Compare software

MQTTX vs MQTT Explorer: catalog facts
MQTTX	MQTT Explorer
Free Free to download and use.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Web, Self-hosted, Command line	Windows, macOS, Linux
Desktop, CLI and web versions share one workflow Supports MQTT 5.0, 3.1.1 and 3.1	Hierarchical topic tree with activity visualisation Diff view and per-topic history
Focused on MQTT only, not general HTTP APIs Some features steer toward the EMQX ecosystem	Current version is still labelled beta Focused on inspection and debugging rather than broker administration
Downloadable app, Web application, Self-hosted	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.