* [Kinto](https://kinto.readthedocs.org) - Kinto is a minimalist JSON storage service with synchronisation and sharing abilities. ([Source Code](https://github.com/Kinto)) `Apache``Python`
* [Nextcloud](https://nextcloud.com/) - Access & share your files, calendars, contacts, mail & more from any device, on your terms. ([Source Code](https://github.com/nextcloud/server)) `MIT` `PHP`
* [Nextcloud](https://nextcloud.com/) - Access & share your files, calendars, contacts, mail & more from any device, on your terms. ([Source Code](https://github.com/nextcloud/server)) `AGPLv3` `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``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)) `AGPLv3``PHP`
* [Pydio](https://pydio.com/) - Turn any web server into a powerful file management system and an alternative to mainstream cloud storage providers. ([Source Code](https://github.com/pydio/pydio-core)) `AGPLv3``PHP`