Alternatives

Products that do what Strongsync does

Dropbox-like Sync and Backup using only SFTP or Amazon S3

1. 1BC
   BoxSync.co - Dropbox alternative, Sync files without cloud/servers▲10

   2018 · boxsync.co

2. 2
   Dropbox Smart Sync▲286

   Get access to every file and folder shared in your Dropbox

   2017

3. 3
   Syncthing 1.0▲119

   Your Dropbox alternative where nada is stored on the cloud.

   2019

4. 4CS
   Cloud SFTP Server – SFTP Direct to Dropbox, Azure, AWS, Box etc.▲23

   2019 · couchdrop.io

5. 5SP
   Stop paying for Dropbox/Google Drive, use your own S3 bucket instead▲252

   Last week SWYX nerd-sniped me into building an Open-source Dropbox. Here is Locker: the ultimate open-source Google Drive/box/Dropbox alternative - Provider agnostic (S3, R2, vercel blob, local) - BYOB (Bring your own bucket) - Virtual file system - QMD Search plugin

   Apr 2026 · locker.dev

6. 6SA
   Sshync – Auto-sync files over SSH▲65

   2015 · github.com

7. 7GR
   Git-remote-dropbox – use Dropbox as a true Git server▲174

   2015 · anishathalye.com

8. 8IC
   I created an app to sync any folder with Dropbox▲59

   2014 · boxifier.com

9. 9HP
   Hypergolix, “programmable Dropbox” with client-side encryption▲130

   2017 · pyhgx.readthedocs.io

10. 10
    DropJar▲92

    Pauseable, resumable big file transfer

    2014

11. 11SF
    S3HyperSync – Faster S3 sync tool – iterating with up to 100k files/s▲49

    An alternative S3 sync tool to extremly fast sync s3 buckets. Feedback and contributions are welcome!

    2024 · github.com

12. 12
    Sherlybox▲73

    Sync, share and backup your sensitive files

    2014

13. 13
    Protonet▲238

    Private cloud servers - Slack meets Dropbox in a box

    2016

14. 14SR
    Simple realtime two-way sync with SSH, fswatch and rsync▲71

    2019 · github.com

15. 15
    Websrvr▲94

    Create and host websites from your dropbox

    2014

16. 16
    Duet.to▲143

    Create Hassle-Free Dropbox-Powered Websites

    2015

17. 17RC
    Relica – Cross-platform local, remote, and multi-cloud file backups▲132

    2018 · relicabackup.com

18. 18
    Sunshine▲140

    Instant file sharing without cloud storage

    2015

19. 19AS
    Amazon S3 API Support for Backblaze B2 Cloud Storage Service▲74

    2017 · blog.minio.io

20. 20FA
    FileRock, a Secure Dropbox Clone, goes Open Source▲97

    2013 · blog.filerock.com

21. 21
    OneBox.io▲104

    Sync e-mail attachments to GDrive, Dropbox, Box, or OneDrive

    2014

22. 22OA
    Odrive, a universal sync folder, get dropbox to everything▲15

    2015 · odrive.com

23. 23
    Sync▲90

    Sync offers secure and completely private cloud storage

    2015

24. 24AS
    A simple GUI for uploading large files to S3▲42

    2016 · github.com

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