Metronome is a XMPP instant messaging server, based on the latest approved RFC standards.
Metronome currently has Advanced Server compliance for Core, Web, IM and Mobile in XMPP Compliance Suites 2020.
This is free and open source software.
Metronome is based on Prosody IM. Differences include:
- The Pubsub API and wrapped modules, mod_pubsub and mod_pep.
- The MUC API and wrapper plugins.
- Pluggable MUC configuration.
- Pluggable Routing API.
- Core stack: Modulemanager, Usermanager, Hostmanager, Module API, etc…
- More aggressive memory usage optimisations.
- Bidirectional S2S Streams.
- Direct TLS S2S Streams and XEP-0368 resolution.
- Dialback errors handling and “DB without DB” (XEP-0344).
- The anonymous auth backend (mod_auth_anonymous & sasl.lua ineherent part).
- Included plugins, utils.
- SPIM prevention system.
- Hits/blacklist/whitelist based host filtering (mod_gate_guard).
- In-Band Registration verification and account locking mechanism.
- The HTTP API.
- XEP-0252 support for BOSH’s JSON Padding.
- Extensive Microblogging over XMPP support.
- Daemon Control Utility.
- It does have only one server backend being libevent and has a hard dep. on lua-event.
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