Open Source Projects using Github Actions
A curated collection of the 679 best open source software using Github Actions. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
High-performance code editor built for speed and AI
Stars
89,198Last commit
4 hours agoLicense
GPL-3.0
A Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integration.
Open Source Alternative to:
Self-hosted uptime monitoring with a clean dashboard
Stars
90,599Last commit
15 hours agoLicense
MIT
Monitors websites, APIs, and services with real-time alerts, a status page, and support for dozens of notification channels. Self-hosted and Docker-friendly.
Open Source Alternative to:
Mac cleaner, app manager, and system monitor in one
Stars
64,921Last commit
6 hours agoLicense
GPL-3.0
Native macOS app that cleans caches, uninstalls apps with leftovers, maps disk usage, and shows live system metrics. One-time purchase, lifetime updates.
Open Source Alternative to:
Open-source AI coding agent for your editor and terminal
Stars
66,825Last commit
4 hours agoLicense
Apache-2.0
AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.
Open Source Alternative to:
Text-based diagramming that renders in code and docs
Stars
89,940Last commit
7 hours agoLicense
MIT
Create flowcharts, sequence diagrams, Gantt charts, and more using a simple Markdown-like syntax that renders anywhere.
Open Source Alternative to:
The leading distributed search and analytics engine
Stars
77,863Last commit
4 hours agoLicense
Unknown
Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management.
Open Source Alternative to:
Sleek, intuitive API development and testing platform
Stars
80,098Last commit
9 hours agoLicense
MIT
Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.
Open Source Alternative to:
Self-serve data exploration and dashboard builder
Stars
74,459Last commit
4 hours agoLicense
Apache-2.0
Connect any SQL database, build charts with drag-and-drop or raw SQL, and publish interactive dashboards without writing application code.
Open Source Alternative to:
AI workspace for docs, projects, and wikis you control
Stars
75,940Last commit
14 days agoLicense
AGPL-3.0
Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open Source Alternative to:
Docs, whiteboards, and databases in one privacy-first workspace
Stars
71,872Last commit
2 days agoLicense
MIT
An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.
Open Source Alternative to:
Unified observability for metrics, logs, traces, and more
Stars
76,414Last commit
4 hours agoLicense
AGPL-3.0
Grafana unifies metrics, logs, traces, profiles, and business data into one OpenTelemetry-native platform with AI-assisted root cause analysis and adaptive cost controls.
Open Source Alternative to:
An independent browser engine built from scratch, not a fork
Stars
65,833Last commit
5 hours agoLicense
BSD-2-Clause
Open source web browser with its own engine, built from scratch without Blink, WebKit, or Gecko. Non-profit backed, no search deals, no user monetization.
Open Source Alternative to:
Chat with your documents using any LLM, fully private
Stars
65,185Last commit
21 hours agoLicense
MIT
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
Open Source Alternative to:
Persistent memory layer for AI agents and apps
Stars
64,020Last commit
5 hours agoLicense
Apache-2.0
Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.
Open Source Alternative to:
AI-powered analytics workspace built for investment teams
Stars
72,274Last commit
26 days agoLicense
AGPL-3.0
Connects proprietary, licensed, and public financial data with AI agents in a self-hostable workspace for asset managers, hedge funds, and banks.
Open Source Alternative to:
Run multiple AI coding agents in parallel, side by side
Stars
53,494Last commit
4 hours agoLicense
MIT
Agent Development Environment that runs Claude Code, Codex, Gemini, and other CLI agents in parallel across isolated git worktrees, with terminals, browser, diff review, and git tools built in.
Open Source Alternative to:
Real-time monitoring for systems and applications
Stars
80,291Last commit
6 hours agoLicense
GPL-3.0
Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.
Open Source Alternative to:
LLM gateway for auth, load balancing, and spend tracking
Stars
57,255Last commit
4 hours agoLicense
Unknown
Acts as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.
Open Source Alternative to:
Headless CMS with REST and GraphQL APIs out of the box
Stars
73,014Last commit
6 hours agoLicense
MIT
TypeScript headless CMS that generates REST and GraphQL APIs from your content model, with a no-code builder, plugin system, and full self-hosting support.
Open Source Alternative to:
Free, open-source software for video recording and live streaming
Stars
75,441Last commit
22 hours agoLicense
GPL-2.0
OBS Studio offers high-quality video recording and live streaming capabilities, supporting multiple platforms and providers.
Open Source Alternative to:
Project management for teams and AI agents
Stars
58,228Last commit
6 hours agoLicense
AGPL-3.0
Open source project management platform combining issues, wikis, and AI agents in one workspace. Available on cloud, self-hosted, and air-gapped deployments.
Open Source Alternative to:
Project management for teams mixing humans and AI agents
Stars
47,659Last commit
4 hours agoLicense
Unknown
Open-source platform that manages coding agents as team members, with task queues, skill libraries, runtime monitoring, and a unified activity feed.
