ffi

Captcha Gem for Rails, which generates captcha image by Rust.

Ruby bindings for libnotify using FFI.

Ruby FFI bindings for llama.cpp to run open-source LLMs such as GPT-OSS, Qwen 3.5, Gemma 4, and Llama 3 locally with Ruby.

cld3-ruby is an interface of Compact Language Detector v3 (CLD3) for Ruby.

Ruby FFI bindings for libclang 3.4+.

OpenCL bindings for Ruby

Useful Ruby FFI bindings for libc

The foreign function interface database (FFI DB) registry.

Ruby FFI bindings to the native YAJL streaming JSON parser.

Encode and decode internationalized domain names using libidn2, winnls and ruby FFI

A ruby ffi interface to SWI-Prolog that goes both ways.

Ruby FFI-based Mmap interface.

Gem wrapping jsonschema-rs in native extension via FFI

Ruby FFI C bindings for libcups

Neural networks in Ruby & CUDA.

ffi bindings to libdmtx

Ruby library that reads and writes bzip2 compressed data as a stream using FFI bindings for libbz2.

Bit field for Ruby-FFI

Fast Microsoft Excel's XLSX reader. Binding of C's xlsx_drone lib.

Authenticate a Kerberos user using their password, in Ruby. Uses Ruby-FFI to interface with the Kerberos library.