eagle
Printed circuit board design tool
florence
extensible and scalable virtual keyboard for X
Florence is an extensible scalable virtual keyboard for X.
oregano
tool for schematical capture of electronic circuits
Oregano is a GNOME application for schematic capture and printing of
electronic circuits. It can simulate the circuits using Gnucap,
ng-spice or Berkeley spice.
aspic
Line art generator
Aspic is a program that generates line art images from a text
description of a picture that contains commands such as "line", "box",
"circle", and "arc". Aspic's concept is similar to the "pic" command.
Output is either encapsulated PostScript, or Scalable Vector Graphics
(SVG). Quite complex pictures can be constructed from Aspic's
primitives, which include facilities for positioning text alongside
graphics, and the use of colour.
openclipart-libreoffice
clip art for OpenOffice.org/LibreOffice gallery
The Open Clip Art Library is a collection of 100% license-free,
royalty-free, and restriction-free art that you can use for any purpose.
debsums
tool for verification of installed package files against MD5 checksums
debsums can verify the integrity of installed package files against
MD5 checksums installed by the package, or generated from a .deb
archive.