SOGo
Free
Free and open-source groupware server · GNU GPL/LGPL v2 and above
Checked 12 Oct 2001
Plans and prices
SOGo pricing
Community support
Free
Mailing list · FAQ · Documentation · No official release access
Checked 12 Oct 2001
Sponsorship
$500 a year
Release access · Nightly builds · Support via mailing list, FAQ, and documentation · Unused tickets are not extended
Checked 12 Oct 2001
Silver
$1,500 a year
10 incidents · 4-business-hour acknowledgement · Release access · Bug fixes for current version · Portal tickets and live Visio
Checked 12 Oct 2001
Gold
$5,000 a year
30 incidents · 2-hour acknowledgement · 4 consulting hours · Priority bug fixes · Portal tickets and live Visio
Checked 12 Oct 2001
Platinum
$7,500 a year
50 incidents · 2-hour acknowledgement · 6 consulting hours · Priority bug fixes · Portal tickets and live Visio
Checked 12 Oct 2001