A small Ruby library for constructing parsers in the PEG (Parsing Expression Grammar) fashion. Parsanol provides Parslet-compatible API with additional features including static frozen parsers and dynamic parsers, with optional Rust native extension for improved performance.

Provides nice, programmatic access to fasta and fastq files, as well as providing Sequence and Quality helper classes. No need for BioRuby ;)

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

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

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.