FileInfo.net Database of file extensions with information about each file type. http://www.fileinfo.net/ More Info
Open eBook Initiative to establish a specification for eBook file and format structure based on HTML and XML. http://www.idpf.org/ More Info
W3C Overview of Web Graphics Information from the World Wide Web Consortium on format comparisons, integration into HTML and XML. http://www.w3.org/Graphics/ More Info
Wotsit's Format Detailed file formats and data formats for programmers. A large collection of programming resources with detailed information. http://www.wotsit.org/ More Info
