This gem implements pure Levenshtein algorithm, Damerau modification (where 2 character transposition counts as 1 edit distance). It also includes Boehmer & Rees 2008 modification, to handle transposition in blocks with more than 2 characters (Boehmer & Rees 2008).

gc_tracer gem adds GC::Tracer module.

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Implements the DataObjects API for Sqlite3

Fast Json Parser

Markdown processing for GitLab Flavored Markdown

Use jemalloc as default allocator, everywhere!

Jump consistent hash implementation for Ruby

This gem was originally added to the Metasploit Pcaprub gem. It's been spun out into its own gem for anyone who might want to programmatically get information on their network interfaces.

Ruby interface for the taglib C++ library, for reading and writing meta-data (tags) of many audio formats. In contrast to other libraries, this one wraps the C++ API using SWIG, not only the minimal C API. This means that all tags can be accessed.

`css_inline` inlines CSS into HTML documents, using components from Mozilla's Servo project. This process is essential for sending HTML emails as you need to use "style" attributes instead of "style" tags.

Ruby/GSL is a Ruby interface to the GNU Scientific Library, for numerical computing with Ruby

The openwsman gem provides a Ruby API to manage systems using the WS-Management protocol.

Ruby conversion of RPi.GPIO Python module

Tracking of retained objects in CRuby

A kdtree is a data structure that makes it possible to quickly solve the nearest neighbor problem. This is a native 2d kdtree suitable for production use with millions of points.

LLRB is LLVM-based JIT compiler for Ruby. Note that this gem can be only installed to fork of CRuby.

A very fast way to turn TeX math equations into beautifully rendered SVGs, to embed on the web. This library is mostly written in C and is a general purpose wrapper to GNOME's Lasem.

Pacer defines composeable routes through a graph and then traverses them very quickly.

A gemified version of Syck from Ruby's stdlib. Syck has been removed from Ruby's stdlib, and this gem is meant to bridge the gap for people that haven't updated their YAML yet.