ChaCha20 stream cipher algorithm.

Ruby binding for Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit

Double Array Implementation

Ruby bindings for Eigen, a C++ template library for linear algebra. Implemented using SWIG.

Ruby extension for the epeg library which provides facilities for scaling JPEG images very quickly.

Extended backtrace for ruby

Ruby bindings for the fastpbkdf2 C library, providing 10-50x performance improvements over Ruby's built-in PBKDF2 implementation.

FIT files are binary, and as a result, are a pain to parse. This is a wrapper around the FIT SDK, which makes creating a stream based parser simple.

A Ruby binding for the Kùzu embedded graph database.

Ruby bindings to the libstorj C Storj API library

Ruby bindings for lzws library (compatible with UNIX compress).

Olm for Ruby

Ruby PCRE bridge

ruby-prof is a fast code profiler for Ruby. It is a C extension and therefore is many times faster than the standard Ruby profiler. It supports both flat and graph profiles. For each method, graph profiles show how long the method ran, which methods called it and which methods it called. RubyProf generate both text and html and can output it to standard out or to a file.

QDBM is Quick Database Manager of https://fallabs.com/qdbm/. This gem provides QDBM ruby extension libraries (depot/curia/villa). The modifications from original are as follows. 1. The Debian patch is applied for the latest version of ruby. 2. Repacked to rubygems.

Decode raw file of Digital camera with dcraw as ruby gem. If you want to decode, please use this.

RelaxNG compact syntax validator for Ruby

Provides bindings for accessing RPM packages and databases from Ruby. It includes the low-level C API to talk to rpm as well as Ruby classes to model the various objects that RPM deals with (such as packages, dependencies, and files).

A Ruby C extension that enables defining static tracepoints from within a ruby context.

Bindings to the Tcl interpreter for use from within ruby.