|Original author(s)||Joey Hess|
|Initial release||19 October 2010|
6.20160318 / 18 March 2016
|Operating system||Linux, FreeBSD, Android, OS X, Windows|
|License||GPL3+, AGPL3+ |
git-annex is a distributed file synchronization system written in Haskell. It aims to solve the problem of sharing and synchronizing collections of large files independent from a commercial service or even a central server.
git-annex development began in 2010. In 2012/13 the development was funded through a kickstarter campaign. The main development of this year was the git-annex assistant. This component runs in the background to automate the synchronization of repositories.
The next crowd funding campaign for 2013/14 was organized over a self hosted platform.
git-annex uses git to index files but does not store them in the git history. Instead a symbolic link representing and linking to the probably large file is committed. git-annex manages a content-addressable storage for the files under its control. A separate git branch logs the location of every file. Thus users can clone a git-annex repository and then decide for every file whether to make it locally available.
git-annex is available many ways and notably part of the following distributions