Need help navigating the Java ecosystem (coming from C++)

This page summarizes the projects mentioned and recommended in the original post on /r/ExperiencedDevs

Our great sponsors
  • Onboard AI - ChatGPT with full context of any GitHub repo.
  • WorkOS - The modern API for authentication & user identity.
  • InfluxDB - Power Real-Time Data Analytics at Scale
  • Agrona

    High Performance data structures and utility methods for Java

    Martin Thompson is one of the leaders in that space: his blog is a really great place to start. His Agrona library is a bunch of high-performance data structures, which you can use directly, but which can also serve as examples of writing such code.

  • jmh

    Aleksey Shipilev is another such leader, whom is especially knowledgeable about the internals of the JVM. His writings are invaluable. He is (was) the lead of the Java microbenchmark framework (JMH} which is how one would write small performance experiments in Java, and learn what really makes a difference or now.

  • Onboard AI

    ChatGPT with full context of any GitHub repo. Onboard AI learns any GitHub repo in minutes and lets you chat with it to locate functionality, understand different parts, and generate new code. Use it for free at

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

Suggest a related project

Related posts