Description of Two Due program at Mac Shareware: Two Due is a To Do List manager that does more than most.

Two Due is a To Do List manager that does more than most. Some of its special features are: recurring To Do items, so that they can be scheduled to occur on a regular basis; multiple sorting and selection fields; multiple files with remembered viewing options for each; extra fields for each To Do item, such as a multi-line Description, Outcome, Sequence and Web Page; automatic Web Publishing; multiple category levels; archival of closed items; alerts; and automatic meeting agenda scheduling.

Two Due is a completely free software. You can free download and use it as long as you like.