(First Things First)
So far none of the free project planners do time accounting very well. Well, neither does ftf but it DOES let you do clumsy but functional time accounting. What do I mean by time accounting? You can tell ftf how many hours a week you have for a class of projects (example: work and home) and then when you input a time required for a project and what bucket to take that time from then ftf will estimate when you will be done with the project. If you will be late then ftf blocks that out in red.
The Agenda (written in Ruby for fltk) version doesn't show lateness of a project. The categories are currently hard coded but I use it for my daily planning.
4/10/2003 I am about 80% ready with the next release and expect to get it out here May/June 2003. It is a spare time thing so don't hold your breath!
If you want to run on a i386 Linux machine you can install the following .debs ruby_1.6.8-1_i386.deb, fltk_1.1.4rc2-1_i386.deb, ruby-fltk_0.9.0-1_i386.deb. I'm sure these break something - they were made using checkinstall (i.e. they are not proper .deb packages). They work for me. To run on the agenda you need to install ruby which can be found here http://agtoys.sourceforge.net/ruby/.
The original version of ftf can be found here.ftf.tar.gz
You can visit the sourceforge page here: sourceforge.net/projects/ftfplan
Note that you should download and install STk from kaolin.unice.fr and ensure it works before attempting to get ftf working. ftf should work on most Unix like oses and on windows (untested).
License is GPL, there is no warranty and support is catch as catch can. See the file COPYING for details. Generally I do like to hear from folks trying out ftf and I do intend to continue improving it.
Agenda ftf:

ftf itself:

add item:

matt at essentialgoods com