TrackDuck - Visual feedback for web design and development.
Ocean - A Community of designers sharing feedback
zipBoard - ZipBoard is a web-based visual bug tracking & issue tracking tool that helps developers, testers and project managers collaborate during website and elearning development.
Wayback Machine - Browse through over 150 billion web pages archived from 1996 to a few months ago.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Airgora - A visual community for physical product designers