is the file extension source. Here you'll find a collection of file extensions; many linked to the programs that created the files. This is the FILExt home page.
tries to cover every single aspect of tracking, every single tracker, and every single machine available ever. It's intended to become the most comprehensive guide to tracking ever made, and a one-stop source of help for every level of tracker out there.
manages the associations between file name extensions and file types stored in the Windows registry. These stored file types determine the appearance and actions supported for a file by Windows.