MobaSSH is a free SSH server for Windows, compatible with any ssh client (OpenSSH client, Putty, ...).

MobaSSH comes with an easy to use installer and some useful GNU utilities for monitoring and managing a remote computer silently. It also allows you to transfer files securely with scp/sftp.

MobaSSH is packaged in a small single executable that registers as a Windows service so that it can be monitored like other normal Windows services.

Professional program that saves and synchronizes data and files on any Windows computer. Easy synchronization of files on notebook, desktop and server. Data can be on internal or external disk or other storage device. Extensive options for configuration. Tasks can be stored in profiles for individual copying processes. Can be automated with Windows Task Scheduler for periodic tasks. Runs with and without user intervention. Creates log files.

Island Codeworks Backup with DeltaBIT technology is an easy-to-use FTP-based backup program. Instead of backing up to tape or CDROM, it uses available disk space on FTP servers. You can backup and have access to your backups when you're the office, at home or on the road. Island Codeworks Backup supports 128 bit data encryption, data compression (DeltaBIT and LZSS), email notifications, service-based scheduling and more.

CoronaSync keeps your data in sync, across all your computers and all your
applications. By working with many different applications and platforms,
CoronaSync simplifies your life by allowing your information to conveniently,
automatically, follow you wherever you go. You can use CoronaSync to synchronize documents, pictures, bookmarks, contacts, and more, among as many computers as you like.

aaFolderSync: Never lose a file again! This program makes ongoing backups of your most important folder to any other folder (e.g. external hard drive, USB flash drive, etc).

aaFolderSync can either backup folders based on time or changes detected. Please visit http://www.aaCoders.com for full product specifications, documentation, support, and more.

Nexenta RsyncShare is open source implementation of rsync shares manager for Windows servers and workstations. RsyncShare is a GUI based, CDDL licensed, and free of charge part of the NexentaStor/ZFS product. RsyncShare makes Windows machines accessible via any rsync client. Use RsyncShare for fast incremental Windows backup and restore. Use NexentaStor/ZFS + RsyncShare combination for cost-effective and high-performance disk-to-disk backups.