GRASS GIS is free software, anyone may develop his/her own extensions. The GRASS Add-ons Wiki page contains a growing list of links to GRASS GIS extensions, which are currently not part of the standard distribution.

Addons manual pages

Installation of available Add-ons

Please use the extension manager (g.extension or via GUI), see here.

Developing new Add-ons

Please upload your add-ons to GRASS Add-ons repository. Further details about gaining access to our GitHub repository can be found in this document.

Source code

The Add-ons source code is available here:

You can get it directly with (requires the git client):

git clone

Available Add-ons and build logs

Download >> Add-ons | Last change: 10-May-2020