Free can slow down software for windows

Slow Me Down plugin will let you slow down or even speed up the music by stretching it between -50% to 100%. Without changing the pitch!
You can also fine-tune the pitch in cents (100ths of a semi-tone) to suit your instrument.
Note 1: No Winamp DSP plugin works when playing CDs, only when playing mp3, wave files etc.
Note 2: This plugin does not work with Winamp 3 or higher - only works with Winamp 2.

Slow Clock will slow down your victims clock by 10% (1 sec. every 10 seconds), leading to the clock subtly, but quickly, become inaccurate.
With every passing hour, the clock will be 6 minutes slower and every day will be with 144 minutes behind.

Its a easy shut down proram that can shut down maunally / automatic. Its good for adding to your Schedule Manager.

Slower 1.1.4 provides an easy and completed way to slow down other programs of your choice. You set a delay and it will periodically pause and unpause the selected programs according to the stated delay. This program was originally created as a cheat to slow games down in hard levels but you can use it to your own liking. Version 1.1.4.7 offers two different delay times. One for the amount of time to suspend the programs(suspend interval) and the other, the amount of time to allow the program to run (resume interval). Slower then starts suspending and then resuming the selected programs in a cycle.

Slow down, freeze and crash are over. Repair and cure your windows with 1 click. Unlike other utility, Advanced WindowsCare does not do simple registry cleaning. It thoroughly examines Windows system, accurately detects the bottleneck for slowing down and crashing, and fixes them. With the novel system technology, Advanced WindowsCare empowers you to run computer faster, more stably and more efficiently than with any other system utilities.

This simple matrix slow-motioin mod installs as an aug. When it is turned on, the game world slows down but you stay at the same speed.