Manage macOS "Open With" defaults and URL scheme handlers — CLI, TUI, and native GUI
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Updated
Oct 2, 2026 - Rust
Manage macOS "Open With" defaults and URL scheme handlers — CLI, TUI, and native GUI
Bring back the classic Windows Photo Viewer on Windows 10 and 11.
Manage macOS default applications for file types, extensions and URL schemes — CLI, GUI and PrefPane
View and set default application associations on macOS — modern replacement for duti and SwiftDefaultApps
Choose which app opens every file type on your Mac. Native SwiftUI, Liquid Glass, English & Tiếng Việt.
Give any Mac app the name and icon you already know. The app underneath does not change. Free, open source, signed and notarised.
Set which app opens what on your Mac: file types, extensions, links, and extensionless files like .env and Dockerfile. Free and open source, for macOS 26 and later.
Set which app opens which kind of file on macOS — a whole category at a time. Every change is reviewed before it is applied.
Windows 11 default-app drift monitor with COM-backed verification and a real registry notification gate.
Native macOS app to view and change default apps for file types, extensions, UTIs and URL schemes.
Easy way to setup default apps on linux. Build with GTK
Fixes broken Windows file associations by clearing bad per‑user overrides so files open with the right apps again.
让你的设置永远保持默认
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