Stars
Super fast, zero configuration command line HTTP Server.
HTTP load testing for CI/CD — 115K req/s, single binary, JSON output
A wrapper shard for llama.cpp that acts as a client to work directly with AI models through llama.cpp from within Crystal applications
Cross-platform audio library for Crystal: mic capture, system audio, multi-track playback, whisper.cpp transcription
A virtual filesystem for Crystal: unify directories and archives into a single tree with compression, encryption, and chunked storage.
Rails as a specification; the deployment target is a build flag
⚡ A fast Git hook manager written in Rust, designed as a drop-in alternative to pre-commit, reimagined.
Cross-platform base and user directories (UNIX, macOS, Windows)
MyCompiler - A small IR for building programming languages.
Minimalistic API for writing text-based user interfaces in pure Crystal 🍮
A high-performance Ractor web server for Ruby 4.0+: Rack 3-based, with a Rust Tokio/Hyper front-end and Ractor-parallel Ruby workers and threaded fallback mode.
Build native desktop apps with Crystal and a web frontend.
Fast, Declarative, Reproducible, and Composable Developer Environments using Nix
Real-time text-to-speech with Qwen3-TTS
A language-agnostic "shebang interpreter" that enables you to write scripts in compiled languages.
A minimalistic Preact-like signals implementation.
100% private on-device voice models for speech-to-text and meeting transcription on macOS
A high-performance static analysis toolkit for Ruby
Crystal shard: AsciiDoc to PDF converter, equivalent of the asciidoctor-pdf Ruby gem
A Crystal port of the Asciidoctor document processor — AST model and parser
A path query language for JSON, YAML, TOML, and other serialization formats.
User-space pipe for the Crystal programming language
Ultra-efficient personal AI assistant powered by Crystal
Code generator and generated types for Language Server Protocol & Crystal lang