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
Oct 2020
Zero Install for Windows 2.18.2 released. This improves support for .7z archives and introduces the app-id attribute on entry points.
Aug 2020
Zero Install for Windows 2.18.1 released. This improves support for .rar and .tar.xz archives.
Jul 2020
Zero Install for Windows 2.18 released. This improves context menu desktop integration (icons, cascading menus, directory background menus) and archive extraction (support for .tar.lz, .tar.zst and .rar).
Jun 2020
0install 2.17 released. This separates the solver into its own module, allowing it to be used by other package managers too. opam-0install uses this to speed up the opam package manager. That project then improved the diagnostics code, which benefits 0install solves too.