Spec-driven development (SDD) for AI coding assistants.

The open source coding agent.

Racecar: a simple framework for Kafka consumers in Ruby

Ultralytics YOLO 🚀

⛅️ Home to Wrangler, the CLI for Cloudflare Workers®

Embedded property graph database built for speed. Vector search and full-text search built in. Implements Cypher.

zero-dependency image processing library

📄 Configuration files that enhance Cursor AI editor experience with custom rules and behaviors

One beautiful Ruby API for OpenAI, Anthropic, Gemini, Bedrock, OpenRouter, DeepSeek, Ollama, VertexAI, Perplexity, Mistral, xAI, GPUStack & OpenAI compatible APIs. Chat, Vision, Audio, PDF, Images,…

Building applications with composability using Boxcars with LLM's. Inspired by LangChain.

GitHub's official MCP Server

The official Ruby SDK for the Model Context Protocol. Maintained in collaboration with Shopify.

A complete LSTM neural network library with training capabilities, multiple optimizers, and peephole variants.

Ruby and Rails efficient Kafka processing framework

PDF Reader in JavaScript

Implementation for MatMul-free LM.

Video+code lecture on building nanoGPT from scratch

Ruby gem with Rasch, 2PL, and 3PL implementations for Item Response Theory (IRT), supporting missing data handling, adaptive optimization, and more.

Static type checker for Ruby

RustyPi is a Rust library designed to estimate the value of π (pi) using Monte Carlo simulations.

🚂 🦀 The one-person framework for Rust for side-projects and startups

DuckDB is an analytical in-process SQL database management system

An extremely fast Python package and project manager, written in Rust.

Support for sharded databases and replicas for ActiveRecord

🔥 The Web Data API for AI - Turn entire websites into LLM-ready markdown or structured data

Bayesian Modeling and Probabilistic Programming in Python

Minimalist ML framework for Rust

Ruby algorithms and data structures. C extensions

OpenAI API + Ruby! 🤖❤️ GPT-5 & Realtime WebRTC compatible!