Generate EdgeCast access tokens in Ruby using EdgeCast's encryption algorithm in C.

Calculate edit distance (levenshtein distance)

Very fast and memory-efficient way to join ruby lists of numbers and strings.

Ruby bindings to the Eigen C++ linear algebra library

The gem that never forgets where your fonts are.

Can you embed a binary in a Gem? Can you distribute it to multiple architectures?

Calculate the entropy of data

Ruby bindings for the envelopers envelope encryption library

Ruby library for Enzoic API

Tools to calculate Eddystone ephemeral identifiers

A Ruby binding for epoll(7)

Ruby Extension that allows for reads and writes to the /etc user db.

Ethash is Ethereum's mining algorithm.

EventMachine implements a fast, single-threaded engine for arbitrary network communications. It's extremely easy to use in Ruby. EventMachine wraps all interactions with IP sockets, allowing programs to concentrate on the implementation of network protocols. It can be used to create both network ...

Trace your Ruby function's execution path

Exerb support for mingw/rubyinstaller. Packaged ruby source files and ruby extensions files into a single PE executable file.

Ruby EXIF geo tagger based on libexif.

Helps manage ruby application specific environment variables for multiple apps in development.

extension tut

faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7