Excellent task list manager: RememberTheMilk software.
However, one downside to RememberTheMilk is its lack of a user-friendly UNIX command line tool.
The software is composed of two parts: RTMAgent.pm and rtm, both written in Perl. RTMAgent.pm is a Perl module that implements the low-level API by providing users with a UserAgent object that enables them to call all of RTM's API methods as normal Perl methods. On the other hand, rtm is a Perl script that uses RTMAgent to provide users with a command-line interface.
To use this software, you'll need Perl and XML::Simple. This release also introduces new features such as support for undo, displaying task notes, and access to RTM through proxies.
Overall, RememberTheMilk is an excellent software for managing your tasks, although it could use some improvement on its UNIX command line interface.
Version 0.3: N/A