This Mathematica package facilitates the integration of notebooks to the Documentation Center, without needing to use the Wolfram Workbench.
A suite of development tools for Mathematica
Utility functions for building paclets, plotting, chemistry, and more.
A Mathematica package to handle errors when calling a function with wrong arguments.
Gives informative feedback in form of an FailureObject when there are too litte, or too many or wrong arguments.