes on every device
Standard Notes is a free, open-source note-taking app that protects notes and files with audited end-to-end encryption and syncs them across unlimited devices.
A security-hardened self-hosted cloud for home and small business
Cosmos Server manages a personal cloud on hardware you own.
Open-source helpdesk and customer support platform
Zammad is an open-source helpdesk and customer support platform that unifies email, chat, phone, and social channels, with self-hosted or managed cloud operation under an AGPL-3.0 license.
Open-source time tracking with timesheets, reports, and invoices
Kimai is a free open-source time tracker for freelancers, agencies, and companies that combines timers, calendar timesheets, and invoice generation in one web application.
Self-hosted appointment scheduler for services and providers
Easy!Appointments is a self-hosted web app for booking service appointments with providers, working plans, and Google Calendar sync.
Open-source logistics OS for dispatch, tracking, and delivery ops
FleetBase is a self-hostable logistics platform that combines dispatch, live fleet tracking, and driver and ordering apps in one system.
Open-source surveys with 30-plus question types you can self-host
LimeSurvey is an open-source survey platform with 30-plus question types and 80-plus languages, as a free self-hosted edition or a paid EU-hosted cloud.
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 helpdesk with ticketing, SLAs, and unlimited agents
Frappe Helpdesk is an open-source ticketing system that pulls email, form, and portal requests into one shared queue with SLA tracking and assignment rules.
Self-hostable online office suite built on LibreOffice technology.
Collabora Online is a self-hostable browser-based office suite for documents, spreadsheets, and presentations.
Open-source, lightweight self-hosted Linktree alternative in one static page
LittleLink is a lightweight, open-source, self-hosted Linktree alternative: a single static profile page that gathers a person or group links behind one URL.
Proof-of-work CAPTCHA alternative with no cookies or tracking
ALTCHA is a self-hosted CAPTCHA alternative that blocks bots and form spam with a silent proof-of-work challenge instead of image puzzles.
Self-hosted open-source web analytics with full data ownership
OpenWebAnalytics is a GPL-licensed web analytics framework that site owners host on their own PHP and MySQL servers to track visitors with full data ownership.
Offline, Git-native API workspace in plain Markdown
Voiden is an offline, Git-native API workspace that keeps requests, tests, notes, and documentation together in plain-text .void files.
Open-source CMS with a drag-and-drop website builder
Vvveb CMS is a free open-source content management system for building and running websites, pairing a drag-and-drop page builder with ecommerce, blogging, and multi-site management.
Open-source file storage for teams, in the cloud or on your own servers
Twake Drive is an open-source file storage app by Linagora for teams, usable in the cloud or on your own servers, with link sharing and office editing.
Privacy-focused CAPTCHA that replaces reCAPTCHA and hCaptcha
Procaptcha is a privacy-focused CAPTCHA that drops into any form as a reCAPTCHA or hCaptcha replacement, passing real humans invisibly and challenging suspected bots.
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.
Self-hosted open source chat server for mobile and web apps
SAMA is a self-hosted chat server that adds real-time messaging with group chats and push notifications to mobile and web apps over a WebSocket and HTTP API.
Free open-source accounting software for small business servers
Frappe Books is free, open-source accounting software that small businesses and freelancers install on their own server and use in a web browser.