integrated development environment for C/C++ and other languages

 KDevelop is a Free and Open Source integrated development
 environment (IDE). It provides editing, navigation and debugging features for
 several programming languages, as well as integration with multiple build
 systems and version-control systems, using a plugin-based architecture.
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 KDevelop has parser backends for C, C++ and Javascript/QML, with further
 external plugins supporting e.g. PHP or Python.