Bytecode Libraries
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Javassist (JAVA programming ASSISTant) makes Java bytecode manipulation simple. It is a class library for editing bytecodes in Java.
Last Release on Apr 24, 2026
Byte Buddy is a Java library for creating Java classes at run time. This artifact is a build of Byte Buddy with all ASM dependencies repackaged into its own name space.
Last Release on Mar 31, 2026
The Byte Buddy agent offers convenience for attaching an agent to the local or a remote VM.
Last Release on Mar 31, 2026
The Commons Byte Code Engineering Library (BCEL) is designed to provide users with a convenient way to analyze, create, and manipulate compiled .class files.
Last Release on Jan 22, 2026
bytecode analysis tool
Last Release on Dec 8, 2025
Spring Instrumentation provides class instrumentation support and classloader implementations to be used in application servers.
Last Release on Apr 17, 2026
Repackaged and shaded asm jars
Last Release on Jan 28, 2026
A bytecode generation library.
Last Release on Jan 8, 2026
High level API to generate and transform Java byte code. This version has no dependences (ASM is renamed and included in the jar)
Last Release on Aug 12, 2019
High level API to generate and transform Java byte code.
Last Release on Aug 12, 2019