Open Source Fridays
Discover how your favorite open source projects are created. Live coding and technical insights from the maintainers themselves.
Here's what's popular on GitHub today...
Trending repository
Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.
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Jul 3, 2026 - Python
Trending repository
Use Codex from Claude Code to review code or delegate tasks.
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Jun 23, 2026 - JavaScript
GitHub Checkout
In this episode of GitHub Checkout, we sit down with Copilot CLI Product Manager Ryan Hecht to explore the latest experimental features. We cover the plugin marketplace, the /chronicle slash command for self-healing prompts, and how to run Claude Opus 4.6, GPT-5.4, and Gemini 3 simultaneously. We also walk through how /fleet mode and autopilot can handle massive refactoring tasks while you step away.
Popular topic
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CSS
Cascading Style Sheets (CSS) is a language used most often to style and improve upon the appearance of views.
Trending repository
🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman
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Jul 3, 2026 - JavaScript
Trending repository
Free and Open Source, Distributed, RESTful Search Engine
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Jul 3, 2026 - Java
Trending repository
Action for checking out a repo
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Jun 30, 2026 - TypeScript
Trending repository
Chrome DevTools for coding agents
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Jul 3, 2026 - TypeScript
Collection recommended by GitHub
Made in Brazil
Open source projects built in or receiving significant contributions from Brazil :brazil:
This recommendation was created by GitHub staff
Stastic
Create a website or edit the one you have and host it on Github pages.
Hosting is free, without ads, and super fast. The editor is simple and optimized for mobile phones.
Note: static websites are very fast ! Stastic editor plugs into Jekyll websites, wich are natively supported by Github pages. Install Stastic, then add
/adminto the website URL to enter the editor.
Trending repository
Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy and maintain. Automate everything from code deployment to network configuration to cloud management, in a language that approaches plain English, using SSH, with no agents to install on remote systems. https://docs.ansible.com.
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Jul 1, 2026 - Python
Trending repository
An open source design system that's fully customizable and agent ready
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Jul 3, 2026 - TypeScript
Trending repository
A beautiful, powerful, self-hosted rom manager and player.
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Jul 3, 2026 - Python
Trending repository
Machine Learning Systems
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Jul 3, 2026 - Python
Trending repository
Tensors and Dynamic neural networks in Python with strong GPU acceleration
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Jul 3, 2026 - Python
Trending repository
Trending repository
AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor, Gemini CLI, and more). Turn any folder of code, SQL schemas, R scripts, shell scripts, docs, papers, images, or videos into a queryable knowledge graph. App code + database schema + infrastructure in one graph.
tree-sitter skills gemini knowledge-graph leiden codex rag graphrag antigravity claude-code openclaw
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Jul 3, 2026 - Python
Trending repository
Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.
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Jul 3, 2026 - Python
Trending repository
agent multiplexer that lives in your terminal.
agent rust tmux cli terminal ai devtools tui developer-tools multiplexer workspace-manager codex ai-agents terminal-ui terminal-multiplexer coding-agents agent-orchestration claude-code
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Jul 3, 2026 - Rust
Trending repository
An agentic skills framework & software development methodology that works.
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Jul 2, 2026 - Shell
Trending repository
Trending repository
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
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Jul 3, 2026 - TypeScript
Trending repository
Trending repository
A complete AI agency at your fingertips - From frontend wizards to Reddit community ninjas, from whimsy injectors to reality checkers. Each agent is a specialized expert with personality, processes, and proven deliverables.
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Jul 1, 2026 - Shell
This recommendation was created by GitHub staff
cto.new
cto.new is the world's first completely free AI code agent.
You can use the latest and greatest frontier models from Anthropic, OpenAI, Google and more without needing a credit card or to bring your own API keys.
cto.new is a best in class planning tool and background AI code agent, helping you plan and working on tasks without supervision in its own VM to turn issues into pull requests.
Sign up for FREE at cto.new
