- [Gossa](https://github.com/pldubouilh/gossa/) - Gossa is a light and simple webserver for your files. `MIT``Go`
- [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`
- [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``C`