Alternatives

Products that do what Corso does

Free, secure, open-source backup for Microsoft 365

1. 1RC
   Relica – Cross-platform local, remote, and multi-cloud file backups▲132

   2018 · relicabackup.com

2. 2
   Drivebase▲98

   Unified file manager for all your cloud storage with E2EE

   Feb 2026

3. 3PW
   PaaS with database and free backups▲102

   2019 · backery.io

4. 4
   NordLocker▲87

   Store and share your files securely

   2020

5. 5NE
   NFreezer – Encrypted-at-rest remote backup tool▲96

   2020 · github.com

6. 6
   Postgresus▲35

   Open source PostgreSQL backup tool

   Dec 2025

7. 7
   Metabase▲308

   Open source business intelligence - Installs in 5 minutes

   2015

8. 8
   Petti▲120

   Effortless database backups

   2024

9. 9
   Codario▲63

   Open source security made easy

   2019

10. 10
    Sigma File Manager▲152

    Free, open-source, cross-platform, modern file manager app

    Jun 2026

11. 11
    Internxt Drive▲102

    The world's most secure & private cloud storage service

    2020

12. 12UT
    Uphold – Tool for programmatically verifying database backups▲89

    2016 · github.com

13. 13
    Compito▲98

    An open-source project management app

    2021

14. 14
    Redential▲116

    A developer credential that proves what you built, NDA safe.

    Jul 2026

15. 15EA
    EDB – A framework to make and manage backups of your database▲31

    2015 · github.com

16. 16QB
    Quick-Back, a POSIX compliant, rsync based system backup tool▲22

    2016 · github.com

17. 17
    Acronis True Image▲81

    #1 personal backup software for all your important data

    2019

18. 18CO
    Cloudstic – Open-source CLI for encrypted, cloud-native backups▲5

    Hi HN, I built Cloudstic (https://github.com/Cloudstic/cli), an open-source Go CLI that creates encrypted, deduplicated, point-in-time backups of your Google Drive, OneDrive, and local files. The Problem Google Drive and OneDrive are sync tools, not backup tools. If you accidentally delete a folder, it’s gone everywhere. If ransomware encrypts your local files, the "mistake" propagates to the cloud immediately. There is no easy way to say: "Restore my entire Drive exactly as it looked on January 15th." Why not just use Restic or Borg? I’m a huge fan of Restic, and…

    Mar 2026 · github.com

19. 19
    Horcrux Email Backup▲90

    Super simple email backups for the Mac 💫

    2018

20. 20PO
    Portabase – open-source database backup/restore tool▲6

    I’m working on Portabase, a self-hosted, open-source tool for managing database backups and restores. It currently supports PostgreSQL, MySQL, and MariaDB, with MongoDB coming soon. It uses an agent-based architecture with a central server and lightweight agents, enabling deployment at the edge and operation across multiple networks. Website: https://portabase.io GitHub: https://github.com/Portabase/portabase Discord (newly created): https://discord.gg/Wgv7xZ8fWJ Main features: - Scheduled logical backups with multiple retention strategies…

    Jan 2026

21. 21ET
    End-to-End Encrypted Cloud Storage. All Open Source▲42

    2014 · disk42.com

22. 22
    Opacity Storage▲73

    Private encrypted file storage, powered by crypto.

    2019

23. 23SL
    Simple Linux Backups▲30

    2014 · jarvys.io

24. 24MA
    Minimalist App for Backups to Any Storage (Now FOSS)▲5

    2021 · github.com

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