gnubiff is a mail notification program that checks for mail, displays headers when new mail has arrived and allow to display first lines of new mails. Multiple protocols and frontends are supported.
regexxer is a nifty GUI search/replace tool featuring Perl-style regular expressions. If you need project-wide substitution and you're tired of hacking sed command lines together, then you should definitely give regexxer a try.
Simple GTK2 application allowing users to manually toggle devices attached to a parallel port device on or off (through the D0->D8 data lines), or run an automatic sequence based on a simple language contained in this program. Good for driving relays, etc
Strip Charts for GtkPlot provides a set of GTK widgets for creating
strip plots of numeric data. Horizontal 'strips' of data are
ganged; supports
multiple color-changing limit (alarm) lines,
multiple scrollable cursors (with callbacks).