EMQX — MQTT broker (Open Source)

EMQX is an open-source MQTT broker solution from EMQ. Review its features and licensing on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is EMQX?

EMQX is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under MQTT broker and published by EMQ. Buyers typically evaluate EMQX when they need a dependable MQTT broker option and want to weigh the trade-offs between free, open-source and paid tools before committing.

• Category: MQTT broker
• Brand: EMQ
• License: Open Source

Frequently asked questions

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