Gems with native extensions are the main bottleneck for a user when running `bundle install`. This gem aims to provide the Ruby community an easy to opt-in and quick way to distribute their gems with precompiled binaries. This toolchain works with a native CI based compilation approach using Git...

Custom ICU rulesets for collation in ruby - requires libicu

interface to the rdkafka C library

Native Ruby extension for running clamav scans

Ruby bindings for clang C API

Collect statistics about Class and Modules.

A Ruby wrapper for the SKIP2 REST APIs

A comprehensive clustering toolkit for Ruby, providing UMAP, PCA, K-means, HDBSCAN and more. Built on top of annembed and hdbscan Rust crates for blazing-fast performance.

C binding for cmetric library.

CNifti is a wrapper for the standard C NIfTI 1 library found at http://afni.nimh.nih.gov/pub/dist/src/nifti/

A ruby library that wraps libcogito

Currently contains four options (ciede 76, cmclc, ciede94, and ciede2000) (all here: https://en.wikipedia.org/wiki/Color_difference), all weighted so that the distance between rgb 0,0,0 and rgb 255,255,255 will be 1.000 (accurate to 4 decimal places). Will add more. All are my own implementations...

Ruby bindings for Google's Compact Encoding Detection C++ library

Compix for oilypng

This is a Captcha gem for Rails Applications. It drawing captcha image with C code so it no dependencies.

Provides a class (CongruenceSolver) for finding the modular zeros of a polynomial (given the coefficients and modulus) and a binary (csolve) to to solve your congruences at the command line.

A string hash function that returns the same value each time it's called.

A Flex/Bison based JSON parser

Simplification of convolver gem, FFTW removed, suitable only for smaller kernels. Convolver gem author is Neil Slater, slobo777@gmail.com, https://github.com/neilslater

Utilities for working with COBOL copybooks and file conversion.