GenieTerm

GenieTerm is a native macOS terminal focused on performance and usability.

Top half is a real terminal. Bottom half is a simple command composer you can edit with mouse/keyboard and send instantly.

Product Principles

• Fast by default: keep the hot path small and predictable.
• Native by default: behave like a macOS app, not a web wrapper.
• Minimal by default: only ship features that improve daily terminal work.

What We Open Source

This repository includes the full product-critical stack:

• Rust terminal core (PTY, ANSI parser, screen buffer)
• Native macOS app (SwiftUI/AppKit + CoreText rendering path)
• FFI boundary and headers
• Benchmark and regression tooling
• Documentation, roadmap, and contribution guides

Open-source scope details: OPEN_SOURCE_SCOPE.md

Quick Start

Download:

• Latest release

Build from source:

./run.sh

Manual build:

cargo build --lib
cd native/GenieTerm
swift build
swift run

Requirements:

• macOS 13+
• Rust 1.70+
• Swift 5.9+

Performance

v0.2.0 vs v0.1.0 (20-run median): parser throughput improved ~6x, hot snapshot latency improved ~185x, snapshot payload reduced ~203x.

Reproduce and inspect full results:

• benchmarks/README.md

Project Docs

• ROADMAP.md
• CLAUDE.md
• CONTRIBUTING.md

License

MIT