A fast library for Constructive Solid Geometry

Simple wrapper around libcups to give CUPS printing capabilities to Ruby apps.

Given packages, versions, and a dependency graph, find a valid assignment of package versions

Ruby FFI bindings for libclang C interface.

A generator for Ruby FFI bindings, directly from header files via LLVM's Clang compiler

Ruby FFI bindings for the Hunspell spell checker.

An FFI wrapper around ncursesw 5.x for MRI Ruby 1.8.x, 1.9.x and JRuby.

This gem provides only the FFI wrapper for the ZeroMQ (0mq) networking library. Project can be used by any other zeromq gems that want to provide their own high-level Ruby API.

A generator for Ruby FFI bindings, directly from header files via LLVM's Clang compiler

Automatically reloads your Rack based app on file change using Guard.

Nested OpenStruct optimized for short-lived objects.

Ruby 1.8's IO.select() smashes the stack when given >1024 fds, and Ruby doesn't implement IO.poll().

krypt provides a unified framework for Ruby cryptography by offering a platform- and library-independent provider mechanism.

The implementation of the Open Assets Protocol for Ruby.

Client for accessing the Hive/Steem blockchain.

Provides bindings for many RRD functions (using ffi gem and librrd), as well as DSLs for graphic and rrd building. You must have librrd in your system!

Ruby wrapper for OS X's keychain

LLVM bindings for Ruby

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

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.