Some examples that I remember are:

• The Berkshire Hathaway’s website (berkshirehathaway.com)
• The UNIX website (unix.org/version4/)
• Xorg Project website (www.x.org/wiki/)
• Marginalia Web Search (search.marginalia.nu)
• W3C (World Wide Web Consortium) pages containing Standards (e.g.: www.w3.org/TR/controller-document/)
• Pd (Puredata) Project Website (puredata.info)