Free Code Chat Apps
| Name | License | Platforms supported | Topology | Protocol(s) Used | Network Transport(s) | Text/ Voice/ Video? | Group chat | End-to-End Encrypted | Other features | language support |
|---|---|---|---|---|---|---|---|---|---|---|
| [Briar] | [GNU GPLv3+] | mobile | distributed | Tor | internet, wifi, bluetooth | text only | yes | yes | forums, blogs, adding contacts requires in-person scanning of QR codes | yes |
| [Conversations] | [GNU GPLv3] | mobile | federated | XMPP, MUC, OMEMO, PGP | internet | text, (voice/ video?) | yes | yes, when everyone in a chat uses OMEMO or OpenPGP | file transfer, short voice mails | ? |
| [Jami] | [GNU GPLv3+] | Desktop and mobile | distributed | SIP | internet | text, audio, video | yes | yes | none | ? |
| [TRIfa] | [GNU GPLv2] | Android | distributed | Tox, Tor (with Orbot) | internet | text, audio, video | ? | yes | none | ? |
| Riot | ||||||||||
| Wire |