Author Topic: good mqtt client  (Read 5049 times)


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Re: good mqtt client
« Reply #15 on: February 21, 2022, 09:16:00 pm »
@Tuxscreen: Have you tried the Free Pascal conversions of the libmosquitto header file by Károly Balogh (chainq) at

Of course the libmosquitto MQTT client library must be installed on the system, but I have had success with it, building a couple of MQTT clients that work in Linux and Windows (see  The clients have been run against mosquitto version 1.5.7 (protocol v3.1.1) broker. Cursory tests done just today showed that lazmqttc appears to work without problems with mosquitto version 2.0.11 (protocols  v5.0/v3.1.1/v3.1) as long as authentication is handled correctly (see


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