Open Source Alternative to:
Run open-source AI models privately on your own device
Stars
77,396Last commit
1 year agoLicense
MIT
GPT4All runs open-source language models locally on Windows, macOS, and Linux with no cloud dependency, keeping your data on your machine.
Open Source Alternative to:
A modern terminal built around AI coding agents
Stars
64,518Last commit
5 hours agoLicense
AGPL-3.0
Terminal built for running AI coding agents like Claude Code, Codex, and Gemini CLI, with shared context, interactive code review, and multi-session management.
Open Source Alternative to:
Self-hosted timeline for quick notes, logs, and snippets
Stars
62,523Last commit
7 hours agoLicense
MIT
Memos is a self-hosted, open-source note-taking app built around a private timeline. Write in Markdown, skip the folder setup, and keep your data on your own server.
Open Source Alternative to:
Build a custom CRM without the proprietary lock-in
Stars
55,523Last commit
4 hours agoLicense
AGPL-3.0
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
Open Source Alternative to:
Open-source backend in a single file
Stars
60,801Last commit
1 day agoLicense
MIT
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.
Open Source Alternative to:
Deploy apps, databases, and services to your own server
Stars
61,026Last commit
5 hours agoLicense
Apache-2.0
Self-hostable deployment platform that lets you deploy apps, databases, and 280+ one-click services to any server via SSH, with Git integration and automatic SSL.
Open Source Alternative to:
Open source metrics collection, storage, and alerting
Stars
65,816Last commit
8 hours agoLicense
Apache-2.0
Pull-based monitoring system with a multi-dimensional data model, PromQL query language, built-in alerting, and a time series database built for cloud native environments.
Open Source Alternative to:
Fast GPU-accelerated terminal with native UI design
Stars
60,214Last commit
4 hours agoLicense
MIT
Experience blazing-fast terminal performance with GPU acceleration and platform-native UI. Cross-platform compatibility meets modern design.
Open Source Alternative to:
Transform databases into intuitive spreadsheets instantly
Stars
64,727Last commit
8 hours agoLicense
AGPL-3.0
Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows effortlessly.
Open Source Alternative to:
Multi-model AI desktop client with local-first privacy
Stars
51,060Last commit
4 hours agoLicense
AGPL-3.0
Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous agent mode.
Open Source Alternative to:
Open-source backend platform for rapid app development
Stars
57,119Last commit
5 hours agoLicense
BSD-3-Clause
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.
Open Source Alternative to:
Self-host your own scheduling page, no vendor required
Stars
47,922Last commit
17 days agoLicense
MIT
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.
Open Source Alternative to:
High-performance terminal with GPU acceleration
Stars
65,505Last commit
8 days agoLicense
Apache-2.0
Modern cross-platform terminal emulator with OpenGL acceleration, extensive configuration options, and vi mode support for enhanced productivity.
Open Source Alternative to:
Self-hosted Git service for seamless collaboration
Stars
57,595Last commit
4 hours agoLicense
MIT
A lightweight, fast, and customizable Git service that simplifies code hosting and collaboration for teams of all sizes.
Open Source Alternative to:
One interface for all your AI models and conversations
Stars
42,443Last commit
4 hours agoLicense
MIT
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Open Source Alternative to:
Self-hosted media server for movies, music, and more
Stars
56,173Last commit
1 day agoLicense
GPL-2.0
Free, open source media server that lets you collect, manage, and stream your personal library to any device, with no fees, tracking, or vendor lock-in.
Open Source Alternative to:
Personal AI agent for messaging apps, containerized
Stars
30,618Last commit
7 hours agoLicense
MIT
Self-hosted AI agent that connects to WhatsApp, Telegram, Slack, and a dozen more messaging apps, running each agent in an isolated Docker container with credential injection via a secure vault.
Open Source Alternative to:
Self-hosted AI runtime for text, voice, vision, and agents
Stars
48,673Last commit
6 hours agoLicense
MIT
Run LLMs, speech, image generation, and autonomous agents on your own hardware with an OpenAI-compatible API and 60+ swappable backends.
Open Source Alternative to:
Publishing platform for blogs, newsletters, and paid memberships
Stars
55,055Last commit
4 hours agoLicense
MIT
Publish content, send email newsletters, and sell paid subscriptions from one platform. Used by independent journalists, creators, and businesses like YCombinator and Kickstarter.
Open Source Alternative to:
Lightning-fast search for your applications
Stars
59,087Last commit
6 hours agoLicense
MIT
A powerful, fast, and easy-to-use search engine that delivers instant and relevant results for your websites and applications.
Open Source Alternative to:
Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.
Sent
Sevalla
Stellar Hosted