Tech stack
113 projects use Go.
AI coding agent for terminal, editor, and desktop
OpenCode is an MIT-licensed AI coding agent available through terminal, desktop, and IDE clients. It supports hosted providers and local models. Code handling depends on the selected provider; optional session sharing uploads conversation history to OpenCode's sharing service.
Run open language models locally with one command
Ollama reduced local model hosting from an afternoon of CUDA troubleshooting to a single pull command. It handles model download, quantisation selection, GPU offloading, and memory management, and exposes an OpenAI-compatible endpoint on localhost.
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.
Real-time infrastructure monitoring with per-second metrics and alerts
Netdata is a self-hosted monitoring agent that collects per-second metrics from systems, containers, and applications, with built-in dashboards, alerts, and anomaly detection.
Continuous file sync between your own devices only
Syncthing synchronises folders directly between devices with no server in the middle. There is no account, no storage quota, and no third party holding the data, because the data never leaves the set of machines you nominate.
Dashboards over whatever data you already store
Grafana is the visualisation layer that sits above other systems rather than a monitoring stack of its own. It queries Prometheus, Loki, PostgreSQL, ClickHouse, and dozens of other sources, and puts them on the same dashboard.
Open-source metrics monitoring with PromQL queries and alerting
Prometheus is an open-source monitoring system that scrapes metrics into a dimensional time-series database and evaluates PromQL rules for alerting.
Open source backend in one file with realtime database and auth
PocketBase is an open source backend with an embedded SQLite database, realtime subscriptions, auth, file storage, and an admin dashboard in one executable.
Self-hosted Git service with code review, CI, and package registries
Gitea is a self-hosted Git service with code hosting, review, issues, pull requests, Actions-compatible CI, and package registries in one lightweight binary.
Self-hosted OpenAI-compatible runtime for local AI models
LocalAI is a self-hosted runtime that runs AI models locally behind OpenAI-compatible endpoints.
Painless self-hosted Git service with a tiny resource footprint
Gogs is a self-hosted Git service written in Go that ships as a single binary with repository hosting, issues, pull requests, and a wiki.
Local-first block notes with backlinks, sync, and flashcards
SiYuan is a local-first, privacy-first note-taking app that organizes Markdown notes as linked content blocks with backlinks, databases, and end-to-end encrypted sync.
Open-source vector database for GenAI search at billion scale
Milvus is an Apache-2.0 open-source vector database that stores and indexes embedding vectors for millisecond similarity search over very large collections.
Self-hosted control server for Tailscale mesh networks
Headscale is a self-hosted control server for Tailscale clients that builds a private mesh network over WireGuard.
WireGuard mesh VPN that connects devices into a private tailnet
Tailscale is a WireGuard-based mesh VPN that joins laptops, servers, and cloud VMs into one private tailnet with ACLs and MagicDNS.
Self-hosted personal cloud OS for home servers and Docker apps
CasaOS is a self-hosted personal cloud system that turns a home server into a Docker app platform with a browser-based dashboard.
Open-source Linux server panel for sites, containers, databases, and AI workloads
1Panel is a self-hosted Linux server panel that manages websites, databases, containers, and files through a web interface.
Secrets management and access control for dynamic infrastructure
HashiCorp Vault is a secrets manager that issues short-lived credentials, encrypts application data, and brokers privileged access from one control plane.
Cross-platform, fast, feature-rich, GPU-based terminal emulator
Kitty is a free, open source, GPU-based terminal emulator for Linux and macOS that combines fast rendering with tabs, windows, and multiple layouts in a single app.
Self-hosted push notifications over simple HTTP PUT/POST
ntfy is a self-hosted push-notification service that sends alerts to phones and desktops with a simple HTTP PUT or POST to a topic, plus open-source Android, iOS, web, and CLI apps.
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.
Self-hosted PaaS that deploys apps with a git push
Dokku is a self-hosted platform-as-a-service that turns your own Linux server into a Heroku-style deployment target driven by git push.
Open-source vulnerability scanner with template-powered detection
ProjectDiscovery is an open-source vulnerability scanner built on the Nuclei YAML template engine that finds exploitable issues across apps, APIs, networks, DNS, and cloud.
Open time-series database for metrics, events, and IoT telemetry
InfluxDB is an open time-series database for metrics, events, and IoT telemetry, queried with SQL and InfluxQL and run self-managed or as a managed cloud.
