kursal
Big Brother was watching you.
Peer-to-peer, end-to-end encrypted messaging that puts you in control. No servers. No tracking. Just your private conversations.
End-to-End Encrypted
Readable on your device and theirs. Everything in between only ever sees ciphertext.
// keys live only on these two devices: relays just carry a sealed packet
Decentralized Network
Data flows encrypted through a resilient mesh
~/features
Privacy by Design
Kursal is built from the ground up with privacy and security as the core principles. No compromises.
$ kursal --encrypted--decentralized--no-tracking--open-source--lightweightEnd-to-End Encrypted
Messages are encrypted on your device and can only be read by the recipient. No one else can see them, not even us.
learn moreDecentralized
There exist no central Kursal server: no single point of failure or control. The network belongs to everyone.
learn moreNo Tracking
We don't collect analytics, metadata, or any information about your conversations or your usage.
learn moreOpen Source
Fully transparent codebase. Audit the code yourself or contribute to the project. Even ideas are welcome!
learn moreLightweight
A fraction of what other chat apps reserve just to sit in your dock, measured against the ones you already have installed.
One Release, One Email
Get notified when Kursal ships its first stable release. As soon as this notification is sent, your email will be removed from our records.
Beta Launched! The Kursal public beta is out. Expect some rough edges, but you can download it now.
One email, then we delete your address. Unsubscribe anytime via the link in any email we send. We use it for nothing else, as set out in our Privacy Policy.
~/faq
Frequently Asked Questions
Got questions? We've got answers. If you don't find what you're looking for, feel free to reach out.
A:Kursal is built on a fully decentralized, peer-to-peer architecture with end-to-end encryption by default. Unlike traditional apps, there's no central server storing your messages or metadata. Your conversations exist only between you and your recipients.
# A Note from the Devs
Thank you so much for the interest! We're a small team of students and we love open source! If you enjoy Kursal, let us know!