Captain Kill Switch
Close all your open apps in one click
Captain Kill Switch launched on August 23, 2026 with 79 votes, #517 of 23,274 launches that month and more than 95% of that year's launches.
What it does
A quiet menu-bar button that closes every running app the moment you need a clean slate. Free, private, and cross-platform for macOS, Windows, and Linux.
A quiet menu-bar button that shuts down every running app the instant you need a clean slate. No Alt-Tab. No Cmd-Q marathon. Just one calm, decisive click. No bloat, no dashboards, no upsell. Captain Kill Switch lives in the background and waits for the one moment you need it. Click once and every open application closes in milliseconds. Perfect before a presentation, a screen-share, a game, or just to clear your head. Bind a shortcut and fire it from anywhere — no need to find the menu bar. Your panic button is always one keystroke away. A discreet tray icon, nothing more. Minimal memory, no dock clutter, no background CPU. You will forget it is there until you need it. Smart detection…from captainkillswitch.com
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