Open-source zero-trust access over peer-to-peer WireGuard tunnels
NetBird is an open-source zero-trust access platform that links devices, users, and servers in a peer-to-peer WireGuard mesh.
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 platform for running and managing Kubernetes everywhere
Rancher is an open-source container management platform for running Kubernetes in production on infrastructure teams control.
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.
Infrastructure as code in TypeScript, Python, Go, and .NET
Pulumi is an open source infrastructure-as-code platform for defining and managing cloud infrastructure with general-purpose programming languages.
Project boards that work offline and stay local
Focalboard is a board and table tool that runs as a desktop application against local files, or as a server for a team. It covers the kanban, table, and calendar views most planning needs without a subscription or an account.
Your personal music streaming service
Navidrome is a self-hosted music server that streams a personal collection to phones and browsers through Subsonic-compatible apps.
Open-source durable execution platform for reliable workflows
Temporal is an open-source durable execution platform that runs code to completion through failures, self-hosted with Docker or Kubernetes or on managed Temporal Cloud.
An open-source, AI-integrated, cross-platform terminal for seamless workflows
WaveTerm is an open-source, AI-integrated terminal for macOS, Windows, and Linux that organizes the command line into persistent workspaces with sessions, panes, and blocks.
Open-source WebRTC stack for voice, video, and AI agents
LiveKit is an Apache-2.0 WebRTC platform with SDKs, SIP telephony, and a managed cloud for building real-time voice, video, and AI agent experiences.
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.
Decentralized microblogging network built on the open AT Protocol
Bluesky is a decentralized microblogging social network where posts, follows, and likes live in portable repositories under user-owned identities.
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.
SQLite-compatible edge database platform built on libSQL
Turso is a SQLite-compatible database platform built on libSQL that replicates data to the edge for fast local reads, with embedded replicas, branching, and managed cloud hosting.
Self-hosted cloud development environments and governed AI coding agents
Coder is a self-hosted platform for running cloud development environments and AI coding agents on infrastructure you control.
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.
Open-source Q&A software for community forums and help centers
Apache Answer is a self-hosted, open-source Q&A platform for running community forums, help centers, and team knowledge bases.
Open-source identity infrastructure with login and single sign-on
Zitadel is open-source identity infrastructure that adds login, single sign-on, and multi-factor authentication to applications, with multi-tenant organization management, available self-hosted or as a managed cloud.
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.
Database governance for schema changes, access control, and audit
Bytebase is a database governance platform for reviewing, approving, and shipping schema changes with access control and audit built in.
Open-source identity platform for login, SSO, and permissions
Ory is an open-source identity platform built around the Kratos server, offering passkeys, social sign-in, and single sign-on self-hosted or as the managed Ory Network.
Open-source backend framework that provisions its own cloud infrastructure
Encore is an open-source framework for type-safe backends in Go and TypeScript, provisioning infrastructure from application code.
Self-hosted endpoint monitoring with status pages
Gatus is a self-hosted monitor that probes HTTP endpoints, DNS records, and other services on a schedule and publishes the results on a status page.
Open-source API and AI gateway with dashboard and cloud
Tyk is an open-source API and AI gateway enforcing authentication, rate limits and analytics across REST, GraphQL, gRPC and MCP services. Teams self-host it with Docker or Kubernetes, or use the managed Tyk Cloud.
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.
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.
Local-first notes, wikis, and tasks with end-to-end encryption
Anytype is a local-first workspace for notes, wikis, tasks, and databases that keeps encrypted data on-device and can import workspaces from Notion.
Self-hosted LLM gateway with one OpenAI-compatible API
Bifrost is a self-hosted gateway that puts every large language model call behind one OpenAI-compatible API. An application points its existing OpenAI client at the gateway, and Bifrost routes the request to whichever provider is configured, so switching models or spreading load across providers is a configuration change rather than a rewrite.
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.
Self-hosted, open-source website analytics with a simple dashboard
Fathom Lite is a self-hosted, open-source website analytics tool with a simple dashboard covering pageviews and referrers.
Self-hosted open-source CI/CD with container-based pipelines
Woodpecker CI is a self-hosted, open-source CI/CD engine that runs YAML pipelines from the repository in containers on Docker, Kubernetes, or local backends.
