Capture Screenshots on Windows with Ruby to bmp, gif, jpg or png formats.

High performance gradient boosting for Ruby

A barcode and QR code library that works with regular Ruby (not just JRuby). This gem comes bundled with ZXing C++ (zxing-cpp) and interfaces with it using FFI. As such this gem works with most major Ruby distributions.

A barcode and QR code library that works with regular Ruby (not just JRuby). This gem comes bundled with ZXing C++ (zxing-cpp) and interfaces with it using FFI. As such this gem works with most major Ruby distributions. Modified to not require CMake as a build dependency.

AWS SDK for Ruby - Common Run Time

Deterministic Bitcoin Address Generator.

Ruby library to help you build your crypto application on BlockCypher

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).

Bzip2::FFI is a Ruby wrapper for libbz2 using FFI bindings. The Bzip2::FFI Reader and Writer classes support reading and writing bzip2 compressed data as an IO-like stream.

Ruby FFI bindings for the OSX Cocoa API

This gem provides linters for detecting common 'smells' in `.feature` files. In addition to the provided linters, custom linters can be made in order to create custom linting rules.

FFI bindings for Aspell

This gem provides an interface to access novation's launchpad programmatically. LEDs can be lighted and button presses can be evaluated using launchpad's MIDI input/output.

High performance gradient boosting for Ruby

Mongrel2 Rack handler and pure handler. Works with Rack, so it works with Rails!

Mastercoin wallet using QT bindings to create a useful gui wallet

FFI based Ruby wrappers for Core Foundation

Use pHash with ruby

Provide access to libc terminal funtions.

The engine powering your Rails frontend