compare
EMQX vs Eclipse Mosquitto
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | EMQX | Eclipse Mosquitto |
|---|---|---|
| Language | Erlang | C |
| Licence | Other | Other |
| Stars | 17k | 11k |
| Latest | 6.3.1 | v2.1.2 |
| Last push | 2026-10-06 | 2026-10-04 |
| Release cadence | about 6 days between releases | too few releases |
| Active contributors | 12+ commit authors on the default branch in the last 90 days | 1 commit author on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace AWS IoT Core. Alternatives to AWS IoT Core →
PartialEMQXClustered MQTT broker with a rules engine and data bridges; the licence allows one production node for free.
PartialEclipse MosquittoMQTT broker only, on a single node; no device registry, shadows or rules engine.
EMQX
unsigned The latest release, 6.3.1, carries no signature GitHub could verify.
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Eclipse Mosquitto
✓ signed The latest release, v2.1.2, carries a signature GitHub verified.
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