Tonido

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GoodSync

Filestash is a free and open-source Dropbox-like file manager that can be used to manage data anywhere. Filestash allows you to bring your own backend or create your own by implementing a simple interface. Currently, Filestash works with Amazon S3, SFTP, FTP, FTPS, Minio, Backblaze, GIT, Github, Gitlab, WebDav, LDAP, CalDAV, CardDAV, Mysql, Dropbox, Google, Drive Gogs Gitea. Through Filestash intuitive interface you can manage photos and files and easily share then with friends and family via regular links or social accounts.

ExpanDrive is a distributed file system client for macOS, Linux and Windows The software facilitates mapping of local volume to many different types of cloud storage providers. When a server is mounted with ExpanDrive any program can read, write, and manage remote files as if they were stored locally. ExpanDrive integrates with Google Drive, Dropbox, Amazon S3, SFTP (SSH), Box, OneDrive and Sharepoint.

Cryptomator is a simple tool makes your cloud storage trustworthy. With Cryptomator, you can encrypt your data quickly and save it to your favorite cloud services provider. The tool is released as free and open source software under the MIT License. Allowing you and other developers to verify and build upon the source code, to further strengthen and improve the application.

Syncthing is a free and open-source continuous file synchronisation software that utilise peer-to-peer technology. The software allows users to send files between two or more computers in real time, safely protected from prying eyes. Syncthing is available for Windows, Mac, Linux, Android, Solaris, and BSD.

odrive is a unified cloud storage solution that allow you to sync unlimited storage securely and efficiently to a folder on your desktop. With odrive, you can sync, share and backup your files securely. odrive integrates with thrid-party solutions like Amazon Drive, Dropbox, Google Drive, OneDrive, Box, S3, WebDAV, FTP, and more.

Duplicati is a free, open source, backup client that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers. The software was designed from the ground up to handle online backups of data with high efficiency. The software integrates with Amazon S3, Backblaze (B2), Box, Dropbox, FTP, Google Cloud and Drive, HubiC, MEGA, Microsoft Azure and OneDrive, Rackspace Cloud Files, OpenStack Storage (Swift), Sia, Tardigrade, SSH (SFTP), WebDAV, Tencent Cloud Object Storage (COS).