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Fast Ruby Parser inpired by Node

A private fork of mini_racer (minimal embedded V8 for Ruby) adding browser-level behavior used by capybara-simulated: the V8 ES Module API, per-frame realms, realm reset, cross-process bytecode caching, an opt-in host namespace, and a batched module-graph loader with a URL module registry. These are niche browser-fidelity features; general users should use upstream mini_racer. It loads under its own `mini_racer_csim` require path and `MiniRacerCsim` namespace, so it never collides with upstream mini_racer in the same bundle.

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

Return file contens using mmap(2).

MarvelMind Indoor GPS driver.

Mocks the $? global variable in Ruby.

Adds support to Ruby for encrypting, decrypting, signing and validating the signatures of XML documents, according to the [XML Encryption Syntax and Processing](http://www.w3.org/TR/xmlenc-core/) standard, by wrapping around the [xmlsec](http://www.aleksey.com/xmlsec) C library and adding relevant methods to `Nokogiri::XML::Document`.

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Ruby Bindings for libmonsterengine

A minimal, secure Python interpreter for AI agents — Ruby bindings via Magnus

Apply simple edits to images

Morph client for Ruby

Implementation of Charikar simhashes in Ruby

Ruby binding against libmosquitto (http://mosquitto.org/) - a high performance MQTT protocol (http://mqtt.org) client