Add Duplicati

Tool: Duplicati
Category: Backups
Website: http://www.duplicati.com
Awesome because: FLOSS software, multiple platforms (.NET/MONO-based), easy to use backup on all important cloud services (like OneDrive, Amazon S3...) and other backends (including ftp, ssh...) combined with built-in AES encryption.

README.md

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 * [Barman](http://www.pgbarman.org) - Backup and Recovery Manager for disaster recovery of PostgreSQL servers.
 * [BorgBackup](https://github.com/borgbackup/borg) - A fork of [Attic](https://attic-backup.org) deduplicating backup program written in Python.
 * [Burp](http://burp.grke.org/) - Network backup and restore program.
+* [Duplicati](http://www.duplicati.com) - Multiple backends, encryption, web-ui and multi-OS backup tool.
 * [Duplicity](http://duplicity.nongnu.org/) - Encrypted bandwidth-efficient backup using the rsync algorithm.
 * [Elkarbackup](https://github.com/elkarbackup/elkarbackup) - Backup solution based on RSnapshot with a simple web interface
 * [Lsyncd](https://github.com/axkibe/lsyncd) - File Monitor which spawns a process to synchronize the changes (rsync by default).