A decentralised cross-platform software installation system.

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

Get Zero Install Read the docs GitHub

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
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.
Apr 2020
0install 2.15.2 released, with a separate 0install-gtk opam package, and 0install 2.16 released updating the GUI to GTK 3.
Jan 2020
Introduced apps.0install.net, which provides Zero Install feeds for common tools, libraries and runtime environments. 0install 2.15.1 released and new releases of various Python tools, mainly to support Python 3.
Dec 2019
0install 2.15 released. This provides an alternative OCaml HTTP backend, which makes it easier to distribute the generic binaries without libcurl linking problems.