A native GUI MQTT client development tool, with the purpose of debugging and testing IoT applications that makes use of the MQTT protocol.
Features:
- Publish to topics (In futures versions, it will also allow you to subscribe).
- Integrated code editor, with syntax highlighting for JSON and XML.
- Allows you to have multiple MQTT connections separated in different tabs
Screenshots
Observed history
| App | Change | Version | When ↑ |
|---|
No observed changes yet.
The initial import establishes a baseline. Future version changes will appear here.
Browse the app catalogue →Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
0.1.411 May 2025
Windows fixes:
- Application did not rendered properly on old Intel iGPU, by default enable software rendering (Cairo), users can opt-in to use hardware acceleration
0.1.310 May 2025
Added:
- MQTTy now runs on Windows 10/11 systems arch x86_64
UX Improvements:
- QoS radio buttons now activates themselves when they get focused by keyboard users
0.1.24 May 2025
UX improvements:
- When navigating the UI with the keyboard, the rows won't be focused unnecessarily, instead the focus will go directly to the inner fields.
Added:
- Now toasts notifications will appear on the lower part of the window, indicating published messages either succeded or failed, a hint message will also appear indicating what failed.
0.1.11 May 2025
Quick fix metainfo.
Fixes:
- Metainfo broken links
- Better branding color
- Summary shortened