With ffi-inliner you can run C code within your ruby script.

FFI bindings for the libfreenect OpenKinect library

FFI wrapper for OGR

ffi-opengl is an autogenerated[1] ruby FFI interface towards OpenGL libraries (GL, GLU, GLUT). The FFI layer ensures compatibility among all Ruby implementation that support it. At the moment, this means that you can run the same ffi-opengl script with MRI Ruby and JRuby. ffi-opengl API aims to ...

A collection of common network packets structures in FFI::Struct form for use with bindings to raw network libraries such as libdnet, libnet, or libpcap.

Bindings to libpcap via FFI interface in Ruby.

Ruby bindings for PortAudio.

Comfortably talk with Tcl/Tk using FFI.

Ruby FFI Binding to VMware VixDiskLib.

Manipulate extended file attributes

Sends log data collected by fluentd to Scalyr (http://www.scalyr.com)

FreeType binding by ffi

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

# DECC 2050 CALCULATOR TOOL A C version and ruby wrapper for the www.decc.gov.uk 2050 energy and climate change excel calculator Further detail on the project: http://www.decc.gov.uk/2050 Canonical source: http://github.com/decc/decc_2050_model ## DEPENDENCIES 1. ruby 1.9.2 (including develo...

This gem provides a Guard that restarts Rack apps when watched files are modified similar. Similar to the wonderful Shotgun by rtomayko

Guard::WEBrick automatically starts and restarts WEBrick when needed.

Ruby on Container / helper tools with DSL for your handmade linux containers.

Harfbuzz is a Ruby interface to the Harfbuzz text shaping engine.

A Ruby FFI wrapper around the System11 hidapi C library

Asciidoctor Hyla - Command Line tool to create new project, watch modifications, generate content, publish or consult it live !