Installation is always side-effect-free (each package is unpacked to its own directory and will not touch shared directories), making it ideal for use with sandboxing technologies and virtualization.
For example, while it will share libraries whenever possible, it can always install multiple versions of a package in parallel when there are conflicting requirements. Zero Install also has some interesting features not often found in traditional package managers. Windows, Ubuntu, Debian, Fedora, FreeBSD and Mac OS X). A single metadata file can be used on multiple platforms (e.g. Instead, it defines an XML metadata format to describe these packages and the dependencies between them. Zero Install does not define a new packaging format unmodified tarballs or zip archives can be used. 0install packages never interfere with those provided by the distribution.
It is intended to complement, rather than replace, the operating system's package management. It allows software developers to publish programs directly from their own web-sites, while supporting features familiar from centralized distribution repositories such as shared libraries, automatic updates and digital signatures.
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