Pine

A native macOS code editor for CLI-agent workflows.

Pine keeps CLI agents in the terminal and the code in view. It reflects agent activity, file changes, diagnostics, and Git context across a fast native workspace without turning into another AI dashboard. Built with SwiftUI and AppKit for macOS 26 Liquid Glass — no Electron runtime.

Features

• Native macOS — SwiftUI + AppKit, Liquid Glass UI, system text handling. No browser engine, no runtime
• Agent-aware workflow — Detects supported CLI agents, marks active terminal tabs and attention states, and provides activity history with undo for agent changes
• LSP code intelligence — Diagnostics, completion, hover, go-to-definition, code actions, rename, and a Problems panel
• Syntax highlighting — bundled grammars for Swift, TypeScript, Python, Go, Rust, Java, Kotlin, Ruby, C/C++, and more
• Split panes — Drag tabs to edges to split horizontally or vertically. Drag between panes to move. Resize with divider
• Built-in terminal — Full VT100/xterm emulator via SwiftTerm. Multiple tabs, themes, TUI apps, clickable file and OSC 8 links, send-to-terminal, pane maximize, and a global quick-terminal hotkey
• Lightweight extensibility — User grammars, tasks, and keybindings without an extension marketplace
• Git integration — File status in sidebar, diff markers in gutter, blame view, branch switching from title bar or Git menu
• Symbol navigation — Jump to functions and classes with Cmd+R
• Code folding — Fold/unfold blocks from the gutter or via menu
• Minimap — Scaled code overview with syntax colors and diff markers. Click to navigate
• Find & replace — In-file and project-wide search with .gitignore support
• Quick Open — Fuzzy file search with Cmd+P
• Markdown preview — Source, rendered, or side-by-side via swift-markdown
• Status bar — Cursor position, line endings, indentation style, file size
• Bracket matching — Highlights matching pairs while skipping strings and comments
• File management — Reveal in Finder, duplicate files with Finder-like naming
• Large file handling — Progressive loading for 10 MB+ files, optional highlighting disable for 1 MB+
• Strip trailing whitespace — Automatically cleans up on save
• Validation & format on save — YAML, shell, Dockerfile, and Terraform diagnostics with language-aware formatters
• Auto-save & session restore — Picks up where you left off
• Auto-updates — Built-in via Sparkle
• Localized — English, German, Spanish, French, Japanese, Korean, Portuguese (BR), Russian, Simplified Chinese

Screenshots

Welcome Screen

Built-in Terminal

Markdown Preview

Install

Homebrew (recommended):

brew tap batonogov/tap
brew install --cask pine-editor

Direct download: grab the latest .dmg from Releases.

Build from Source

Requires macOS 26+ and Xcode 26+. Pine keeps a macOS 26.0 deployment target while also checking source compatibility with the current macOS 27 beta SDK.

git clone https://github.com/batonogov/pine.git
cd pine
sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
xcodebuild -project Pine.xcodeproj -scheme Pine build

Dependencies resolve automatically via Swift Package Manager on first build.

Keyboard Shortcuts

Shortcut	Action
Cmd+P	Quick Open
Cmd+Shift+O	Open folder
Cmd+S	Save
Cmd+Option+S	Save All
Cmd+Shift+S	Save As
Cmd+Shift+D	Duplicate file
Cmd+W	Close tab
Cmd+F	Find
Cmd+Option+F	Find & Replace
Cmd+G / Cmd+Shift+G	Find Next / Previous
Cmd+E	Use Selection for Find
Cmd+L	Go to Line
Cmd+R	Go to Symbol
Cmd+/	Toggle comment
Cmd+Shift+B	Switch branch
Cmd+Shift+M	Toggle minimap
Cmd+Shift+P	Markdown preview
Ctrl+Option+Down / Up	Next / Previous change
Cmd+`	Toggle terminal
Cmd+T	New terminal tab
Cmd++ / Cmd+-	Zoom in / out
Cmd+0	Reset font size

Architecture

MVVM with SwiftUI views backed by AppKit via NSViewRepresentable. The editor core uses the native NSTextStorage/NSLayoutManager/NSTextContainer stack. Syntax highlighting runs asynchronously on a background queue with generation tokens to prevent stale results. Git operations run in parallel via GCD. Project-wide search uses Swift concurrency with sliding-window parallelism.

Contributing

Contributions are welcome. Please open an issue first to discuss what you'd like to change. See the Issues page.

License

MIT