protocols.html

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<title>Progressive Chat — chat protocols</title>
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<h1>Chat <span>protocols</span> we want to use</h1>
<p class="lead">
    Everything the Progressive Chat ecosystem speaks today or plans to speak —
    one Matrix-native core plus focused bridges, ports and apps for the rest.
</p>

<table>
<tr><th>Protocol</th><th>Role in the ecosystem</th><th>Where</th><th>Status</th></tr>

<tr><td><code>Matrix</code></td>
<td>Native core protocol: sync, rooms, E2EE (Olm/Megolm), Spaces,
threads, polls (MSC3381), reactions, edits, m.call signaling</td>
<td>progressive-core · -cli · -server · -android</td>
<td class="st-implemented">implemented</td></tr>

<tr><td><code>IRC</code></td>
<td>Bridge/client: connect/join/msg/leave/whois/names from the CLI;
Android port</td>
<td>cli `irc` · android-irc</td>
<td class="st-experimental">experimental</td></tr>

<tr><td><code>XMPP</code></td>
<td>Android port over native C++ integration</td>
<td>android-xmpp</td>
<td class="st-planned">planned</td></tr>

<tr><td><code>Telegram</code> (MTProto)</td>
<td>TDLib-backed bridge in the CLI; Android Telegram port</td>
<td>cli `td` · android-telegram</td>
<td class="st-experimental">experimental</td></tr>

<tr><td><code>DeltaChat / Email</code></td>
<td>Autocrypt messaging through the DeltaChat bridge; Android port</td>
<td>cli `dc` · android-delta</td>
<td class="st-experimental">experimental</td></tr>

<tr><td><code>Lemmy</code> (ActivityPub)</td>
<td>Federation client: login/posts/post/upvote/comments; Android port</td>
<td>cli `lemmy` · android-lemmy</td>
<td class="st-experimental">experimental</td></tr>

<tr><td><code>Reddit</code></td>
<td>Multi-account Reddit client built on the Matrix chat framework</td>
<td>chat-reddit</td>
<td class="st-planned">planned</td></tr>

<tr><td><code>m.call / WebRTC</code></td>
<td>Voice calls: call/answer/hangup/wait signaling done;
media plane = next milestone</td>
<td>cli `call`</td>
<td><span class="st-implemented">signaling</span> /
<span class="st-awaited">media awaited</span></td></tr>
</table>

<h2 style="font-size:20px">Transports underneath</h2>
<table>
<tr><th>Transport</th><th>Coverage</th><th>Status</th></tr>
<tr><td><code>Tor</code> (SOCKS5)</td><td>All HTTP(S) traffic + per-session override</td>
<td class="st-implemented">implemented</td></tr>
<tr><td><code>I2P</code></td><td>Same proxy path</td>
<td class="st-implemented">implemented</td></tr>
<tr><td><code>Yggdrasil</code></td><td>Native IPv6 transport inside the CLI</td>
<td class="st-implemented">implemented</td></tr>
</table>

<p class="note">Statuses: implemented — ships today · experimental — works,
edges expected · planned — on the roadmap · awaited — blocked on an upstream
piece.</p>

<p class="back"><a href="./">&#8592; back to projects</a></p>
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