Divx Light Decoder 1.1.2
It's less than 630KB and contain only the decoder in a very simple installer.
Server 1 Afreecodec
A MP3 PLAYE WITH HIGH QUALITY SURROUND SOUND
Easy-to-use AC3 and unprotected VOB files to WAV, MP3, WMA, Ogg Vorbis converter
The LAV CUVID Decoder is a video decoder for NVIDIA graphics cards
Drop Decoder - decode MP3 files to wav or aiff
This program used to generate a DTMF sound into your sound card.