Let users draw a Kasten (German for box) in an X environment and get it's dimensions

ruby wrapper for keyczar crypto library

Use UNIX posix timers to guarantee a process dies after N seconds

Ruby MRI extension for fuzzing Ruby code with afl-fuzz

Kmat is a Ruby gem for matrix operations. Kmat uses BLAS/LAPACK as back-end.

A string matching algorithm wants to find the starting index m in string S[] that matches the search word W[].

A native kNN leave-one-out technique implementation for Ruby based on the 'class' package for R.

A Ruby binding for kqueue(2)

Kreuzberg is a high-performance document intelligence library with a Rust core and native Ruby bindings via Magnus. Extract text, metadata, and structured data from 75+ file formats including PDF, DOCX, PPTX, XLSX, HTML, RTF, images (with OCR), email, archives, and more. Features async/sync APIs, text chunking, language detection, and keyword extraction.

Kryptonita is a Ruby gem that provides a lot of functions for hashing, encrypt and decrypt.

Lancelot provides a Ruby-native interface to Lance, enabling efficient storage and search of multimodal data including text, vectors, and more.

Native Ruby wrappers for Linux Landlock with filesystem and TCP port restrictions for safe subprocess execution.

fast method tracing

Larb provides vectors, matrices, quaternions, and Color classes for 2D/3D graphics and mathematical computations

Ruby class to read large files on 32 bit Linux platforms.

Efficient lazy object proxy

General utility for debugging ruby apps.

Levenshtein ruby lib with unicode support

Levenshtein string distance written in V

Ruby bindings for Libarchive. This is a fork of the libarchive-ruby gem.