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.

161
votes
ImpressPages
160
votes
Zen Cart
158
votes
web2py
155
votes
HumHub
154
votes
GlobalSight
148
votes
Microweber
146
votes
Mattermost
136
votes
openSIS
136
votes
elgg
135
votes
Shiny Server