Most interesting in File Compression

Free
CoffeeZip is a powerful file archiver with a high compression ratio
Free
Zipeg is a universal easy to use and freeware file opener for .zip and .rar
You can extract hundreds of compressed ZIP and RAR files
Free
Provide Win32 EXE file packing and to protect them against reverse engineering
It will help you batch-extract and verify RAR and ZIP archives

Top rated in File Compression

Compression Estimator
Free

Also, you have the option of either saving all results to a .CSV file

abcrypt file
Free

AB Crypt File is a software to encrypt text files

WebPage2JpgConverter
Free

A web page converter that easily turns web pages with Flash/Javascript/ActiveX into JPGs

RefChecker
Free

RefChecker is a useful tool for scanning web sites for broken links

Files Wrapper
Free

Files Wrapperis is a freeware file archiver and data compression utility

TIFF File Size Reduce Software
Free

Make TIFF files smaller in size in batches

NX Free ZIP Archiver
Free

Compress and decompress files and folders

redumpExtractor
Free

Software that burns files, extracts to a different folder, and updates itself using .NET Framework

COTRIX
Free

COTRIX a useful free software tool for editing bands

CompRes
Free

CompRes is a utility that makes it easy to create TCompress resource files

LibreOffice Help Pack
Free

LibreOffice beta builds not recommended for mission-critical purposes

PCXView
Free

PCXVIEW program displays PCX files, allowing users to copy and paste images

NX Free Simple ZIP Archiver
Free

After installation click right button of your mouse and any file or folder

winzib
Free

Very fast to compress file, very useful to compress a large amount of files

CoolSoft AutoZIP
Free

AutoZIP allows to compress a single file in a ZIP archive

KGBArchiver
Free

Powerful file compressor

Mp3 Compression Maker
Free

Most major by adjusting the Mp3 files size, Mp3 sound almost condition!

File Extension Column
Free

This application lets you customize the file extensions shown in Windows Explorer and easily manage your files

COMPRESS 2011
Free

Software for fabricators to quickly design and update compliant pressure vessels with multiple ASME Editions and Addenda

Files Compressed
Free

Files Compressed can help you solve your zipping/unzipping issues