Sharing guide
One link, a sign-in they already have, and only the apps you pick.
You'll need
Already have your apps on Seawise.io? This takes a couple of minutes. If not, set that up first.
In seawise.io, go to Portals and click New Portal. Tick the apps this group should open, and leave everything else off.
Open the portal's sharing settings and add each person's email. Only those people can get in.
Remove an email any time and that person loses access within 30 seconds.
Copy the portal link and send it however you like. They sign in with the email you added, using Google, GitHub or an email link, and see only the apps on this portal. Nothing to install.
She has to sign in with the exact email you added. If she used Sign in with Google, check which Google account she picked.
That's the app's own login, like Jellyfin's. Create a user for them inside the app too, or use a shared family user.
Seawise.io's sign-in happens in a browser. On a smart TV, use its browser, or make the app public (Admin plan) so the TV app can connect with the app's own login.