Blender Tutorial Importing Motion Capture Data (.bvh) Files and Setting Up a Simple Rig Part 2 - YouTube
MB-Lab - Bountysource
GitHub - walkoncross/blender_bvh_addon_enhanced: Enhanced version of blender's bvh add-on with more settings supported. The bvh's rest pose should have the same handedness as the armature while could use a different up/forward definiton.
armature disappears when importing a skinned character in obj, format? - Blender Stack Exchange