MocapJS

MocapJS is a motion capture library for Three.js. It is designed for applications such as web-based mocap players, streaming movement data, and virtual reality scenarios.

The library is provided under the MIT license and can be accessed on Github

A sample starter code is available here, which also includes the instructions to install the library. This gives you a working player similar to this one.

Sample players for different applications can also be found in another repository here.