001 Video Converter, convert any video to iPod, iPad, PSP, iPhone, Zune, Xbox360, The best video audio converters for MP4, Flv(Flash), Avi, Divx, Xvid, H.264, Mkv, Mpg (Mpeg-1,2), Wmv, Rm, Rmvb, Mov, Vob, 3GP, OGG, ASF, WMA, WAV, MP3, AC3, AAC, etc.
SimplePDF is a free and open-source PDF viewer. With its only 2 MB it installs and loads within seconds. It displays PDF and multiple other eBook formats. The program comes in many languages and is very easy to install.