TNG (Test Next Generation) is a Rails gem that automatically generates comprehensive test files by analyzing your Ruby code using static analysis and AI. It supports models, controllers, and services with intelligent test case generation.

Fast tokenization for Ruby using HuggingFace's Rust-powered tokenizers library. Supports GPT, BERT, LLaMA, Claude, and any HuggingFace tokenizer.

TokenKit provides lightweight, Unicode-aware word-level tokenization with pattern preservation, backed by Rust for performance.

== Build Desktop Apps with Ruby and Web Technologies Tokra is a port of Tauri to Ruby, enabling you to build desktop applications with web technologies backed by Ruby.

Token-aware text chunking for RAG pipelines, powered by Rust

Parse and rewrite source code using tree-sitter with a Ruby-friendly API. Supports multiple languages via dynamic grammar loading.

Ruby bindings for Tree-sitter written in Rust using rb_sys and magnus.

Wrapper around the rust unidecode crate with extra PUL logic

SIMD-accelerated CSV parser - drop-in replacement for Ruby's CSV library. Uses NEON on ARM64 and AVX2 on x86_64 for 2-6x faster parsing. Full API compatibility with CSV::Row, CSV::Table, converters, and all options.

SIMD-accelerated CSV parser - drop-in replacement for Ruby's CSV library. Uses NEON on ARM64 and AVX2 on x86_64 for 2-6x faster parsing. Full API compatibility with CSV::Row, CSV::Table, converters, and all options.

A suite of instrumentation metric primitives that can be exposed through a web services interface.

Wrapper of rust VTracer library, converter of raster images (like jpg & png) into vector graphics

Simple filesystem notification library for Ruby.

Natural language detection with a focus on simplicity and performance. Currently wraps the lingua-rs Rust crate.

An ergonomic Ruby HTTP client powered by Rust's wreq library, featuring TLS fingerprint emulation (JA3/JA4), HTTP/2 support, cookie handling, proxy support, and redirect policies.

Ruby bindings for Wry........

Envoy x-forwarded-client-cert (XFCC) parser written in Rust for Ruby

Userland NAT64 implementation on Linux in Ruby

This gem helps to convert xml strings to json and vise versa

short summary, because RubyGems requires one.