MQTT X is a cross-platform MQTT 5.0 client tool open sourced by EMQ, which can run on macOS, Linux and Windows, and supports formatting MQTT payload.
MQTT X simplifies the operation logic of the page with the help of chatting software. The user can quickly create a connection to save and establish multiple connection clients at the same time. It is convenient for the user to quickly test the connection of MQTT/TCP、MQTT/TLS, MQTT/WebSocket Publish / Subscribe functions and other features.
Screenshots
Observed history
| App | Change | Version | When ↓ |
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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.
1.13.023 Jan 2026
No release notes supplied.
1.12.130 Sept 2025
No release notes supplied.
1.11.022 Oct 2024
No release notes supplied.
1.10.07 Jun 2024
No release notes supplied.
