Home - UserBenchmark
OpenUserJS
UserTesting: Usability Testing Made Easy
User Friendly 2015，体验驱动大未来（User Friendly 2015，The Future, Powered by eXperience）
User Upload - Make Money Uploading Files - Easy way to share your files
Feedback & Online Help Desk Software | UserVoice
User Interviews
MSPoweruser - All of Microsoft, all of the time
Testmoz - The Test Generator
UserReport | Free and easy tools for getting user feedback and data
Restyle the web with Stylish! - userstyles.org
UserGuiding says…
Interaction Design Building a better user experience
HTTP Server Test Page powered by CentOS-WebPanel.com
Online customer support solution - forum, ticketing service, livechat and knowledgebase by UserEcho
Dynamics User Group | Navision Forum | Axapta Forum | Dynamics NAV Forum | Dynamics AX Forum
Userscripts.org: Power-ups for your browser
HUDUser.gov | HUD USER
Mobile Usability Testing | App User Testing
MacUser.de