Compare software

MQTT5 ExplorerMQTT Explorer
Free

Free and open source under the GPL-3.0 licence.

 Free

Free and open source under the MIT licence.

Linux Windows, macOS, Linux
  • Aims to support all MQTT 5 features
  • Works with any MQTT broker
  • Hierarchical topic tree with activity visualisation
  • Diff view and per-topic history
  • Small project with a limited community
  • Release activity is not clear from the repository page
  • Current version is still labelled beta
  • Focused on inspection and debugging rather than broker administration
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0-only License: MIT
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

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