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.

62
votes
Octopress
61
votes
HumHub
60
votes
Gogs
60
votes
Nibbleblog
57
votes
Indico
57
votes
Vert.x
55
votes
OpenFire
54
votes
openSIS
54
votes
OTRS