Fast Bit String to Ruby Arrays of IDs, using C for magical speediness. Perfect for use with Redis Bit sets

an attempt at a fast_blank for JRuby

Native C implementation of #combine function used by rom-rb.

Haversine great-circle distance formula implemented as C extension

Faster Implementations of ActiveSupport Methods

Native Ruby extension to filter a list quickly.

Ruby wrapper around C matrices implementation

Retrieves the source code for a method (and its comment) and does it faster than any other existing solution

Ruby bindings for fastpbkdf2

Hash#slice implemented in C

Mongo on Speed

Fast Ruby Hash to XML and XML to Ruby Hash converter written in pure C

A faster implementation of getting the current local 4 digit year.

Fast Base64 C extension

Ruby binding for FFmpeg library

A Ruby interface to FFmpeg's libavformat and libavcodec. It allows you to query metadata from a wide variety of media files through some simple classes.

A native extension for the FFTS library.

fiemap ioctl wrapper

FigureSet is the library which treats set operation.

ESRI FileGDB bindings for ruby