Cozy Alternatives for Linux

Dropbox is an easy to use freemium cloud storage solution. It has a client sync utility for multiple platforms.

ownCloud is a free and opensource file sync and share app which is self hosted.

MEGA is the cloud-based file hosting solution.

MediaFire is a file hosting, file synchronization, and cloud storage service.

Nextcloud is a suite of client-server software for creating file hosting services and using them. It is functionally very similar to the widely used Dropbox, with the primary functional difference being that Nextcloud is free and open-source, and thereby allowing anyone to install and operate it without charge on a private server.

Koofr offers safe EU based cloud storage with 2 GB free cloud storage space for life and options to connect multiple cloud accounts.

YunoHost is a Debian GNU/Linux based distribution packaged with free software that automates the installation of a personal web server.

Sandstorm is a self-hostable web productivity suite.

An open, secure, and lightweight platform for your files and data.

CmisSync allows you to synchronize any CMIS-compliant ECM server with your local PC.

Cloudron is a platform to host apps on your server and keep them up-to-date and secure.

Icedrive is a cloud storage provider with inbuilt encryption to data in cloud.

Storj is a blockchain-based, end-to-end encrypted, distributed object storage.