Fine grained concurrency for Ruby

Ruby extension that wraps Hiredis (blocking connection and reply parsing)

BlueCloth is a Ruby implementation of John Gruber's Markdown[http://daringfireball.net/projects/markdown/], a text-to-HTML conversion tool for web writers. To quote from the project page: Markdown allows you to write using an easy-to-read, easy-to-write plain text format, then convert it to struc...

Ruby binding for zstd(Zstandard - Fast real-time compression algorithm). See https://github.com/facebook/zstd

phonic is ruby binding for iv AST API

Johnson wraps JavaScript in a loving Ruby embrace.

Johnson wraps JavaScript in a loving Ruby embrace. It embeds the Mozilla SpiderMonkey JavaScript runtime as a C extension.

This library provides statistics features for Enumerable

Generic GeoIP lookup tool. Based on the geoip_city RubyGem by Ryan Dahl

libpcap bindings for Ruby 2.x

Presto PostgreSQL protocol gateway

A Ruby-like language for writing Ruby C extensions. Rubex keeps you happy even when writing C extensions.

Ruby/SerialPort is a Ruby library that provides a class for using RS-232 serial ports.

allocation_tracer gem adds ObjectSpace::AllocationTracer module.

Ruby Trie based on libdatrie.

Encode an image as a small string that can saved in the database and used to show a blurred preview before the real image loads

This gem implements pure Levenshtein algorithm, Damerau modification (where 2 character transposition counts as 1 edit distance). It also includes Boehmer & Rees 2008 modification, to handle transposition in blocks with more than 2 characters (Boehmer & Rees 2008).

gc debugger, logger and profiler for rgengc in ruby 2.1

gc_tracer gem adds GC::Tracer module.

Simple library to parse PostgreSQL arrays into a array of strings