To learn more, read the contest rules. Please do not try to write voting scripts or game the contest for your app, otherwise you risk disqualification.

30
votes
Sakai
30
votes
iko
29
votes
Vanilla
29
votes
Structr
29
votes
Gitolite
29
votes
Guacamole
28
votes
Activiti
28
votes
OpenMEAP
28
votes
Tcl