The rkerberos library is an interface for the Kerberos 5 network authentication protocol. It wraps the Kerberos C API.

Ruby to Lua bindings

Native implementation to create deep clones of Ruby objects

Provides Beacon scanning functionality

A script engine powered by mruby sandboxie, It's a fork of Shopify's ESS.

Selma selects and matches HTML nodes using CSS rules. Backed by Rust's lol_html parser.

Shades computes data cubes for you from events composed of dimensions and measures.

Zero allocation backtraces using MRI's profile frames API

Native Extension for WebSocket gem

Annual Computer Poker Competition Dealer

Ruby bindings to Argon2, the password-hashing function that won the 2015 Password Hashing Competition.

Like #flatten, but rejecting nils and allowing a block.

BAMFCSV parses csv like a BAMF. BAMF!!

utils for extracting binary integers from binary string and packing them back

BLAKE2 is a C-extension for using BLAKE2s in Ruby

A cryptographic hash function faster than MD5, SHA-1, SHA-2, and SHA-3 for 64-bit systems.

Boolean expression evaluator

Lib implemented in C that calculates and validates CNPJ.

BreakoutParser is a library that parses Breakout custom Textile input

Fast transliteration of Serbian Cyrillic to Latin and back. Brzo preslovljavanje ćirilice u latinicu i obratno.