IBM techexplorer is a plug-in for Netscape Navigator and Microsoft Internet Explorer, enabling the display of TeX, LaTeX, and MathML documents and the publishing of interactive mathematical and scientific material on the Web.
Sticky Notes provides a way to have little sticky notes on your desktop. It is similar to knotes but does not require KDE and features better configurability.
yEd is a powerful graph editor that is written entirely in the Java programming language. It can be used to quickly generate drawings and apply automatic layouts to all kinds of diagrams and networks.
It generates an animation from a text layer. The effect looks like a laser, burning the text into the background.
The animation can be saved as animated GIF afterwards. It is intended to be used on websites.
Very precise typographic system creates printable PostScript or PDF output from source text file using special markup language. Source files are platform-independent and may be written in any plain-text editor. Formatting is done by inserting \foocommand{parameter1}{parameter2} directly into text. TeX converts the source file into final file (it's a batch processing, not interactive). TeX may be used for typesetting of various texts, especially for long scientific articles with complex mathematical formulas decent number of images.