- [Kinto](https://kinto.readthedocs.org) - Kinto is a minimalist JSON storage service with synchronisation and sharing abilities. ([Source Code](https://github.com/Kinto)) `Apache-2.0``Python`
- [myDrive](https://github.com/subnub/myDrive) - Fully featured online storage solution, upload/download files, photo/video viewer, and more, all through the web client. ([Demo](https://mydrive-demo.herokuapp.com/)) `GPL-3.0``Node.js`
- [Nextcloud](https://nextcloud.com/) - Access and share your files, calendars, contacts, mail and [more](https://apps.nextcloud.com/) from any device, on your terms. ([Demo](https://demo.nextcloud.com/), [Source Code](https://github.com/nextcloud/server)) `AGPL-3.0``PHP`
- [OpenSSH/SFTP](http://www.openssh.com/) - Secure File Transfer Program. ([Source Code](http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh)) `BSD-2-Clause``C`
- [ownCloud](https://owncloud.org/) - All-in-one solution for saving, synchronizing, viewing, editing and sharing files, calendars, address books and more. ([Source Code](https://github.com/owncloud/core), [Clients](https://github.com/owncloud/core/wiki/Apps)) `AGPL-3.0``PHP`