List of Top Free Open Source & Self Hosted Application for File Transfer & Synchronization

File transfer, sharing and synchronization software software.

Git Annex – File synchronization between computers, servers, external drives. GPL-3.0 Haskell
Kinto – Kinto is a minimalist JSON storage service with synchronisation and sharing abilities. Apache-2.0 Python
myDrive – Fully featured online storage solution, upload/download files, photo/video viewer, and more, all through the web client. GPL-3.0 Nodejs
Nextcloud – Access and share your files, calendars, contacts, mail and more from any device, on your terms. AGPL-3.0 PHP
OpenSSH SFTP server – Secure File Transfer Program. BSD-2-Clause C
ownCloud – All-in-one solution for saving, synchronizing, viewing, editing and sharing files, calendars, address books and more. AGPL-3.0 PHP
Peergos – Secure and private space online where you can store, share and view your photos, videos, music and documents. Also includes a calendar, news feed, task lists, chat and email client. AGPL-3.0 Java
Pydio – Turn any web server into a powerful file management system and an alternative to mainstream cloud storage providers. AGPL-3.0 Go
Samba – Samba is the standard Windows interoperability suite of programs for Linux and Unix. It provides secure, stable and fast file and print services for all clients using the SMB/CIFS protocol. GPL-3.0 C
Seafile – File hosting and sharing solution primary for teams and organizations. GPL-2.0/GPL-3.0/AGPL-3.0/Apache-2.0 C
Syncthing – Syncthing is an open source peer-to-peer file synchronisation tool. MPL-2.0 Go
Unison – Unison is a file-synchronization tool for OSX, Unix, and Windows. GPL-3.0 OCaml