@ruby committer
Sandbox
🟦 Bluish color scheme for irb
A sandbox where you can casually try out capybara.
Lens of Truth to check if the automatic modification by RuboCop is not causing changes in the AST.
Convert PlantUML to Mermaid
Interactive Bezier curve drawing tool using Ruby2D.
Convert Mermaid diagrams to SVG files using Puppeteer. Supports both CLI and programmatic usage with batch conversion capabilities.
A RuboCop extension focused on enforcing RSpec. A place where no one is officially employed, but where useful cops can gather.
A hobby regex engine written in Ruby. Designed to be simple and efficient for educational purposes.
A Ruby gem to sync Markdown files to Notion pages.
A Ruby gem for visualizing the cascade deletion impact in Rails applications. BlastRadius helps you understand which records will be deleted when you delete a record, based on ActiveRecord associations with dependent options.
Rdeck is a Ruby CLI tool that converts Markdown presentations to Google Slides, enabling continuous deck creation with content and design separation.
Ruby bindings for the LLDB debugger.
Auto-fix N+1 queries detected by Bullet at runtime.
A RuboCop extension focused on enforcing committee.
Parselly is a module providing a simple way to parse and extract data from a css selector 🌿
A modern static site generator for Ruby with Vite/Tailwind integration.
Convert ASCII/Unicode diagrams into clean SVG and PNG images
WebRTC bindings for Ruby, providing real-time audio, video, and data channel capabilities.
Ruby bindings for WebGPU via wgpu-native.
Building audio-reactive visuals with a Ruby DSL.
Ruby bindings for HarfBuzz text shaping engine
Parses Terraform (.tf) files and generates infrastructure design documentation in Markdown format.
Headless terminal emulator library for Ruby.
Functional, command-oriented OpenGL for Ruby.
Pure Ruby FFI bindings for GLFW 3.3/3.4.
Ruby FFI bindings for the core JACK Audio Connection Kit client APIs.
A minimal LLM implemented in pure Ruby
Web Bluetooth API-style BLE interface for Ruby.
A WebUSB-style API to Ruby applications.
A linter and formatter for Lrama Style BNF grammar files (.y files). Collie helps you write clean, maintainable, and error-free grammar files for parser generators like Lrama, Yacc, and Bison.
A cli that highlights gems you can likely remove from a Ruby project's Gemfile.
Pure Ruby packet analyzer.
A tool to create mermaid class diagrams from Ruby code.
A Ruby gem for converting SVG files to PNG images. Can be used as both a CLI tool and a Ruby library.
A multiplayer Tetris game written in Ruby that runs over Telnet. Play classic Tetris against another player in real-time through your terminal.
Generate Markdown documentation from OpenAPI specifications.
Language Server Protocol (LSP) implementation for Lrama Style BNF grammar files (.y files).
A tiny Ruby library for generating finite state machine (automaton) diagrams as SVG.
Generate Mermaid diagrams from Rails models and controllers.
Bring harmony to your pull requests.
A slim file to minify embedded code.
A Pure Ruby Markdown linter and formatter.
A RuboCop extension focused on enforcing Sidekiq best practices and coding conventions.
Obituary detects archived GitHub repositories for your RubyGem dependencies.
Ruby FFI bindings for SDL3 (Simple DirectMedia Layer 3).
Replay test suite's HTTP interactions as WebMock stubs in RSpec.
A custom cop collection of working toolkits.
Ruby FFI bindings for libogg, the OGG container format library.
A visual editor for Lrama grammar files (.y files) powered by Ruby Wasm.
A Ruby audio feature extraction library that provides a full pipeline from audio loading to spectral analysis, feature extraction, rhythm analysis, effects, and lightweight visualization.
A pure Ruby library for building, reading, and writing Standard MIDI Files (SMF)
Ruby audio feature extraction library with WAV analysis and optional FFTW acceleration.
A Ruby toolkit for building small scores with a Ruby DSL and exporting them to PDF, SVG, or MIDI.
A pure Ruby audio processing gem focused on ergonomic APIs and immutable audio transforms.
A pure Ruby LALR(1) parser generator. You define a grammar with a Ruby DSL, and Rusa generates a standalone Ruby parser with no runtime gem dependency.
A Ruby audio synthesis library with a flexible node graph, oscillator and synth variants, effects, transport/event scheduling, sample playback, analysis utilities, offline rendering, and an optional PortAudio-backed realtime context.
Ruby Like Shading Language - A Ruby DSL for writing shaders that transpile to multiple GPU shader languages.
Pure Ruby fast lexer generator.
Visualizer for checking B-tree behavior.
🎮 A game in which you enter the name of the class and compete for the number of letters on rurima's page.
Sample code for RubyConf Taiwan x COSCUP 2025 "Joy with 3D Graphics Using Ruby"
RuboCop runner for Ruby code embedded in Slim.
A programming language compiler using "Grongi language," the language of the Gurongi tribe from Kamen Rider Kuuga (Masked Rider Kuuga).
🛤️ A tiny Ruby+SVG library for drawing railroad syntax diagrams like JSON.org.
A pure Ruby library for visualizing automata and state machines. Supports multiple output formats including Mermaid, GraphViz DOT, PlantUML, and interactive HTML.
WebXR Device API bindings for Ruby. Build VR/AR applications in Ruby using ruby.wasm.
Generate beautiful terminal screenshots from YAML.
Regression testing for Ruby APIs, files, and data snapshots. Compare outputs across environments with tolerances and ignore rules.
A Ruby CLI for linting and formatting YAML files
Simple YAML Frontmatter Parser
Advisory locking for ActiveRecord with modern Rails conventions.
Licensure is a RubyGem CLI tool that inspects dependency licenses from `Gemfile.lock` and checks them against a configurable allow list.
Bevy bindings for Ruby, providing ECS-driven game/app architecture, 2D rendering sync, input bridging, and runtime interaction events.
Ruby wrapper for Linux `ptrace(2)` focused on building tracers and debugger-like tooling with a Ruby-friendly API.
A RuboCop Extension Template.
Ruby FFI bindings for libvorbis and libvorbisenc. Provides Vorbis audio codec encoding functionality.
Ruby bindings for the Skia 2D graphics library.
Ruby FFI bindings for RtMidi with Ruby-idiomatic MIDI input/output, typed messages, and low-level C API access.
Ruby FFI bindings for FFTW3 (Fastest Fourier Transform in the West).
A Ruby FFI binding for PortAudio v19.
lxdb (LLeXtreme DeBugger) is a powerful, pwndbg-style debugger for Ruby built on top of lldb-ruby.
A small 2D game engine for PicoRuby and CRuby-based POSIX development.
rspec-rewind is a modern retry orchestration gem for RSpec.
Ruby FFI bindings for libusb 1.0.
A Ruby live coding toolkit for composing musical patterns with rational time and OSC/MIDI output.
RuBy Graphics Library - A pure Ruby graphics library with software rendering engine and cross-platform GUI support.
