A decentralised cross-platform software installation system.

Works on Linux, Windows and macOS. Fully open source.

Get Zero Install Read the docs

Run apps with a single click
Run applications without having to install them first.
Control everything from a command-line or graphical interface.
You control your own computer
You don't have to guess what happens during installation.
Mix and match stable and experimental apps on a single system.
Anyone can distribute software
Create one package that works on multiple platforms.
Publish on any static web host; no central point of control.
With dependency handling and automatic updates.
Security is central
Installing an app doesn't grant it administrator access.
Digital signatures are always checked before new software is run.
Apps can share libraries without having to trust each other.
News
Feb 2026
Zero Install for Windows 2.28.3 and 2.28.4 released. Added support for source parameter in <copy-from>.
Jan 2026
Zero Install for Windows 2.28.2 released. Raised minimum .NET Framework version to 4.8.
Dec 2025
Zero Install for Windows 2.28.1 released. Improved handling of store audits and desktop integration notifications.
Sep 2025
Zero Install for Windows 2.28.0 released. Added --pin and --unpin options.
Aug 2025
Zero Install for Windows 2.27.5, 2.27.7 and 2.27.8 released. Bootstrapper improvements and bugfixes.
Jul 2025
Zero Install for Windows 2.27.0 through 2.27.4 released. Added browser <native-messaging> capability.
Jun 2025
Zero Install for Windows 2.26.7 released. Support for bundling custom stub EXEs in Bootstrapper.
May 2025
Zero Install for Windows 2.26.6 released. GUI aliases for 0install store list and 0install catalog list.
Mar 2025
Zero Install for Windows 2.26.5 released. Improved error handling.
Jan 2025
Zero Install for Windows 2.26.3 released. Improved error handling.