Bringer Task Record Log is a multi-platform application that can helps you to keep a record of time spent on each task that you do.
It can runs on major Operating Systems like Windows 2000 / XP / 7 / 2003/ 2008, in MacOS Systems 10.6 / 10.7 /10.8 and on every Linux distributions supporting some graphical engine like gnome, xfce, lxde and others.
You need the Java Virtual Machine in version 1.7.0 or above.