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.

66
votes
Neo4j
66
votes
WebSVN
64
votes
web2py
62
votes
Subrion
59
votes
Etherpad
59
votes
Zimbra
59
votes
PHPmotion
59
votes
ATutor
58
votes
Graphite