Kamil Baczkowicz edited this page Aug 31, 2016 · 86 revisions

Licensing and donations

mqtt-spy is an open source project released under the Eclipse Public License (EPL).

Once you've had a chance to try it and wish to continue using it, please consider making a small donation to UNICEF. This is not enforced in any way and relies purely on you willing to contribute! :)

For personal use, it's totally up to you!

For commercial use, the suggested donation is £10 / €10 / $10 (per user per year).

You can make the donation directly on your local UNICEF website or via the mqtt-spy fundraising page:



Compatible with JRE/JDK 8u60 and above:


Download stats

The following chart shows the number of downloads per month:

For the download counts see the release summary.