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OverviewAltTab
Free

Free and open source, supported by GitHub Sponsors.

 Free

The software is free under its open-source licence. Hosting, hardware and external…

macOS macOS
  • Live previews of any app with configurable frame rates
  • Quick switching by click or keyboard shortcut
  • It switches between individual windows with live thumbnail previews instead of macOS's application-level switcher, with…
  • Still in beta
  • macOS only
  • It needs screen recording and accessibility permissions, and thumbnail previews cost some memory on a busy desktop.
Downloadable app Downloadable app
Open source Open source
License not stated License: GPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.