Ruby binding for marisa-trie which is a static and space-efficient trie data structure.

implements String#match_at

MAX31855 thermocouple sensor library

An unofficial high-performance Rust-based gem for reading MaxMind DB files. Provides API compatibility with the official maxmind-db gem while leveraging Rust for superior performance. This library is not endorsed by MaxMind.

Generic GeoIP2 lookup tool.

CSS parser/transformer for Mayu Live

This is a native ruby binding to libmdbx, an improved version of the Lightning Memory Mapped Database. libmdbx is an extremely fast, compact, powerful, embedded, transactional key-value database, with permissive license. libmdbx has a specific set of properties and capabilities, focused on creating unique lightweight solutions.

Majordomo - A Ruby binding for libmdp (Majordomo implementation in C)

Ruby bindings for MeCab, a morphological analyzer, with libmecab and naist-jdic so that you can use easily at Heroku

Extracts metadata from media files with mediainfo shared library

Meow Hash C extension for Ruby

Library for working with the Metawork agent using a variety of integrations.

Function module similar to `filter` in MatLab or Octave.

Fast Ruby Parser inpired by Node

A min max heap extension for Ruby

Mizu is a Ruby port of h2o/picohttpparser, designed to be merged in next generation of midori.

Unofficial MJIT utilities

Tool to generate bison parser C extensions

Ruby C extension wrapping the ML-DSA post-quantum digital signature algorithm (NIST FIPS 204, formerly CRYSTALS-Dilithium). Bundles the PQClean clean C implementation for all three parameter sets: ML-DSA-44 (NIST Level 2), ML-DSA-65 (Level 3), and ML-DSA-87 (Level 5). Supports both hedged (randomized) and deterministic signing modes.

The Mmap class implement memory-mapped file objects