File management
Sort
Nextcloud - Regain control over your data
https://nextcloud.com/ Remote collaboration made easy
TagSpaces - privacy aware file manager with tagging and note-taking capabilities
https://www.tagspaces.org/ Organize your files and folders with tags
Google Drive - Easy and secure access to your content
https://www.google.com/intl/en/drive/ Store, share, and collaborate on files and folders from your mobile device, tablet, or...