calibre is a free and open source e-book library management application.
Convert LRF (Sony BeBB) files to EPUB, PDF, RTF, and HTML. Also converts PDF and DOCX to EPUB.
Dawn will convert your address book from one program's format to another.
Eine große Auswahl an online Umrechnungstools. Alles dabei was das Physikerherz begehrt
flv converter - transcodiert (!) nach mp4 oder avi
Yacufs depends on FUSE. It allows for the on-the-fly transcoding of various file formats. It is highly configurable.
Beispiel anwendung in der mehrere Bilder in eines gespeichert werden
convert rose: label_A_white.png -geometry +5-15 -composite convert_over.gif