Userfeed - Product feedback made for Intercom
Support Details - Make tech support easier by examing their browser details
Fider - Fider is an open source, cross platform and free to use customer feedback platform for companies...
browserling - Live interactive cross-browser testing from your browser.
ClearFlask - Open-source Product Feedback Tool with a Public Roadmap and Announcements.
WhatsMyBrowser.org - What browser am I using? What version is my browser? WhatsMyBrowser.org is the easiest way to find information about your browser, and share it to your designer, developer, or support rep.