WeekToDo is a Free and Open Source Minimalist Weekly Planner and To Do
Create sticky notes, to-do list, journals & reminders all in one app
Outliner and time organizer for todo lists, events or scheduling tasks
PHP & MySQL/SQLite -based Project Management System
Manage events and tasks using simple text files.
Simple program that plays alarms to remind you of an event
A GTD-inspired ToDo list manager that tells you what to do next!
Simple console planner written in c++