PeaZip is an open source file and archive manager: cross platform.

Free Hex Editor Neo is a large files optimized editor for working with data files.

Zback is a portable backup and synchronize tool.

SMF is a file and file duplicate search tool.

IZArc can unzip almost any archive file types and create new zip archives.

Search the contents of your files, e-mails, and e-mail attachments stored on your computer.