Boo
Boo is a tiny ghost that tidies your Downloads
Boo launched on July 2, 2026 with 15 votes, #1,090 of 24,623 launches that month and more than 95% of that year's launches.
What it does
Boo is a free, open source menu-bar app for macOS that quietly sorts your Downloads folder as files arrive. Known file types move into the right folder automatically, no setup, no rules to write. See a file type Boo hasn't met before? It pops up once, asks where it goes, then remembers for good. Native Swift, a couple MB, no Electron. Built because Downloads folders shouldn't be a landfill.
Boo is a free, open-source menu-bar app that sorts your Mac Downloads folder automatically. Native, tiny, and a little bit adorable.
Lives in your menu bar, eats your Downloads mess, and sorts it. Native, free, open source. No rules to write, no folders to drag. Boo watches, learns, and quietly puts everything where it belongs. Anything, anywhere. It lands in Downloads like it always has. Known file type? It's moved to the right folder in about a second. It remembers. Same file type next time, same folder, no popup. Grab the app directly, or clone the source and build it yourself. $ git clone https://github.com/dizzpy/boo.git $ cd boo $ bash make-app.sh Enjoying Boo? Sponsor the developerfrom boo.dizzpy.dev
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