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
Master programming by recreating your favorite technologies from scratch.
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Jul 14, 2026 - Markdown
Trending repository
🦔 PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
react javascript python typescript analytics web-analytics feature-flags data-warehouse ab-testing surveys experiments cdp product-analytics session-replay ai-analytics
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Jul 18, 2026 - Python
GitHub Checkout
In this episode of GitHub Checkout, learn how Copilot cloud agent can help you fix merge conflicts and manage pull requests. Discover how AI-powered automation streamlines your workflow, resolves code conflicts, and keeps your PRs moving forward.
Popular topic
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Database
A database is a structured set of data held in a computer, usually a server.
Trending repository
Become a cracked AI/ML Research Engineer
python nlp computer-science machine-learning statistics reinforcement-learning computer-vision deep-learning math algorithms linear-algebra machine-learning-algorithms probability mathematics artificial-intelligence speech-processing multimodal-learning jax ai-textbook
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Jul 16, 2026 - TypeScript
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Anti-AI-slop design skill for Claude Code, Cursor, and Codex.
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Jun 26, 2026 - CSS
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Multi-platform SDK for integrating GitHub Copilot Agent into apps and services
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Jul 18, 2026 - Java
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Jun 26, 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
Cloud 66 for Rails
Cloud 66 for Rails allows you to build, manage and maintain your Rails applications that can be deployed to any cloud provider or to your own server. Cloud 66 for Rails helps you scale your database with master-slave replication, without having to make any configuration changes. You can add back-ups, load balancers and de-commission servers with a single click. Popular Rails and Rack frameworks available.
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Trending repository
Protocol Buffers - Google's data interchange format
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Jul 18, 2026 - C++
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Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codebase so AI coding tools read only what matters, with benchmarked context reductions on reviews and large-repo workflows.
python tree-sitter mcp static-analysis incremental knowledge-graph code-review claude llm graphrag ai-coding claude-code
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Jul 18, 2026 - Python
Trending repository
Open source DocuSign alternative. Create, fill, and sign digital documents ✍️
open-source pdf webpack vue self-hosted e-signature documents ruby-on-rails tailwindcss pdf-signature pdf-sign document-signing hotwired-turbo
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Jul 13, 2026 - Ruby
Trending repository
Trending repository
A vector index built on TurboQuant, written in Rust with Python bindings
python rust neon embeddings simd nearest-neighbor quant ann quantization avx512 embedding faiss rag vector-search turboquant
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Jun 10, 2026 - Python
Trending repository
DeepTutor: Lifelong Personalized Tutoring. https://deeptutor.info/.
interactive-learning multi-agent-systems ai-agents cli-tool rag large-language-models ai-tutor deepresearch clawdbot
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Jul 9, 2026 - Python
Trending repository
This recommendation was created by GitHub staff
Codetree
Codetree is a lightweight project management app with terrific support for multi-repo projects. There's nothing to install and it works in every browser.
Agile teams use Codetree to plan sprints and epics, and understand their in-flight work. Two-way sync with GitHub Issues means your team can work in either tool and everything stays up to date.
Teams from SeatGeek, Google, Telerik, MIT, Microsoft and CKSource trust Codetree to help deliver great software.
