Install an app in this tab. Share it with anyone.

Each app here installs into this browser tab and runs from it, at a link you can send to anyone. There’s no account to make, and no server keeps what people do in it.

Setting up this tab…

Apps for this tab

Do more from your own computer.

This tab hosts while it’s open. Seamside on your computer keeps going after you close it.

Always on

Your apps stay online while your computer is, with no tab to keep open.

Your own apps

Bring an app from Lovable, Bolt or Claude, or make one, and share it the same way.

Your data, where you want it

What an app keeps is a folder on your computer that you can open.

Download Seamside How it works

Your profile in this tab

You

Face hue pattern

Name

When away

Storage

Relay

Public profile

This browser

Profiles

Homes

Log