OWASP / wstg

A community-written guide covering methods and test cases for security testing web applications and web services.

isocpp / CppCoreGuidelines

A collaboratively written set of best-practice rules and guidelines for writing modern C++ (C++11 and newer).

jothepro / doxygen-awesome-css

A customizable CSS theme that modernizes the HTML output of Doxygen documentation without changing its layout.