Fusion Reactor

Fusion Reactor is also one of the leading Java debugging tool to use in 2021. The one feature that makes Fusion Reactor stand out from others in this list is its AMP support. Fusion Reactor is equipped with an impressive set of features that provide everything Java developers want in an APM tool.

With Fusion Reactor, you can develop, test, and analyze applications in a non-production environment and isolate issues and improve code quality before deploying applications to production.