TopByteLabs - http://www.powershrink.com

Developer homepage : TopByteLabs

X-Shrink 1.5
Compress your Excel files up to 95%.

shareware
$59.95

2.4 MB
download

MP3 AddIn 1.0
Easily embed MP3 files into PowerPoint

freeware

1.2 MB
download

PowerShrink 2008 3.2
Compress your PowerPoint files up to 98%.

shareware
$39.97

3.4 MB
download