- UserFocus-User Experience Consulting & Training - www.userfocus.co.uk
- Strategic Web Usability www.usereffect.com
- USERSPOTS - www.userspots.com
- ODTÜ İnsan Bilgisayar Etkileşimi Laboratuvarı - http://ibe.bidb.odtu.edu.tr
- Kamu Siteleri Kullanılabilirlik Sitesi - www.kakis.gov.tr
- Erişebilir Web - "Herkes Web'e erişebilsin diye..." - www.erisilebilirweb.com
- ABD resmi kullanılabilirlik web sayfası - www.usability.gov
- Measuring Usability - www.measuringusability.com
- If you are a usability engineer, user researcher, human factors specialist, interaction designer or an information architect, the UX Bookmark is a resource specially for you. www.theuxbookmark.com
- Jakob Nielsen's Website - www.useit.com