Calls For Proposal App
manage a conference CFP
Catarse
open-source crowdfunding platform
Ekylibre
farm management information system
Errbit
open source, self-hosted error catcher
HellRaiser
vulnerability scanner
Hitobito
full-scale group hierarchy management
OneBody
church management software
OpenSourceRails.org
the codebase to this site
Pig CI
Rails performance monitoring, plus CI
Punchclock
simple electronic punch clock
Reservations
equipment loans and reservations software
SmartVPN Billing
billing management for hosting