But most of them are not for enterprise grade code. No enterprise is using React or Java 10. Maybe docker, but the project addresses the real enterprise problem: using Java and in its most ugly form (including using Spring).
I've enjoyed some interesting blockchain related ideas recently, most of them start off quite innocently but then comes the "but we want to use smart contracts" and I'll tell them that there is no need and it would add unnecessary complication "but if we can use the blockchain it will be worth more" -__-
I'd really like to see the microservice version of that.