frab is a conference planning and management system. It helps to collect submissions, manage talks and speakers and create a schedule.

Manage helpers, teams, rooms, shifts, news and meetings
Available in German and English (translatable)
Supports any event size: from a few dozen helpers to thousands
Comprehensive shift overview with filters
Import shifts from Frab
Export shifts to iCal
Presence management
Reward system
Messaging system
Question and answer system
Team descriptions in Markdown
Detailed log about all changes