mzControlTool is a Python script for Maya.
It's a control interface that can be used with mzFishTool, mzSnakeTool, and mzButterflyTool, to quickly create, move, and visualize keyframes.
The following video and manual show how the script works.
A complete run through of how to use the mzControlTool.
Instructions to setup and run the mzControlTool script in Maya.
Quick Start Guide and complete instructions for the mzControlTool script.