NanaZip is a file archiver/compressor with a very high compression ratio. An interesting alternative to WinRAR and WinZip.
NanaZip is based on 7-Zip but has more features.
NanaZip offers a compression ratio that is about 10% better than WinRAR and WinZip.
Main Features
File/Folder Packing/Unpacking
Strong AES-256 encryption
Self-extracting capability
Integration with Windows Shell (context menu)
File Manager