Messaging · Video calls
Threema
Swiss messenger that needs no phone number.
open source hosted in Europe Threema GmbH · CHPaid once, end-to-end encrypted, servers in Switzerland; Threema Work for companies.
Website ↗ Source ↗ Plan “Messaging” with itPlan “Video calls” with it
How you can run it
| Way | Where the data lives | Price basis | Verdict |
|---|---|---|---|
| Hosted in Europe | servers in Europe, run by a European company | ≈ €1/mo flat | yellow — European company, European servers, but someone else runs it. |
Facts
| Company / project | Threema GmbH (CH) |
|---|---|
| Licence | AGPL-3.0 |
| Commonly replaces | WhatsApp, Signal |
| Provenance | curated, verified 2026-09-04 |
Machine-readable: /api/tools/threema.json. Something wrong? Tell us.