| Name |
Decentralized |
Federated |
Client |
Backend |
Encryption |
Summary |
| Discord |
No |
No |
Proprietary (use their web app if you are forced to use it) |
Proprietary |
No |
If you sing up from a VPN it will ask you for your mobile number. Spyware for the cattle, avoid it at all cost. |
| Facebook Messenger |
No |
No |
Proprietary (use their web app if you are forced to use it) |
Proprietary |
No |
Made by Facebook, avoid it at all cost. |
| WhatsApp |
No |
No |
Proprietary |
Proprietary |
They claim it's end-to-end encrypted |
Made by Facebook, avoid it at all cost. |
| Telegram |
No |
No |
GPL-2.0 / GPL-3.0 and more |
Proprietary |
They claim it's end-to-end encrypted |
Avoid it if you can |
| Signal |
No |
No |
AGPL-3.0 / GPL-3.0 |
AGPL-3.0 |
Yes |
Recommended |
| XMPP |
Yes |
Yes |
Many |
Many |
Yes |
Recommended |
| Matrix |
Yes |
Yes |
Many |
Many |
Yes |
Recommended but avoid using the matrix.org homeserver |
| GNU Jami |
Yes |
No |
GPL-3.0 |
It's P2P |
Yes |
Recommended |
| IRC |
No |
No |
Many |
Many |
Possible |
Recommended |
