HEATKEYS

Thousands of file extensions with detailed information about each file type, including a list of programs that open the files.

Linux blog by Vivek - Includes news, help, tutorials, programming, tips and how-to guides for Linux, UNIX, and BSD.

The place for computer tips and tricks! microsoft windows, open source, database, programming, freeware and etc

Notebook and Laptop Reviews and Discussion

Computing.Net is one of the biggest and oldest technical support web sites. It can help almost anyone obtain technical support for their computing needs.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

A help and support forum for Ubuntu Linux.

The Windows Secrets Newsletter brings you essential tricks of running Microsoft Windows XP, Vista, Internet Explorer, Firefox, Windows Update, and more — weekly, free.

Downloadatoz.com offers complete common file extensions list with detailed information about each file extensions and the programs that open the file format.

Find which Windows software can open a file with specified extension

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Chmox is a 100% native Cocoa application to read CHM (compiled HTML) ebooks on Mac OS X