GitHub

Supabase is an open source Firebase alternative built on PostgreSQL, offering hosted database, authentication, auto-generated APIs, realtime subscriptions, functions, file storage, and AI/vector tools.

Graphify is an open-source tool that integrates with AI coding assistants to map entire projects, helping developers navigate codebases. Backed by Y Combinator, it is available via GitHub and PyPI.

Apache Maven is a software project management and comprehension tool for Java, managing builds, reporting, and documentation via a Project Object Model (POM). This page points to the project's GitHub repository, documentation, and download links.

RomM is a self-hosted ROM manager that allows users to scan, enrich, browse, and play their game collection via a web interface, with support for multiple platforms, metadata enrichment, and community-developed apps.

Ansible is a radically simple IT automation system for configuration management, application deployment, cloud provisioning, and multi-node orchestration. It is agentless, uses SSH, and focuses on simplicity and security.

Elasticsearch is a distributed search and analytics engine, scalable data store and vector database optimized for speed and relevance. It powers search and AI applications including RAG and vector search.

A guide to writing clean, readable, and maintainable JavaScript code based on Robert C. Martin's Clean Code principles, covering variables, functions, classes, testing, and more.

An open-source textbook on Machine Learning Systems from Harvard, covering principles and practices of engineering AI systems, with companion labs and kits.

PyTorch is an open-source deep learning framework providing GPU-accelerated tensor computation and dynamic neural networks via tape-based autograd. The GitHub README offers installation instructions, component overviews, and links to documentation.

Langflow is an open-source platform that provides a visual builder and API/MCP servers for building and deploying AI-powered agents and workflows, supporting major LLMs and vector databases.

OpenAI releases an official plugin to use Codex from within Claude Code, enabling code reviews, task delegation, and background job management via slash commands.

Agent Skills is an open standard from Anthropic for packaging specialized knowledge and workflows into portable, version-controlled folders that AI agents can load on demand, enabling domain expertise and repeatable tasks with minimal context overhead.

A GitHub Action for checking out a repository, enabling workflows to access code.

A skill/plugin for AI coding agents that reduces output tokens by ~75% by making agents communicate in a concise 'caveman' style while preserving technical accuracy. Supports multiple levels of compression and many agent platforms.

TencentCloud's CubeSandbox is an open-source, high-performance secure sandbox service for AI agents, built on RustVMM and KVM, offering hardware-level isolation, sub-60ms startup, and compatibility with the E2B SDK.

Karukan is a neural kana-kanji conversion input method system for Linux/macOS, using llama.cpp to run the GPT-2 model, supporting real-time conversion, context awareness, and user learning.

olmOCR is an open-source toolkit from AI2 that converts PDFs, PNGs, and JPEGs into clean Markdown text, supporting equations, tables, and complex layouts. It includes a benchmark suite and multiple model releases (v0.4.0 as of Oct 2025) with improved performance and efficiency.

A structured, multilingual dataset of 1,324 exercises with developer setup wizard, DB schema, API code, and LLM prompt, covering categories, body parts, equipment, and instructions in six languages.

Instatic is a self-hosted, MIT-licensed CMS that bundles a visual editor, content engine, and publisher in a single Bun server, outputting clean semantic HTML/CSS with no framework runtime.

Meta open-sources Astryx, a customizable design system built on React and StyleX, featuring 150+ accessible components, CLI tooling, and AI-friendly APIs.