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NixFlatpak
Free

Free and open source under the LGPL.

 Free

The open-source project is available without a license fee.

macOS, Linux, Command line Linux
  • Atomic upgrades and instant rollback of an entire system or profile
  • Per-project development shells that are identical on every machine
  • Sandboxed by default with permissions you can inspect and narrow
  • One package works across distributions through shared runtimes
  • The Nix language and concepts are a genuinely steep learning curve
  • The store grows large and needs regular garbage collection
  • Runtimes are large, so the first few applications cost a lot of disk
  • Sandbox escapes through broad filesystem permissions are common in practice
Downloadable app Downloadable app
Open source Open source
License: LGPL-2.1 License: LGPL-2.1
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 22, 2026

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