phpDocumentor : phpDocumentor enables you to generate documentation from your PHP source code. This documentation provides an in-depth view of your project to you, yo...
Psalm : Psalm is a static analysis tool for finding errors in PHP applications.
MkDocs : MkDocs is a fast, simple and downright gorgeous static site generator that's geared towards building project documentation. Documentation source files...
PhpMetrics : PhpMetrics provides various metrics about PHP projects. PhpMetrics is designed to be understable and easy to use. Thanks to d3js, it will scores your ...
ApiGen is the tool for creating professional API documentation from PHP source code, similar to discontinued phpDocumentor/phpDoc.