Read, validate, and write RFC 7951 YANG JSON with typed Ruby values and metadata.

WebXR Device API bindings for Ruby. Build VR/AR applications in Ruby using ruby.wasm.

Ruby desktop packet capture and inspection with protocol details, byte views, and display filters

Report and block unintended syscalls in Ruby builds and tests

RuboCop runner for Ruby code embedded in Slim.

Evidence-based test suite adequacy analysis for Ruby, combining coverage, mutation testing, checked coverage, redundancy detection, and test-smell heuristics.

Read, validate, and resolve SenML sensor measurements in JSON and CBOR with Ruby.

化学式を解剖し、分子の量を秤り、反応式を釣合はすRubyGemに候

Issue, present, and verify selective disclosure JWTs with key binding in Ruby.

A RuboCop Extension Template.

Detect RSpec examples that leak global state, resources, time travel, randomness, or filesystem changes.

Detect ignored ActiveRecord rollbacks in joined nested transactions

Dependency-free Ruby library for loading and writing glTF 2.0 and GLB with GPU-ready packed accessors.

Rdeck is a Ruby CLI tool that converts Markdown presentations to Google Slides, enabling continuous deck creation with content and design separation.

OTP-style supervision trees for Ruby Ractors with declarative restart strategies and graceful shutdown.

Decode PicoRuby/R2P2 Cortex-M HardFault logs with matching ELF debug symbols

Simple YAML Frontmatter Parser

Hybrid dead-code detection for Ruby projects.

A visual editor for Lrama grammar files (.y files) powered by Ruby Wasm.

Ruby CLI and API for counting public GitHub PRs, commits, issues, and reviews by date range.

Research-backed safe regression test selection and fast test feedback for Ruby.

Read, validate, and convert JSContact 1.0 and 2.0 contact cards in Ruby.

Convert vCard 4.0 and iCalendar to and from jCard and jCal in Ruby.

Pure Ruby LR parser generator with racc-compatible grammars, EBNF extensions, diagnostics, and SLR/LALR/LR(1) backends.

Ruby bindings for HarfBuzz text shaping engine

Check GraphQL-Ruby resolver contracts against Prism-parsed Ruby source before runtime.

Bounded, browser-local profiler for Funicular and PicoRuby development tooling.

Ruby-native lexer generator for parser authors. Write ordinary Ruby specs, run them at runtime, or generate deterministic Ruby for deployment.

Read and write DNS wire messages and RFC 8427 JSON in Ruby, including malformed packets.

A linter and formatter for Lrama-style BNF grammar files.

Deterministic syscall fault injection for Ruby programs using Linux seccomp user notifications.

Observe file, network, and process capabilities used while installing or requiring Ruby gems.

A custom cop collection of working toolkits.

A pure Ruby audio processing gem focused on ergonomic APIs and immutable audio transforms.

Catch Active Record transactions napping—detect non-database idle gaps while locks may be held.

A three.js-like scene graph and WebGPU renderer for Ruby, with PBR, glTF, animation, shadows, and offscreen rendering.

A slim file to minify embedded code.

Battery-included monitoring and alerting for Sidekiq

Fast JSON Schema validator for Ruby.

Native CRuby bindings for libseccomp with low-level and Ruby-friendly APIs.

象算木之法，以字畫示整數加減之程

A RuboCop extension focused on enforcing committee.

Detect, record, and classify flaky RSpec failures with normalized signatures, isolated reruns, and CI-friendly reports.

Catch Active Record objects whose database writes rolled back while their in-memory state stayed changed.

Ruby bindings for RenderDoc's in-application API, with programmatic GPU frame capture and RSpec integration.

Railroad syntax diagrams in SVG and text, built with Ruby.

Pure Ruby interface to Linux Pressure Stall Information (PSI)

A small Mackerel metrics client for PicoRuby that validates service or host metric batches before a single verified HTTPS POST.

Pure Ruby library and CLI for reading, composing, editing, and writing OpenUSD USDA and USDZ assets.

A Pure Ruby Markdown linter and formatter.

Frame-level Ruby bindings for FFmpeg video and audio encoding/decoding without subprocesses.

Pure Ruby JPEG XL decoder and lossless Modular encoder with no native extensions.

Read, validate, and expand JSCalendar events and tasks in Ruby.

Read, validate, and exchange IODEF incident reports as JSON, CBOR, and XML in Ruby.

書籍『ゼロから作る正規表現エンジン』の章別リファレンス実装

A differentiable 3D Gaussian splatting renderer and trainer for Ruby, with Numo::NArray and optional OpenMP acceleration.

A tiny Ruby library for generating finite state machine (automaton) diagrams as SVG.

OpenTelemetry browser and SSR adapters for Funicular, with OTLP and W3C Trace Context support.

Ruby bindings for Linux fanotify

Causal profiling toolkit for Ruby that estimates which lines or waits would actually improve throughput or latency.

Ruby FFI bindings for robust Clipper2 polygon clipping, offsets, and GPU-ready triangulation.

Capture legacy Ruby behavior, synthesize portable specifications, and verify replacement implementations with replay and bounded formal checks.

Fast Prism-native AST traversal, declarative matching, and source rewriting for Ruby

Ruby bindings for WebGPU via wgpu-native.

Building audio-reactive visuals with a Ruby DSL.

Texture-oriented image decoding, conversion, resizing, and GPU upload helpers for Ruby.

Ruby bindings for the Skia 2D graphics library.

Generate beautiful terminal screenshots from YAML.

Japanese seasonal and lunisolar calendar calculations in Ruby: 24 solar terms, 72 microseasons, observances, new moons, and date conversion.

Pure Ruby bindings for Linux seccomp user notifications

A RuboCop extension focused on enforcing RSpec. A place where no one is officially employed, but where useful cops can gather.

Runtime risky-test detection for RSpec: reports tests with no expectations or unexpected output.

RSpec coverage intent metadata, strict coverage checks, and traceability suggestions.

Ruby JSON processor with a practical jq 1.7.1-compatible subset, CLI, and Ruby API.

Capture, inspect, and save network packets in pure Ruby.

A collection of railroad diagrams (syntax diagrams) for various programming languages to serve as a visual reference for developers.

Detect PostgreSQL and MySQL session-state leaks in Active Record connection pools.

A practical Perl 5 interpreter written in pure Ruby

A modern, dependency-free Ruby client for the Notion API

Ruby bindings for Linux's file-descriptor-based mount API

A fast, Prism-native Ruby linter

Generate Mermaid diagrams from Rails models and controllers.

A terminal slide rule simulator for Ruby, with interactive sandbox, demo, and drill modes.

Strict JSON5 1.0.0 parser in Pure Ruby with generated grammar, diagnostics, limits, and lossless Document mode.

Ruby bindings for Jolt Physics, powered by joltc, FFI, and larb

Generated Ruby bindings for Dear ImGui with an idiomatic API, exception-safe DSL, GLFW/SDL3/OpenGL/WebGPU backends, and ImPlot.

A hobby regex engine written in Ruby. Designed to be simple and efficient for educational purposes.

A Prism-based codemod for safely migrating deprecated graphql-ruby APIs without booting the application.

A cli that highlights gems you can likely remove from a Ruby project's Gemfile.

Ruby FFI bindings for FreeType 2.11+, with SDF atlases and HarfBuzz text meshes.

Share FactoryBot data safely across RSpec examples

Language Server Protocol (LSP) implementation for Lrama Style BNF grammar files (.y files).

Auto-fix N+1 queries detected by Bullet at runtime.

Idiomatic, memory-safe Ruby bindings for Box2D v3

Ruby bindings for the Assimp 5.x asset import library