...Just like Kotlin itself, Dokka supports mixed-language projects. It understands Kotlin's KDoc comments and Java's Javadoc comments. You can run Dokka using Gradle, Maven or from the commandline. It is also highly pluggable.
Test Automation framework intended for coarse-grained testing
Koarse Grind has been rewritten in Kotlin (hence the 'K'). It's new home is here: https://github.com/william-hood/koarse-grind-kotlin
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Test Automation framework for Kotlin/Java with an integrated web-based user interface. It is intended for larger-grained testing of an installed & configured product, rather than unit testing.