Apps similar to Backup4all include Syncthing, which is free and open source. Other options are FreeFileSync, Rclone, Duplicati and rsync. There's no shortage of File Sync Tools like Backup4all, with more than 50 alternatives for Windows, Mac, Linux, Android and iPhone.
Create Synchronicity is a nice, lightweight backup program with a very user-friendly - yet powerful - interface, that synchronizes files and folders extremely quickly (it can even recognize paths such as "MyUSB"\MyFolder, and locate the USB drive called...
France
EU
Gladinet Cloud Desktop mounts cloud storage to your local desktop PC. It is a simple desktop application.
United States
Karen's Replicator copies selected files from one drive/folder to another. Source and Destination folders can reside anywhere on your network.
United States
FBackup is a free backup software for both personal and commercial use. It protects your important data by backing it up automatically to any USB/Firewire device, local or network location. The backed up data can be either compressed (using standard zip compression) or an exact...
RomaniaEU
BackUp Maker is a professional, user-friendly tool for creating automated data backups. Configure once and let it save files based on time, intervals, or system events. Use partial backups, advanced filters, and multiple generations to protect your data efficiently and securely.
GermanyEU
Provides a scalable cloud storage solution, catering to businesses and individuals. Features unlimited storage, pre-made categories, easy setup, and secure automatic backups for all valuable data, ensuring access and file sharing from any internet-connected device.
United States
Jungle Disk is a leading provider of online storage software and services, leveraging the Amazon S3 platform and Rackspac infrastructure to provide easy to use and cost effective online storage and backup to our customers.
United States
Comodo Backup is an excellent backup utility from the creators of Comodo Free Firewall. It’s free, easy to use and has everything you might need. You can easily backup your local files and folders to anywhere on your computer, network, DVD / CD...
United States
BackupChain Backup Software backs up your system, virtual machines, and databases while running. Run backups locally, remotely, and off-site via FTP with this professional backup utility. Includes FTP server.
With Drive File Stream, you stream your Drive files directly from the cloud to your Mac or PC, freeing up disk space and network bandwidth.
Abakt is a backup tool that can create normal or compressed backups in ZIP format (or 7-Zip, if installed). You can create multiple backup profiles, select files and folders to be included and apply several advanced filters based on file type, attributes, size and date.
NetherlandsEU
Ferro Backup System™ (FBS) is a professional, network backup system intended for small offices and large corporations and institutions alike. It allows you to protect data stored at desktops, laptops and network file servers operating under Microsoft Windows®, Novell...
