OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Quarkus: Supersonic Subatomic Java.

Vert.x is a tool-kit for building reactive applications on the JVM

jOOQ is the best way to write SQL in Java

Micronaut Application Framework

Java libraries for writing microservices

requery - modern SQL based query & persistence for Java / Kotlin / Android

An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu

Ebean ORM

Dependency injection via source code generation

Controller generation for Javalin, Helidon SE.

Device tree to build LineageOS 14.1 and RR Nougat for Leeco 1s devices ( m6795 )