Messaging
Signal
The gold standard for encrypted messaging, run by a US non-profit.
open source Signal Foundation · USContent is end-to-end encrypted, but the service and its metadata live with a US foundation.
Website ↗ Source ↗ Plan “Messaging” with it
How you can run it
| Way | Where the data lives | Price basis | Verdict |
|---|---|---|---|
| Hosted outside Europe | servers outside Europe | free | red — Hosted outside Europe: your data sits under non-European jurisdiction. |
Facts
| Company / project | Signal Foundation (US) |
|---|---|
| Licence | AGPL-3.0 |
| Commonly replaces | |
| Alternatives to it here | Threema |
| Provenance | curated, verified 2026-09-04 |
Machine-readable: /api/tools/signal.json. Something wrong? Tell us.