Zero-instrumentation observability with eBPF and AI root-cause analysis
Coroot watches a whole system without asking developers to change their code.
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.
Open-source ELT platform that syncs cloud infrastructure into SQL databases
CloudQuery is an open-source ELT platform that syncs cloud infrastructure and SaaS data into PostgreSQL, BigQuery, and other SQL destinations.
Self-hosted monitoring for networks, servers, and cloud
Zabbix is a self-hosted monitoring platform that tracks networks, servers, virtual machines, and cloud services from one distributed setup, with agents and agentless checks feeding dashboards, alerting, and escalation under a free AGPL license.
A security-hardened self-hosted cloud for home and small business
Cosmos Server manages a personal cloud on hardware you own.
Self-hosted file sharing and collaboration on a Go microservice backend
OpenCloud is a self-hosted file-sharing and collaboration platform with a Go microservice backend, desktop and mobile apps, and EU-based hosting options.
Open-source authorization service for fine-grained RBAC, ABAC, and ReBAC
Permify is an open-source authorization service for fine-grained access control. Teams model RBAC, ABAC, and ReBAC policies centrally and enforce them through a Zanzibar-inspired decision service.
Durable step functions for event-driven apps and AI agents
Inngest is a durable execution platform for event-driven apps: SDK step functions with checkpoints, retries, and waits run on serverless or your own servers.
Self-hosted personal finance and bookkeeping app
ezBookkeeping is a self-hosted personal finance app for recording daily transactions, importing account data, and analyzing spending with built-in charts.
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 agent observability, evals, and AI governance
LangWatch is an open-source observability and evaluation platform for AI platform teams, covering LLM operations, coding-assistant usage, AI gateway routing, and AI governance in one place.
Git-native feature flag platform with UI, SDKs, and pull-request workflows
Flipt is a self-hosted feature flag platform that stores flag state in Git and manages it through a web UI with REST and gRPC APIs.
Make-like build tool that runs Go functions as targets
Mage is a make-like build tool written in Go: engineers write plain Go functions and Mage runs them as Makefile-style targets, with no Makefile syntax and no dependency outside the Go standard library.
Self-hosted authorization layer with versioned YAML policies and audit logs
Cerbos is a self-hosted authorization layer that answers allow-or-deny checks from a central policy decision point for apps and services.
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.
Self-hosted, open-source backend that turns WakaTime heartbeats into coding statistics.
Wakapi is a free, open-source, self-hosted service that turns WakaTime editor heartbeats into coding statistics and dashboards.
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.
Free open-source system-wide ad and tracker blocker for desktop
Zen is a free, open-source desktop application that blocks ads and trackers across the whole operating system instead of inside a single browser.
Decentralized S3-compatible cloud object storage network
Storj is a distributed, S3-compatible cloud object storage platform that encrypts, fragments, and stores data across a global node network.
Stateless open-source API gateway for aggregation and traffic control
KrakenD is a stateless, open-source API gateway written in Go that merges multiple backend calls into single endpoints with authentication, rate limiting, and observability.
Self-hosted tasks and chores with fair rotation and smart scheduling
Donetick is a self-hosted app for managing household tasks and chores with recurring schedules, assignee rotation, and shared circles.
Open-source usage metering and billing for AI and API products
OpenMeter is an open-source usage-metering and billing platform for AI and API products, turning CloudEvents usage data into entitlements, Stripe invoices, and credit grants.
Open-source orchestration for AI workloads across any GPU cloud
dstack is an open-source orchestrator for AI training and inference on GPUs across clouds. Teams declare resources in YAML, and dstack provisions matching capacity.
Open-source cloud platform turning bare metal into VMs and K8s.
Cozystack turns bare-metal servers into a private cloud with virtual machines and managed Kubernetes.
Self-hosted newsletters and transactional email
Notifuse is a self-hosted newsletter and transactional email platform with a visual MJML editor, contact timelines, and a transactional API, free to run.
Self-hosted AI gateway routing LLM traffic through Envoy
Envoy AI Gateway is a self-hosted gateway that routes application traffic to 17 language model providers through one OpenAI-compatible API.
Self-hosted file sync and sharing with enterprise compliance controls
ownCloud Infinite Scale is self-hosted file sync and sharing with Spaces, guest accounts, and office integrations for teams that control their own data.
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.
