Official master site via HTTP/FTP

We recommend cascaded mirroring:
Tier-1 mirrors: These mirrors read daily from the master site and might also act as rsync servers.
Tier-2 mirrors: These mirrors read from the tier-1 mirrors (these sites may be 1-2 day(s) behind the master site)

GRASS GIS Wiki mirror:

African Web site mirrors HTTP:

Asian-Indian Web site mirrors HTTP:

  • India (Tier 2, Indian Institute of Science, Bangalore)
  • Japan (Tier 2, Osaka City University)
  • South Korea (Tier 2, Gyung-Nam National University of Science & Technology)

European Web site mirrors HTTP:

  • Italy (Tier1)
  • Czech Republic (Tier2, Czech Technical University in Prague, Department of Geomatics)

US Web site mirrors HTTP:

  • USA (Tier 2, St Louis)

Become a GRASS GIS Web site mirror!

Please consider to contact us, ideally reporting your already running mirror.

A GRASS mirror site requires around 14 GB space, the space requirements may vary due to the changing presence of precompiled binaries.
If you would like to support the GRASS community, do not hesitate to set up your mirror site.

How to set up a mirror site:
The master site hosted at OSGeo ( can be mirrored with the "rsync" software protocol, allowing to synchronize mirrors automatically overnight. The idea of using "rsync" mirror software is that only changed files are transferred which minimizes the network traffic.

Mirror site setup in greater detail:

  1. Install the rsync software.
  2. Check if you can connect - note the two '::' characters (this command should display a welcome message):
    • rsync -az --port=50026 grass-website
  3. Define a daily cron-job (in 'crontab') for rsync (example):
    /usr/bin/rsync -az --port=50026 /mirror/grass-website
    This will copy/update the GRASS site to your local directory /mirror/grass-website/ which needs to be made available in your web server.
  4. Check if the synchronization works the next day(s).
  5. Announce the new mirror site for this mirror list to us.

Mirrors | Last change: 01-Jul-2020