You can prove anything with facts!

Provide access to libc terminal funtions.

Provides bindings for many RRD functions (using ffi gem and librrd), as well as DSLs for graphic and rrd building. You must have librrd in your system!

The Sensu spawn process library

Ruby FFI bindings for the Hunspell spell checker.

LLVM bindings for Ruby

Capture Screenshots on Windows with Ruby to bmp, gif, jpg or png formats.

High performance gradient boosting for Ruby

Ruby bindings for Z3 Constraint Solver

A barcode and QR code library that works with regular Ruby (not just JRuby). This gem comes bundled with ZXing C++ (zxing-cpp) and interfaces with it using FFI. As such this gem works with most major Ruby distributions.

A barcode and QR code library that works with regular Ruby (not just JRuby). This gem comes bundled with ZXing C++ (zxing-cpp) and interfaces with it using FFI. As such this gem works with most major Ruby distributions.

A barcode and QR code library that works with regular Ruby (not just JRuby). This gem comes bundled with ZXing C++ (zxing-cpp) and interfaces with it using FFI. As such this gem works with most major Ruby distributions. Modified to not require CMake as a build dependency.

Loads page content into AJAX sections with AJAX links, handling the details for you, load content with javascript into designated page containers. Supports multiple and/or nested AJAX sections. Designed to be easy to use, customizable, supports browser history robustly, supports AJAX forms and has many more features. Degrades gracefully when javascript is disabled.

AWS SDK for Ruby - Common Run Time

Parsing tool for biodiversity informatics

Deterministic Bitcoin Address Generator.

Ruby binding to bitcoin's secp256k1 implementation.

Ruby library to help you build your crypto application on BlockCypher

bloombroom has two bloom filter implementations, a standard filter for bounded key space and a continuous filter for unbounded keys (stream). also contains fast C/FFI FNV hashing and fast bit field and bit bucket field (multi bits).

Bzip2::FFI is a Ruby wrapper for libbz2 using FFI bindings. The Bzip2::FFI Reader and Writer classes support reading and writing bzip2 compressed data as an IO-like stream.