Top Open source repositories on GitHub
Notable open-source projects across every category.
Ranked by stars across 3,634 repositories tagged open-source. Refreshed daily.
- 1public-apis/public-apis★ 432,825 · ⑂ 47,330
A collective list of free APIs
- api
- public-apis
- free
- apis
- list
- development
- 2f/prompts.chat★ 161,729 · ⑂ 21,090
f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.
- chatgpt
- ai
- artificial-intelligence
- awesome-list
- chatgpt-prompts
- claude
- 3x1xhlol/system-prompts-and-models-of-ai-tools★ 136,838 · ⑂ 34,150
FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models
- ai
- cursor
- lovable
- system-prompts
- v0
- cursorai
- 4langchain-ai/langchain★ 135,982 · ⑂ 22,480
The agent engineering platform. Available in TypeScript!
- ai
- anthropic
- gemini
- langchain
- llm
- openai
- 5godotengine/godot★ 110,379 · ⑂ 25,230
Godot Engine – Multi-platform 2D and 3D game engine
- game-engine
- godot
- godotengine
- open-source
- multi-platform
- gamedev
- 6redis/redis★ 74,177 · ⑂ 24,599
For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
- database
- key-value
- nosql
- redis
- caching
- distributed-systems
- 7facebook/docusaurus★ 64,837 · ⑂ 9,872
Easy to maintain open source documentation websites.
- documentation
- website
- javascript
- react
- open-source
- hacktoberfest
- 8farion1231/cc-switch★ 61,500 · ⑂ 3,974
A cross-platform desktop All-in-One assistant tool for Claude Code, Codex, OpenCode, openclaw & Gemini CLI.
- ai-tools
- claude-code
- desktop-app
- open-source
- rust
- tauri
- 9firstcontributions/first-contributions★ 53,854 · ⑂ 102,206
🚀✨ Help beginners to contribute to open source projects
- open-source
- tutorial
- contribution
- beginner
- beginner-friendly
- contributions-welcome
- 10serhii-londar/open-source-mac-os-apps★ 48,472 · ⑂ 2,541
🚀 Awesome list of open source applications for macOS. https://t.me/s/opensourcemacosapps
- macos
- mac
- macosx
- apps
- applications
- awesome-list
- 11GitHubDaily/GitHubDaily★ 46,362 · ⑂ 4,639
坚持分享 GitHub 上高质量、有趣实用的开源技术教程、开发者工具、编程网站、技术资讯。A list cool, interesting projects of GitHub.
- github
- open-source
- ai
- java
- python
- web
- 12bevyengine/bevy★ 45,949 · ⑂ 4,548
A refreshingly simple data-driven game engine built in Rust
- bevy
- gamedev
- game-engine
- open-source
- rust
- game-development
- 13twentyhq/twenty★ 45,569 · ⑂ 6,334
The open alternative to Salesforce, designed for AI.
- crm
- customer
- graphql
- marketing
- react
- sales
- 14rtk-ai/rtk★ 43,198 · ⑂ 2,611
CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies
- agentic-coding
- ai-coding
- anthropic
- claude-code
- cli
- command-line-tool
- 15santifer/career-ops★ 43,167 · ⑂ 9,026
AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.
- ai-agent
- anthropic
- automation
- career
- claude
- claude-code
- 16juspay/hyperswitch★ 42,594 · ⑂ 4,612
An open source payments switch written in Rust to make payments fast, reliable and affordable
- payments
- rust
- orchestration
- hacktoberfest
- beginner-friendly
- featured
- 17janhq/jan★ 42,414 · ⑂ 2,845
Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.
- llamacpp
- localai
- self-hosted
- gpt
- tauri
- chatgpt
- 18calcom/cal.diy★ 42,378 · ⑂ 13,152
Scheduling infrastructure for absolutely everyone.
- open-source
- typescript
- nextjs
- next-auth
- postgresql
- prisma
- 19payloadcms/payload★ 42,239 · ⑂ 3,673
Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.
- headless-cms
- cms
- express
- graphql
- react
- payload
- 20HeyPuter/puter★ 40,942 · ⑂ 3,727
🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.
- desktop
- desktop-environment
- osjs
- web-desktop
- webtop
- cloud-os
- 21spacedriveapp/spacedrive★ 37,963 · ⑂ 1,281
Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.
- file-manager
- distributed-systems
- cross-platform
- encryption
- storage
- rust
- 22siddharthvaddem/openscreen★ 34,976 · ⑂ 2,368
Create stunning demos for free. Open-source, no subscriptions, no watermarks, and free for commercial use. An alternative to Screen Studio.
- electron
- pixijs
- screen-recorder
- open-source
- screen-capture
- 23nextcloud/server★ 34,825 · ⑂ 4,846
☁️ Nextcloud server, a safe home for all your data
- open-source
- file-sharing
- enterprise
- sharing
- collaboration
- cloud
- 24firecracker-microvm/firecracker★ 34,154 · ⑂ 2,375
Secure and fast microVMs for serverless computing.
- virtual-machine
- sandbox
- virtualization
- rust
- containers
- minimalist
- 25AdguardTeam/AdGuardHome★ 33,896 · ⑂ 2,328
Network-wide ads & trackers blocking DNS server
- dns
- adblock
- privacy
- golang
- adguard
- open-source
Find engineers shipping Open source
The list above ranks the most-starred public repositories tagged with the Open source topic, drawn from the public GitHub graph. Across 3,634 repositories tagged this way, the maintainers and top contributors are a tight cluster of the people actually building Open source.
Looking for engineers who’ve worked on Open source for real, not just listed it on LinkedIn? The fastest path is the contributor list of these repos. Their commits, issues, and READMEs are public proof of depth.
Refolk turns this list into a search. Ask for “maintainers of top Open source repos who are hiring”, “Open source engineers in San Francisco”, or “founders shipping Open source” and Refolk returns a ranked shortlist with sources.
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Last refreshed: Thu, 07 May 2026 05:54:48 GMT
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