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 **BIGTREETECH** is the official mainboard partner of Mainsail. BIGTREETECH is committed to developing innovative and competitive products to better serve the 3D printing community. Follow them on [Facebook](https://www.facebook.com/BIGTREETECH) or [Twitter](https://twitter.com/BigTreeTech).
 
+## JetBrains OpenSource Licence
+
+<figure><img src="../.gitbook/assets/image (25).png" alt="" width="188"><figcaption><p>JetBrains</p></figcaption></figure>
+
+[**JetBrains**](https://www.jetbrains.com/community/opensource/#support), one of the leading software providers for development environments(IDEs), supports us with free [open-source licences](https://www.jetbrains.com/community/opensource/#support). JetBrains ensures a smooth workflow and is a great help to develop Mainsail.
+
 ## Support Mainsail
 
 You can support Mainsail development directly, either regulary ([Patreon](https://patreon.com/meteyou), [GitHub](https://github.com/sponsors/mainsail-crew)) or one-time ([Ko-Fi](https://ko-fi.com/mainsail), [GitHub](https://github.com/sponsors/mainsail-crew)).