Look Lock

This allows players to map a button to turn on/off freelook in a toggleable way, instead of having to hold down the right mouse button. This supports Cosmos as well as standalone.
This World of Warcraft AddOn, allows players to be ablle to map a button to turn freelook on and off and make it stick. Normally you have to hold the right mouse button down to use freelook. This version also allows for remapping the mouse buttons(o