Blog
News, engineering insights, and privacy updates from the Aster team.
Why Aster won't become the next Skiff
Skiff's shutdown left users scrambling. Here's why Aster is built differently: no investors steering us toward a sale, AGPL code that outlives the company, and standard OpenPGP keys you can take anywhere.
Hi, we're Aster. Here's what we care about.
Aster's mission and the five values we won't trade away: privacy as a right, security that's easy, full open source, no lock-in, and answering to users, not investors. With receipts.
Is Aster Safe If It's Based in the US?
Aster is a US company with servers in Germany. Here's exactly what US law can and can't compel us to hand over - and why client-side encryption means even a valid court order can't get them your emails.
Sustainability Commitments
No venture capital. No advertising. No exit strategy. How Aster is funded, how we're structured, and why we're committed to staying independent. We wrote this to be held against us.
Aster is getting a new look!
We refreshed the Aster Mail logo and visual identity. Here's what changed, what we kept, and the thinking behind every decision in the updated design.
Introducing Aster Mail: the world's most private email
Aster Mail is here. Free, open source, end-to-end encrypted with post-quantum protection and zero-access architecture. Everything private email should have been from the start.