All our modules related to developments that solves generic issues on Odoo, or that solve internal problems on Odoo Core.
Here you will find a set of generic little features that improve odoo or make it more usable in a generic way.
This modules may not work all together, you need strong technical knowledge in most of them to use them, some of them are very simple or even simply solve specific bugs in an extensible way.
Do you need paid support? Better go with Vauxoo.