The IntelliJ Platform is a JVM application, implemented mostly in Java and Kotlin. At this time, it's not possible to develop plugins for the IntelliJ Platform in non-JVM languages).
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Plugin Alternatives
In some cases, implementing an actual IntelliJ Platform plugin might not be necessary, as alternative solutions exist.
Developing a plugin for the IntelliJ Platform requires knowledge and experience with the following technologies and concepts:
Java, Kotlin, or any other JVM language, and its standard and third-party libraries
Gradle or a similar build system (for example, Maven)
experience with IntelliJ Platform-based IDE (for example, IntelliJ IDEA)
Keep in mind that the IntelliJ Platform is a large project, and while we are doing our best to cover as many topics as possible, it is not possible to include every feature and use-case in the documentation. Developing a plugin will sometimes require digging into the IntelliJ Platform code and analyzing the example implementations in other plugins.
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It is highly recommended to get familiar with the Explore the IntelliJ Platform API section before starting with the plugin implementation.