Half-Life Advanced Effects (HLAE) is a collection of tools to enrich GoldSrc (Half-Life 1, Counter-Strike 1.6, Team Fortress Classic, Day of Defeat, ...) engine based movie making. Also known by it's former name MIRV Demo Tool (MDT), developed by Mirvin_Monkey till MDT 1.0.57.0 (2007-05-30).
FoF informed us that he wrote a Java application for smoothing campaths imported from BVH files.
Project homepage: http://chainer.projektas.lt/smoofofer/
Preview: http://www.youtube.com/watch?v=9pIYbggg6R8