Taskwarrior is an ambitious project bringing sophisticated capabilities to a simple and elegant productivity tool. You'll find it has customizable reports, charts, GTD features, Lua extensions, synching and more, with excellent support!
ackerTodo is a web-based todo list manager which supports multiple users, recurring tasks, multiple languages, categories and much more! It's written in PHP/MySQL.
A "plugin" to CVS which will update the dotProject management suite. It is written in Perl, and will process the cvs commit log, checking for required/optional dotProject parameters for a task, and then update the mysql database which dotProject uses.
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