[01] // TracingJava
btrace
Safe, dynamic tracing for Java applications. Attach to a live JVM. You do not restart or recompile it.
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Tools to observe
the live JVM.
Open-source tools for tracing, profiling and diagnosis of Java applications.
[02] // AI agentsJava
agent-plugins
Plugins for Claude Code, Codex and Pi. Your coding agent uses BTrace and JFR to find faults in a live JVM.
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[03] // ExtensionsPython
btrace-extensions
Community extensions for BTrace 3+
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[04] // ProfilingJava
jafar
A fast, low allocation JFR parser with CLI and MCP server. Experimental implementations of JFR parser in non-Java runtimes.
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// static data, Oct 2026
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