Data vizualisation using wxMathPlot, wxFreeChart or wxCharts (user's choice, hot-pluggable), providing various aggregates and clusters: see the new Charts panel.
Yatish is a desktop time tracking application for freelancers and homeworkers; it is an advantageous alternative to classic spreadsheet-made time sheets. Yatish allows in particular to justify the time spent for a client, or for an employee to control her/his (tele)work time.