| 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 |
yes
|
| Conversations |
GNU GPLv3 |
mobile |
federated |
XMPP, MUC, OMEMO, PGP |
internet |
text, (voice/ video?) |
yes |
optional |
file transfer, short voice mails |
?
|
| Jami |
GNU GPLv3+ |
desktop and mobile |
distributed |
SIP |
internet |
text, audio, video |
yes |
yes |
none |
?
|
| Riot |
Apache 2.0 |
web, mobile, desktop |
federated |
Matrix |
internet |
text, audio, video |
yes |
yes |
file transfer |
?
|
| TRIfa |
GNU GPLv2 |
Android |
distributed |
Tox, Tor (with Orbot) |
internet |
text, audio, video |
? |
yes |
none |
image sharing, file transfer, video embeds |
?
|
| Wire |
GNU GPLv3 (clients) / AGPLv3 (server) |
web, mobile, desktop |
centralized (federation is planned) |
? |
internet |
text, audio, video |
yes |
yes |
?
|
| Zom |
? |
mobile
|