Open Source Backup Software
Daptin
With Daptin you can build faster, more capable APIs over your data that works across all types of frontend. Daptin is a free and open-source headless CMS server written in Go. Daptin can be used as a backend for both mobile and web applications and provide ready-to-go REST and GraphQL API infranstructure.
CloudBuckIt
One desktop application to manage all your cloud storage accounts and FTP connections. Simply connect your cloud profiles and acess them from your local computer just like any other file. CloudBuckIt integrates with Google Drive, Dropbox, Mega, OneDrive, Flickr, Amazon Cloud Drive, FTP, Box, Picasa, SugarSync, Yandex, EverNote, My pCloud and many other cloud solutions.
Perkeep
Perkeep is a set of free and open-source formats, protocols, and software for modeling, storing, searching, sharing and synchronizing data in the post-PC era. Data may be files or objects, tweets or 5TB videos, and you can access it via a phone, browser or FUSE filesystem. Perkeep is openly and actively developed and anyone is free the contribute to the project.
Nextcloud
With Nextcloud, users can host their own secure cloud solution for file storage, collaboration and communication for enterprise or personal purposes. Nextcloud gives you full control over your own data and where and how you host it. The software can be hosted on-premise or on any VPS or cloud instance provided by third-party web hosts. If you value privacy and security, Nextcloud might be the right choice for you. Nextcloud is both free and open source and developed in an open, transparent and trustworthy manner.
Internxt Drive
Internxt Drive is a secure file storage solution with a focus on user-friendliness and security. Internxt Drive allows you to store files, photos, videos in the cloud and sync or backup local files and make them available for sharing online. With Internxt Drive military-grade encryption you can rest assured that your files are in safe and only accessible by you.
Syncthing
Syncthing is a free and open-source continuous file synchronisation software that utilise peer-to-peer technology. The software allows users to send files between two or more computers in real time, safely protected from prying eyes. Syncthing is available for Windows, Mac, Linux, Android, Solaris, and BSD.
Transmission
Transmission is a file sharing application that utilize torrent techonlogy. The software provides UPnP and NAT-PMP port forwarding and features you come to expect from torrent applications like web seed support, watch directories, tracker editing, global and per-torrent speed limits, and much more.
DRS Office 365 Email Backup Tool
DRS Office 365 Email Backup is a remarkable Office 365 Backup and Restore tool that is highly recommended to take backup of entire mailbox items, public folders,s, and archive folders. The Office 365 Email backup software is capable of saving O365 mailboxes to multiple file formats and email clients. It supports all the MS Windows and Mac versions.
Clonezilla
Clonezilla is a partition and disk imaging and cloning software. With Clonezilla you can save and restore used block on hard-drives allowing you to do system deployments, bare metal backups and system recovery. Clonezille is available as three separate products, Clonezilla Live, Clonezilla Lite Server, and Clonezilla SE (Server Edition).
DRS AOL Backup Tool
DRS AOL Backup is an affordable software that can easily backup AOL emails to Computer, PST, PDF, Yahoo, Gmail, Thunderbird, Zoho, Office 365, iCloud, Hotmail, HTML, EMLX, EML, etc. The software comes with the demo version where users can easily backup and save up to 50 emails. The AOL Email Backup tool gives you an option to remove duplicate emails while taking backup. It supports all the MS Windows versions.