EF CheckSum Manager 5.10
EF CheckSum Manager is a program designed for the integrity examination of files on the standard formats SFV, MD5 and SHA1. They can verify existing checksums or create new checksum for your important data. The EF CheckSum Manager is easy to use and much fast, supports the recursive processing of file structures, works up to whole drives. Multilingual. Shareware

EF Commander 6.81
File manager, easy to use, full customized (colors, fonts, columns, keys, icons, etc.), tabbed interface, fast FTP client, link to PDAs with WinCE, multirenamer, internal packers, internal viewers, burn on CD/DVD, internal text and HEX editors, synchronize function, encode/decode UUE, XXE and MIME, create/Verify SFV, MD5 and SHA1, powerful filters, multilingual, and much more...

EF Duplicate Files Manager 5.10
EF Duplicate Files Manager could find out duplicate files with same name, same size, same content on specify paths. Handle optional like folders the 7-Zip, ACE, ARC, ARJ, BZIP2, CAB, CPIO, GZIP, IMG, ISO (ISO9660), LHA, RAR, PRM, SFX, SQX, TAR, TGZ, ZIP, Zip64 and ZOO archives. Multilingual. Shareware