A DSL for presenting ActiveRecord::Relations without instantiating ActiveRecord models

Markdown processor like GitHub

Feature Flags, Live Config, and Dynamic Log Levels as a service

A brief excercise and exploration of primes. cli, benchmarks and tests between diffent prime generation algorithms, etc

ruby-protobuf client/server for nats

Pure-Ruby implementation of Black-Scholes European and CRR Binomial American option pricing with delta, gamma, theta, vega, rho, and Brent's-method implied volatility. No Python, no QuantLib system dep, no native code.

HTTP/3 server implementation for Ruby

Quonfig — feature flags and live config, stored as files in git.

Extends Rack with AI capabilities including request classification, content moderation, smart caching, and security features

Rack Middleware for parsing request body without touching or mixing in request.params.

A comprehensive AI toolkit for Rails with multi-provider support, context awareness, and performance optimizations

Measures the Rails Heft Index (RHI), a weighted performance score based on realistic Rails 8+ workloads across Active Record, caching, views, jobs, and image processing.

Drop-in improvement for Rails cache

Automatically use UUID v7 for all primary keys in Rails applications. Works with PostgreSQL, MySQL (mysql2 & trilogy), and SQLite, zero configuration required.

Dataset Generation & Benchmarks for RDF.rb

Data structure for quick item lookup via indexes.

Generates date & time events from recurrence rules to support various calendar and scheduling use cases, with an emphasis on speed; the core of the Reprise gem is implemented as a Rust extension to enable its use for performance-sensitive workloads.

gem using RapidJSON as a backend to provide fast validation for JSON schemas

RockMotive provides DCI architecture to Rails

A collection of custom RuboCop cops that enforce best practices from the RSpec style guide, including context structure, testing patterns, and FactoryBot usage.