This article is available in: French
Erik Lehmann, Senior 3D Modeller currently working at Cinesite Vancouver, is also the creator of several Python tools for Maya in his spare time. He just launched a new product : Build Kit 1.0.
Build Kit is a toolkit featuring mesh, selection, layout and import & export operations, contained within a compact interface.
The best way to understand what Build Kit is capable of is to watch the overview trailer : in less than 3 minutes, you will get a good sense of what this toolkit can do for you.
Build Kit is available on Gumroad for a few bucks ; you will also find there a few other created by Erik Lehman.
The full documentation of all the functionalities of Build Kit available.