I do think Kotlin is a 'better java' while Scala fails to satisfy that niche. However, I wonder if we'll actually see some big Open Source projects/platforms r

I do think Kotlin is a 'better java' while Scala fails to satisfy that niche. However, I wonder if we'll actually see some big Open Source projects/platforms released that are written in Kotlin. For Scala you have Kafka, Spark and Flink which are widely deployed in the enterprise. Will Kotlin have a marquee infrastructure project to tout soon?