SFV Checker SFV Checker uses CRC-32 to check files.
File Splitter Advanced Split files into smaller size files and then join them back together. This powerful tool comes with a friendly user interface and full functionality. (Trial version has file size limitation of 1.4MB)
WinZip Mac Edition WinZip Mac 4 - World's #1 file compression technology, now for the Mac!
Self Extractor Multiple Files to single extracting file tool
File2Pack SFX File Packer/Compressor And Self Extractor