Macroscript ThePuppetTool 1.1 for 3dsmax 2010 (also works in 3dsmax 2008, 2009)
Should work in versions 2011, 2012, 2013
Cat/Biped selector with many powerful features, such as:
1. Automatically make Biped matched current human CAT-rig
2. Paste opposite for human CAT-rig
3. Select All, select Opposite, easy select any bones of human characters by clicking on ImgTags (also with dbl-click, alt and ctrl of course)
4. Keys remover
5. Keys type changer
New in version 1.1
1. Added some tags and buttons to select more limbs