Omtk is a suite of production pipeline tools for maya. The goal of the project is to develop pythonic solution to traditional problems/tasks in maya. Omtk is lightweight and unintrusive to other pipelines.
An node-base autorig that store itself in a network of maya nodes.
Read the documentation.
A module that can serialize/deserialize python objects in various formats (maya network, json, yaml). Is also support the basic pymel types.
Read the documentation.
A lightweight programming language that create maya utility nodes setup by parsing mathematical formulas.
Read the documentation.