Performance regression framework and executor.

Read the CPU's performance counters perf_event_open(2)

API manager

This gem allows you to rapidly generate large amount of json in an activerecord application. By relying on postgres' native functionality, we can skip object instantiation and turn active record queries directly into json.

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

Parallel tests, coverage (SimpleCov-compatible) formatters, fixtures/snapshots, assets & DB provisioning—zero runtime deps

Markdown processor like GitHub

Actionable Agile Metrics and Monte Carlo forecasting engine

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

Java helpers for ruby-protobuf/protobuf

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

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.