

People are arguing that Jellyfin is inherently unsafe, or more so than another web application like plex and therefore if you provide friends access to it, they MUST use a VPN. That’s not true. You can host Jellyfin behind a reverse proxy and it’s accessible just like other web applications. Your friends don’t need to learn how to use a VPN. They can login just like they login to other websites.
Different use cases entirely.
Localsend is like air drop on your local network.
Syncthing automatically keeps a chosen folder of files in sync on multiple devices across networks.