Your feedback loop with the agent

A high-performance Ractor web server for Ruby 4.0+: Rack 3-based, with a Rust Tokio/Hyper front-end and Ractor-parallel Ruby workers and threaded fallback mode.

A CLI that runs AI coding agent actions through Datadog AI Guard before they are executed.

A machine tool for agents: a verified runtime for systems agents build.

FFI transpiler with JIT hints

Teams-first Multi-agent orchestration for Claude Code

Persistent file-based planning for AI coding agents and long-running tasks. Crash-proof markdown plans, session recovery after /clear and compaction, per-turn re-injection against context rot, dete…

Hear your agent suffer through your code

A tiny, filesystem-backed S3-compatible server for local development and testing.

Give your AI agent a Pup — a CLI companion with 200+ commands across 33+ Datadog products.

safepoint-based sampling performance profiler for Ruby

200+ production open source Rails apps & engines in one repo. Search across real codebases with AI agents to research architectural patterns.

Easy Linux virtual machine on MacOS to sandbox LLM agents.

Verified Rust for low-level systems code

C++ programmer's guide to undefined behavior

embedded-graphics backend for Ratatui

Continuous background code review database for agents, work faster and smarter with accountability for every line of generated code.

The open source coding agent.

Durable execution workflows for Rails

Load checks for ActiveRecord to support load shedding

Kanban as it should be. Not as it has been.

The Ruby framework for programming—rather than prompting—language models.

A Rust crate for cooking up terminal user interfaces (TUIs) 👨‍🍳🐀 https://ratatui.rs

A proof of concept for using Zed's Zeta model for predictions in neovim too!

Rails Pulse is a comprehensive performance monitoring and debugging gem that provides insights into your Rails application's health.

Tmux theme integration for Omarchy using powerkit. Automatic sync.

An offline macOS music player

Universal CPU profiler designed for humans and AI agents