Alternatives and similar repositories for jdk21

Users that are interested in jdk21 are comparing it to the libraries listed below

• openjdk / jdk17u
  https://wiki.openjdk.org/display/JDKUpdates/JDK+17u
  ☆111Updated last week
• openjdk / jdk17
  https://openjdk.org/projects/jdk/17 released 2021-09-14
  ☆188Updated 3 years ago
• openjdk / zgc
  The Z Garbage Collector https://wiki.openjdk.org/display/zgc
  ☆166Updated last month
• openjdk / leyden
  https://openjdk.org/projects/leyden
  ☆140Updated this week
• openjdk / jdk19
  https://openjdk.org/projects/jdk/19 released 2022-09-20
  ☆39Updated 2 years ago
• openjdk / jdk17u-dev
  https://openjdk.org/projects/jdk-updates
  ☆55Updated last week
• openjdk / crac
  https://openjdk.org/projects/crac
  ☆197Updated this week
• apache / maven-resources-plugin
  Apache Maven Resources Plugin
  ☆55Updated 2 weeks ago
• apache / maven-compiler-plugin
  Apache Maven Compiler Plugin
  ☆216Updated 2 weeks ago
• openjdk / amber
  https://openjdk.org/projects/amber
  ☆186Updated this week
• graalvm / native-build-tools
  Native-image plugins for various build tools
  ☆403Updated last week
• openjdk / lilliput
  https://openjdk.org/projects/lilliput
  ☆54Updated last week
• dreamlike-ocean / PanamaUring
  使用panama api为java提供io_uring的绑定而无需使用jni绑定，同时统一文件IO和网络IO的模型，提供一套易用的异步IO API
  ☆114Updated last month
• jakartaee / servlet
  Jakarta Servlet
  ☆291Updated 2 weeks ago
• reactor / reactor-pool
  ☆143Updated this week
• jakartaee / jaf-api
  Jakarta Activation Specification project
  ☆37Updated 7 months ago
• openjdk / jtreg
  https://openjdk.org/projects/code-tools/jtreg
  ☆63Updated last week
• jakartaee / validation
  Jakarta Validation
  ☆142Updated last month
• stokito / IdeaJol
  Intellij plugin that shows an object layout in memory to help optimize it. Uses OpenJDK JOL tool
  ☆147Updated 8 months ago
• openjdk / jdk11u
  https://openjdk.org/projects/jdk-updates
  ☆150Updated last week
• jakartaee / expression-language
  Jakarta Expression Language
  ☆78Updated this week
• spring-attic / spring-cli
  A CLI focused on developer productivity
  ☆108Updated 3 weeks ago
• JetBrains / java-annotations
  Annotations for JVM-based languages.
  ☆431Updated 3 months ago
• netty / netty-incubator-codec-http3
  Experimental HTTP3 codec on top of QUIC
  ☆179Updated 2 weeks ago
• openjdk / jdk-sandbox
  JDK Committers Sandbox
  ☆66Updated this week
• eclipse-ee4j / glassfish-grizzly
  Grizzly
  ☆165Updated this week
• HanSolo / JDKMon
  A little tool written in JavaFX that monitors your installed JDK's and inform you about updates
  ☆313Updated 6 months ago
• openjdk / asmtools
  https://wiki.openjdk.org/display/CodeTools/asmtools
  ☆67Updated 2 weeks ago
• snakeyaml / snakeyaml
  Mirror of https://bitbucket.org/snakeyaml/snakeyaml
  ☆120Updated 2 weeks ago
• mapstruct / mapstruct-spring-extensions
  Helpful additions to MapStruct when using the Spring Framework.
  ☆162Updated this week