Servo - PHP builder application which uses a combination of a powerful editor and drag & drop to make...
WebKit - WebKit is a layout engine designed to allow web browsers to render web pages.
NetSurf - Small as a mouse, fast as a cheetah and available for free.
KHTML - KHTML is a web-based rendering engine that is entirely based on the KParts technology; widely used by common browsers including Microsoft edge, Chrome, Safari, Google Chrome, Opera, and many more.
Otter Browser - Web browser controlled by the user, not vice-versa.
FindBugs - Findbugs is a tool that looks for bugs in Java code. Findbugs finds the bugs by analyzing computer software without actually executing programs. Using this software allows for easy debugging and repairing broken script. Read more about FindBugs.