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.

Useful Ruby FFI bindings for libc.

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 CLI with helpful QA tools for iOS and Android from the command line

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

Hallon allows you to write Ruby applications utilizing the official Spotify C API.

Beat Heroku's 60s boot timeout with a forward proxy.

LevelDB for Ruby

Ruby-ffi based lib to access Tokyo Cabinet and Tyrant. The ffi-based structures are available via the Rufus::Tokyo namespace. There is a Rufus::Edo namespace that interfaces with Hirabayashi-san's native Ruby interface, and whose API is equal to the Rufus::Tokyo one. Finally rufus-tokyo includ...

Stylish tables in your terminal.

LLVM bindings for Ruby

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.

Deterministic Bitcoin Address Generator.

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).