- [Dar](http://dar.linux.free.fr/) - Which stands for Disk ARchive, is a robust and rich featured archiving and backup software of the tar style. ([Source Code](https://github.com/Edrusb/DAR)) `GPL-2.0``C++`
- [Databasus](https://databasus.com/) - PostgreSQL, MySQL, MariaDB and MongoDB backup tool with web UI, external storages (local, S3, FTP, Google Drive, etc.), notifications (webhook, Discord, Slack, etc.) and team management. ([Source Code](https://github.com/databasus/databasus)) `Apache-2.0``Docker`
- [Duplicati](https://www.duplicati.com) - Backup client that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers. ([Source Code](https://github.com/duplicati/duplicati)) `LGPL-2.1``C#`
- [Duplicity](https://duplicity.gitlab.io/) - Encrypted bandwidth-efficient backup using the rsync algorithm. ([Source Code](https://gitlab.com/duplicity/duplicity)) `GPL-2.0``Python`
- [Open Archiver](https://docs.openarchiver.com) - Email archiving solution with full-text search and eDiscovery search features. ([Source Code](https://github.com/LogicLabs-OU/OpenArchiver)) `AGPL-3.0``Docker`