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).

Features:
sound export, matte effects, sampling / motion blur, demo tools, depth images, wireframe, zooming, tracking, HLTV fix, use campaths in TFC, stereo captures, camera motion data, more frag rows in cstrike, bugs, and many more ...