Useful free / open source software

Here are programs and utilities I use. Please share with me your kind feedback and suggestions about better software that might be: (open source, free, more stable, better performance, has more features).

Pc Utilities:

1. CD ROM emulator, read CD and DVD images.
2. ImgBurn, CD burning and CD image creator.
   
3. SUPER, the perfect FREE video converting program.
4. DVD Flick, DVD authoring program. I tried version 1.3.0.7 build 738 and it is much better from the following one (DVD Styler version 1.7.3). I have mentioned it just to give the chance to try it.
5. DVD Styler, DVD authoring program.

Programming tools:
IDEs:

1. Eclipse

Tex editors:

1. Note pad ++. It supports column mode.