Privacy applications on bulletproof hosting:
- Matrix/Element self-hosted: Federated messaging server compatible with the Matrix protocol. Users connect via Element or other Matrix clients. Data stored on your server in your jurisdiction.
- Signal-compatible messaging: Signal Protocol can be implemented on self-hosted infrastructure. Signal Desktop/Mobile connect to your server, keeping metadata within your controlled environment.
- XMPP: Jabber/XMPP federation on Ejabberd or Prosody. Federated messaging that avoids centralized communication platforms.
- Session (Lokinet): Anonymous messaging using Service Node network. Requires specific infrastructure configuration.
- Briar: Mobile-first mesh messaging. Requires backend relay infrastructure for non-mesh functionality.