http://www.rootsoftware.com

TTMaker by Root Software focuses primarily on event planning. The major variables it uses are "participant", "group", and "venue". These categories correspond respectively to professors, courses, and rooms. The perversive variable "facilities" is the primary constraint beyond those enforced by natural laws.

Good Features:

• Uses four panes to provide a complete view of the the information.
• Menu structure and dialog design is extremely simple.
• Displays other information not useful to the app, but to the human.

• Cannot Drag and Drop cells in schedule table for easy manipulation.
• Forces no conflicts, rather than warn the user and let them resolve it as they wish.
• Limited support for user defined constraints.

• Cannot allocate professors to courses.
• No support for participant preferences.
• No budget related constraints.