1)   SoftPerfect Bandwidth Manager 2.7
SoftPerfect Bandwidth Manager is a full-featured traffic management tool for Windows that offers cost-effective bandwidth control and quality of service based on built-in prioritized rules. With this you can specify a bandwidth limit for each user.
bandwidth, shaper, limiter, manager, control, controller, bandwidthshaper, bandwidthcontroller, slowdown, connection,

 2)   Cpukiller3 1.0.5
This software slows down computers so you can run old legacy programs and games. It prevents runtime errors, and you can configure cpukiller to launch your old software at a user-defined speed and automatically close.
CPUKiller, slowdown, slow, down, too, fast, runtime, error, too, fast,

 3)   Pulse Master 1.8.3
With Pulse Master musicians can slow down music, so they can learn new songs and techniques. Independent control of music speed and pitch is made in real-time by playing it from a CD, MP3, WAV, WMA,Ogg Vorbis file.
mp3, audio, musicians, tool, slowdown, pitch, transpose, transcribe, coreographer, dictaphone,

 4)   Phrase Trainer 1
The Phrase Trainer lets you load song (wav,mp3,wma etc...) slow down the playback speed to as little as 50% (or double-speed,why not?)of the original without changing its pitch, and loop the playback to repeat the phrase over and over until you get
loop, pitch, slowdown, jam, training, phrase, tempo, metronome, reverse, player,