Free, secure messaging.
Topsecret lets you choose where your messages are stored, putting you in control of your data.
You're in control.
Choose where your data lives
No phone number required
No ads, no tracking or datamining
Structure people, groups and communities
No limits.
Talk to anyone, not just those in Topsecret
Unlimited calls, video and messages
Create unlimited number of rooms
No room size limits
Connect with anyone.
Whatever app they are using. You shouldn’t have to switch apps just because you’re talking to a different friend. Topsecret works with all Matrix-based apps and can even bridge into proprietary messengers. It’s an open network so there’s no walled gardens.
Discover Topsecret One, bringing your WhatsApp, Signal and Telegram chats into Topsecret.
Secure encrypted messaging.
Your conversations stay private with default end-to-end encryption, cross-signed device verification and decentralisation to let you choose where your data lives.
Create an account without a phone number, so you don’t have to share those details with the outside world.
Topsecret is unique.
Own your data
Choose where your data is kept, or host it yourself, instead of being forced to use the app’s own server.
Interoperable
Connectivity with other apps, directly or via a bridge so you're not stuck in a walled garden.
End-to-end encrypted by default
So that the server(s) can’t see your data.
Cross-signed device verification
Ensure other users are genuine, without having to verify each login.
Keep your mobile number private
Create your account with a username; a mobile number is optional.
Upgrade to Topsecret One.
Bring your WhatsApp, Signal and Telegram chats into Topsecret. It’s Topsecret - hosted and bridged, for speed and ease.