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*Please help edit this! I may be wrong about some of it:*
## Comparison of their designs
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| Other cool thing | What is it? | Kind of like... | Decentralized? (P2P?) | Anonymous? (IP hidden?) | Confidential? (100% E2EE?) | Data robustness? | Identity verification? | Requires invitation/server? |
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| --------------------------------------------- | ----------------- | ------------------ | ------------------------------ | --------------------------------------------- | ------------------------------------------- | ------------------------------------- | --------------------------------------- | ---------------------------------- |
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| *[Comrad](http://comrad.app)* | *Social network* | *Twitter* | ❌ *No (central server on Tor)* | ✔️ *Yes (everything routed via Tor)* | ✔️ *Yes (100% E2EE)* | ⭕ *Minimal server (deleted ASAP)* | ✔️ *Yes (central public key repository)* | ✔️ *No (works like twitter)* |
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| [Secure Scuttlebutt ](https://scuttlebutt.nz/ ) | Social network | Twitter / Facebook | ✔️ Fully (P2P) | ❌ No (P2P reveals IP; friend networks public) | ⭕ Partly (private E2EE, public unencrypted) | ✔️ Distributed across friend networks? | ✔️ Yes? (federated key exchange?) | ❌ Yes (need initial pub) |
| [Diaspora ](https://diasporafoundation.org/ ) | Social network | Twitter | ⭕ Halfway (federated) | ⭕ No (unless via Tor Browser) | ❌ No (unencrypted?) | ✔️ | ? | ❌ Yes (need 'pod' server) |
| [Mastodon ](https://joinmastodon.org/ ) | Social network | Twitter | ⭕ Halfway (federated) | ⭕ No (unless via Tor Browser) | ❌ No (unencrypted?) | ✔️ | ? | ❌ Yes (need 'instance' server) |
| [Matrix ](https://matrix.org/ ) | Co-working space | Slack | ⭕ Halfway (federated) | ❌ No? | ✔️ Yes? (100% E2EE) | ? | ✔️ Yes (?) | ❌ Yes (invited channels only?) |
| [Briar Messenger ](https://briarproject.org/ ) | Messenger | WhatsApp | ✔️ Fully (P2P) | ✔️ Yes? (Tor) | ✔️ Yes (100% E2EE) | ❌ None (needs 24/7 listener) | ⭕ Partly (public keys traded IRL) | ❌ Yes (need initial contact?) |
| [Cabal Chat ](https://cabal.chat/ ) | Private chatrooms | IRC | ✔️ Fully (P2P) | ❌ No (P2P reveals IP) | ⭕ Mostly (shared key, not E2EE) | ✔️ Distributed Hash Table | ❌ No (?) | ✔️ Not really (public chat is open) |
| [Signal ](https://signal.org/ ) | Messenger | WhatsApp | ❌ No? | ❌ No | ✔️ Yes (E2EE, and audited) | ? | ? | ✔️ |
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## Comparison of their features
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| Other cool thing | DM users (E2EE) | Group chat (E2EE) | Post to world | Post to friends/ties | Symmetric ties (friends) | Asymmetric ties (followers) | Like posts | Repost posts | Edit posts | Delete posts |
| --------------------------------------------- | --------------- | ----------------- | ------------- | -------------------- | ------------------------ | --------------------------- | ---------- | ------------ | ---------- | ------------ |
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| *[Comrad](http://comrad.app)* | ✔️ | ❌? | ✔️ | ✔️ | ✔️ | ✔️ | ✔️? | ❌ | ❌ | ✔️ |
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| [Secure Scuttlebutt ](https://scuttlebutt.nz/ ) | ✔️ | ❌? | ❌ | ✔️ | ✔️ | ✔️ | ✔️ | ❌? | ❌ | ❌ |
| [Diaspora ](https://diasporafoundation.org/ ) | ❌? | ❌? | ❌? | ✔️ | ❌ | ✔️ | ✔️ | ✔️? |
| [Mastodon ](https://joinmastodon.org/ ) | ✔️ | ❌? | ✔️ | ✔️ | ❌ | ✔️ | ✔️ | ✔️? |
| [Matrix ](https://matrix.org/ ) | ✔️ | ✔️ | ❌? | ✔️ | ✔️ | ❌ | ❌? | ❌? |
| [Briar Messenger ](https://briarproject.org/ ) | ✔️ | ✔️ | ❌? | ✔️ | ✔️ | ❌ | ❌? | ❌? |
| [Cabal Chat ](https://cabal.chat/ ) | ? | ✔️ | ❌? | ✔️ | ❌ | ❌ | ❌ | ❌ |
| [Signal ](https://signal.org/ ) | ✔️ | ✔️ | ❌ | ❌ | ✔️ | ❌ | ❌ | ❌ |
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