• Adobe Acrobat
  Find Adobe Acrobat sites, including Adobe Reader downloads, PDF resources, training, and more.
  
• RealPlayer
  Find sites about the RealPlayer all-in-one media player, music jukebox, and browser, including downloads, their music store, support, and more.
  
• GNU.org
  Dedicated to eliminating restrictions on copying, redistribution, understanding, and modification of computer programs.
  
• World Wide Web Consortium, The (W3C)
  Visit the World Wide Web Consortium (W3C), dedicated to developing interoperable technologies to lead the Web to its full potential. Includes latest news, specifications, guidelines, software, and tools.
  
• CNET Download.com
  Freeware, shareware, and othe software downloads from CNET, including software, music, games, and videos. Read user reviews, or check out the most popular downloads to see what's hot.
  
• IBM
  Directory of official IBM web sites. Includes regional and developer resource sites, publications, and divisions.
  
• Tucows
  Tucows offers free software downloads for PC, Mac, or Linux computers, with games, wallpapers, anti-virus and security programs, ringtones, and file management tools.
  
• OpenOffice.org Project
  Browse a collection of sites devoted to the OpenOffice.org Project from Sun Microsystems.
  
• Slashdot
  Threaded discussions related to news for nerds.
  
• W3C HTML Validation Service
  Friendly, easy-to-use interface to an HTML validation service, based on a real SGML parser.
  
• CNET.com
  CNET provides news, product reviews, and guides for computers, consumer electronics, and other personal technology products.
  
• Java.Sun.com
  Official site for Sun Developer Network featuring Java developer resources, community, documentation, support, news, and Java software downloads.
  
• Wired News
  Covering business, technology, culture, and politics of the digital world.
  
• HTML Goodies
  HTML resource site for HTML projects big and small, including tutorials, tag cheat sheets, how to use graphics, and tips on other web technologies such as XML, CSS, Javascript, and PHP.
  
• Microsoft Windows Update
  Update site for the Microsoft Windows operating system, keeping users' computers updated with the latest security patches and features. Includes Windows updates, Internet Explorer updates, and other software.
  
• Promotion World
  How to promote your site for free.
  
• Apple .Mac
  Email, storage space, digital photo albums, and backup for Macintosh users.