A highly parallel Perl 5 interpreter written in Rust
Ruby parser
Safety layer for Claude Code: classifier-gated bash hook + MCP server blocking dangerous command compositions.
Release management tooling focused on sanity retention
Core library for scrat
Ruby dynamic programming language parser with support for object-oriented programming and modern Ruby features.
Simple document generator from yaml template
Lightning-fast SQL indenter and linter powered by PostgreSQL's parser
UTF-8 string and byte string interner and symbol table
The simple transpiler infrastructure for every platform
Mechanically rewrites ruby/spec files into the assert_eq / assert_raises shape rubyrs's micro-runner understands.
High-performance PEG parser library with packrat memoization and arena allocation
Literate Ruby is a small preprocessor that allows embedding code within text files and then loading them as programs.
Literate Programming, with Ruby.