¿Cuantas jdks usables existen?

Me pregunte cuantas Jdks existen, normalmente trato de usar la de oracle, solo por costumbre o adoptOpenJDK. Solo por costumbre, no por ser fanático, y me pregunte cuantas o cuales podría utilizar y me encontré con esta amplia lista : 

JDK	PROVIDER	AVAILABLE VERSIONS	MISCELLANEOUS
Oracle JDK	Oracle	7 8 9 10 11 12 13 14 15 16-ea	Builds for different Java projects under development: Lanai: Implements a new Java 2D graphics rendering pipeline for macOS Loom: I already touched the subject in a previous post Metropolis: Use Graal in form of the native library, instead of C2 as HotSpot high optimizing JIT compiler Panama: Test a prototype implementation of the native binder Valhalla: Test a prototype implementation of L-World Inline Types
Adoptium	Eclipse	8 9 10 11 12 13 14 15	Choice of traditional HotSpot vs. OpenJ9 Recent rebranding of AdoptOpenJDK
Dragonwell	Alibaba	8 11	According to their own words: Optimized for online e-commerce, financial, logistics applications running on 100,000+ servers Supports Linux/x86_64 platform only
Corretto	Amazon	8 11 15
Zulu	Azul	6 7 8 9 10 11 12 13 14 15 16-ea	Zulu Mission Control: Monitoring and Management for Java Applications Zulu OpenJDK Discovery API: Programmatically fetch lists of OpenJDK builds Azul provides an Alpine-compatible Docker image
Liberica	BellSoft	8 9 10 11 12 13 14 15	REST Product Discovery API Liberica provides two Alpine-compatible Docker image: one for glibc one for musl
Red Hat build of OpenJDK		8 9 10 11 12 13 14 15
Sap Machine	SAP	11 15 16-ea	Features contributed by SAP

Y ojo que falta en esta lista GraalVM que lo he usado para unas pruebas y anda joya.