1)   Word Cleaner 3
Word Cleaner enables you to batch convert Word files (and .rtf, .txt files) to HTML files and clean out all the unnecessary tags, thus reducing the size of your files and improving download times. You can also clean existing HTML files.

 2)   NXPowerLite 2.0
NXPowerLite can reduce the size of your PowerPoint files by as much as 95%. It's fully customizable, allowing you to balance compression and quality. This free, fully functional trial version will compress up to 10 presentations.

 3)   Flash Optimizer (Lite Edition) 1.16
Flash Optimizer (Lite Edition) manages to reduce your SWF files size up to 60-70% thanks to amazing algorithms of vectors, shapes, morphing, curves, fonts and Zlib optimization.