Protocol Buffers are Google's data interchange format.

A super fast http parser for ruby. Cross platform and multiple ruby implementation support thanks to ffi.

Ruby FFI bindings for llhttp.

The scrypt key derivation function is designed to be far more secure against hardware brute-force attacks than alternative functions such as PBKDF2 or bcrypt.

Argon2 FFI binding

Ruby wrapper for libwebp

bloombroom has two bloom filter implementations, a standard filter for bounded key space and a continuous filter for unbounded keys (stream). also contains fast C/FFI FNV hashing and fast bit field and bit bucket field (multi bits).

Ruby & JRuby gem with fast string edit distance algorithms C implementations with FFI bindings

Ruby & JRuby gem with a fast k-d tree C implementation using FFI bindings with support for latitude/longitude and geo distance range search

Ruby bindings for webview

Allows transport layers outside Ruby TCP to be secured.

Ruby library for Enzoic API

A Krippendorff Alpha implementation for std-ruby Matrix library

numerical solution for ordinaray differential equations

numerical solution for equation

numerical solution for integral

numerical solution for partial differential equations

numerical solution for simultaneous ordinaray differential equations

Ruby library for PasswordPing API

Ruby bindings for the Ergo-Lib crate of Sigma-Rust. Specifically for chain types and abstractions, json serialization, box selection for tx inputs, tx creation, and signing.