Open-source backup with deduplication and end-to-end encryption
Plakar is an open-source backup tool that stores deduplicated, compressed, and encrypted snapshots you can browse and restore from anywhere.
Open-source framework for portable cloud backends with infrastructure from code
Nitric is an open-source cloud framework that lets developers define APIs, queues, storage, and scheduled jobs directly in application code and deploy the same backend to AWS, Google Cloud, or Azure without lock-in.
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.
Serverless GPUs with fast cold starts for AI workloads
Beam is a serverless GPU platform for running AI inference, sandboxes, and background jobs without managing infrastructure. Functions deploy from a Python decorator, and the platform keeps idle containers warm so repeat calls skip the cold start.
Self-hosted observability backend for logs, metrics, and traces
Gigapipe is a self-hosted observability backend that stores logs, metrics, traces, and profiles in ClickHouse and serves Loki, Prometheus, Tempo, and Pyroscope APIs.
Open-source CI/CD platform for fast builds and deployments
Semaphore is a self-hosted CI/CD platform with YAML pipelines, parallel execution, and container and Kubernetes support, plus a managed cloud option.
Self-hosted SERP API returning Google, Bing, and Yandex results as JSON
OpenSERP is a self-hosted, MIT-licensed SERP API that returns Google, Bing, Yandex, and other engine results as structured JSON for AI agents and SEO tools.
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 GraphQL federation platform and API gateway
WunderGraph Cosmo is an open-source platform for GraphQL federation that composes REST and GraphQL services into one unified gateway API.
French personal cloud for files, notes, and passwords.
Cozy is a personal cloud platform that keeps files, photos, notes, and passwords in one private home.
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.
Self-hosted Markdown notes in a single Go binary
Zen is a free, self-hosted notes app that keeps standard Markdown notes in a local SQLite database with instant full-text search and tag organization.
Self-hosted status page and endpoint monitoring with Slack and email alerts
Statusnook is a self-hosted status page and endpoint monitor with custom HTTP checks, incident timelines, and Slack and email alerts.
Run container jobs where your data already lives
Bacalhau schedules container and WebAssembly jobs onto the machines that already hold the input data, so large datasets are processed in place instead of being copied to a central cluster first. A single self-contained binary acts as client, orchestrator, and compute node, with storage integrations for S3, HTTP, IPFS, and local volumes.
Self-hosted hosting panel with isolated containers per user
OpenPanel is a self-hosted web hosting panel that isolates each user in a container with dedicated MySQL, PHP, and Redis, run from admin and user panels or the OpenCLI terminal.
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 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 AWS-compatible cloud for bare metal and edge
Spinifex is an open-source AWS-compatible cloud for bare-metal, edge and on-premise servers, exposing EC2, S3, EBS, VPC, IAM, EKS and RDS services to existing AWS tooling.
Open-source forum and shared library for lasting communities
Storyden is a self-hosted forum plus shared library for links, pages, and directories, deployed with Docker on your own server.
Self-hosted changelog and roadmap with community voting
ShipShipShip is a self-hosted changelog and roadmap app where teams publish product updates and users vote on upcoming features.
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.
Self-hosted read-it-later hub with highlights and e-book export
Readeck is a self-hosted, open-source hub for saving articles, videos, and images, with highlights, video transcripts, and e-book export.
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.
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.
Cookieless, GDPR-compliant web analytics you can self-host
Prisme Analytics is a self-hosted, privacy-focused web analytics platform written in Go, offering real-time insights with unlimited data retention and no cookie banners.
Privacy-first web analytics for humans and AI agents, self-hosted or in EU/US cloud
HitKeep is a privacy-first web analytics platform that tracks humans and AI agents without cookies, fingerprinting, or cross-site identifiers. Sites add one lightweight script under their own domain, and an MCP server plus analytics API expose the same stats to agents and external tools.
Decentralized fiber network cutting latency for validators and RPC nodes
DoubleZero is a decentralized fiber network that gives distributed systems such as Solana validators low-latency, high-bandwidth connectivity.
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.
Open-source subscription billing with metering, invoicing, and multi-gateway support
UniBee is an open-source billing platform for SaaS subscriptions and usage-based metering, with automated invoicing, dunning, and Stripe and PayPal gateways.
Open network where node operators earn per data request served
Pocket Network is a decentralized network where developers publish data services and independent operators serve them for per-request payment settled onchain.