Version 1.0 now on App Store
The high-performance native
text editor for macOS.
A high-performance text engine wrapped in a beautifully native macOS interface. Built with Swift and AppKit for those who value speed and craft.
TextEngine.swift
ThemeManager.swift
Everything you need.
Nothing you don't.
Native Speed
Built exclusively for macOS with Swift and AppKit. No frameworks, no garbage collection, no lag. Quillon handles 100K+ line files with zero latency.
Tree-sitter Powered
Fast and accurate syntax highlighting for 20+ languages. Smart code folding and semantic navigation that understands your code structure.
Regex Engine
Advanced Find & Replace with full POSIX Regular Expression support.
Dark First
Thoughtfully designed themes that adapt to your system accents.
Crafted for macOS.
Quillon is built to feel like it belongs. It respects your keyboard shortcuts, system colors, and security sandbox.
- iCloud Drive Support
- Apple Silicon Optimized
- Secure & Sandboxed
// Projects & More
quillon.app/
├── src/
├── tests/
└── Package.swift