Log outgoing HTTP requests made from your application. Helpful for tracking API calls of third party gems that don't provide their own log output.

A toolset of small support modules used throughout the Karafka ecosystem

A thin wrapper to use Rails Migrations in non Rails projects

Pure Ruby module for interaction with D-Bus IPC system

Provide useful tools to analyze seccomp rules. Visit https://github.com/david942j/seccomp-tools for more details.

Node.JS's V8 JavaScript engine for multiplatform goodness

Collect Ruby GC, ObjectSpace, and Puma metrics and report them directly to Heroku Runtime Metrics via HTTP.

pygments.rb is a Ruby wrapper for Pygments syntax highlighter

Pure Ruby gem that implements the MQTT protocol, a lightweight protocol for publish/subscribe messaging.

OpenClacky is a 100% open-source (MIT) AI Agent that matches Claude Code on capability at comparable cost. Built on two years of agentic R&D, it ships with a minimal 16-tool core, near-100% prompt cache hit rate, idle-time auto-compression, and BYOK support for any OpenAI-compatible model. A natural-language Skill system lets you create, evolve, and monetize agent capabilities without writing code, plus first-class integrations with Feishu, WeCom, WeChat, Discord, and Telegram.

Fiber-based Ruby web framework combining Rails ergonomics with a unified runtime

A structured logging system is capable of handling a message, custom data or an exception easily. It has JSON formatters compatible with Bunyan or pino for Node.js and human readable formatter with Amazing Print for console.

RDF.rb is a pure-Ruby library for working with Resource Description Framework (RDF) data.

Socialization allows any model to Follow and/or Like any other model. This is accomplished through a double polymorphic relationship on the Follow and Like models. But you don't need to know that since all the complexity is hidden from you.

Ruby anywhere in the world in 250ms with PubNub!

dump headers, sections, extract resources of win32 PE exe,dll,etc

Ruby to WebAssembly toolkit. This gem takes Ruby code and Gemfile, and packages them with Ruby runtime into a WebAssembly binary.

A Ruby kernel for Jupyter environment.

Integrates ServiceWorker into the Rails asset pipeline.

`pitchfork` is a preforking HTTP server for Rack applications designed to minimize memory usage by maximizing Copy-on-Write performance.