AdaControl
From AdaCommons
http://www.adalog.fr/adacontrol2.htm
AdaControl is a static analysis tool that is used to find occurrences of various constructs in Ada programs. Its first purpose is to enforce coding standards, but it can be used for many other kinds of analysis.
AdaControl is provided by Adalog.
License
GMGPL (free to use and reuse in full or in part, in any context, free or proprietary).

