The modern Java bytecode editor

A lightweight and fast AOP framework for Android App and SDK developers

A fast, incremental, concurrent framework to develop compile plugin for android project to manipulate bytecode

Multifunctional java deobfuscation tool suite

inspectIT is the leading Open Source APM (Application Performance Management) tool for analyzing your Java (EE) applications.

The open-source Java obfuscation tool working with Ant and Gradle by yWorks - the diagramming experts

Companion library to SpongePowered Mixin with many custom injectors for a more expressive experience.

Easy-to-use java bytecode editor - successor of JByteMod!

All-in-one Java reverse engineering tool

Create reports for function calls with argument and return values on java. No servers or open connections, just plug the agent and get the results.

Standalone program and library which can downgrade Java classes/programs down to Java 8

Minecraft Server (Bukkit, Spigot, Paper) backdoor, using ow2 asm

A practical tool for bytecode manipulation and creating Managed Code Rootkits (MCRs) in the Java Runtime Environment

Class Annotation Processor Tool on Android

An extensible java agent framework that instruments (modifies the bytecode at class loading time) programs running on the JVM, with the purpose of capturing method invocation events (start, finish, errors ...) and notifying custom listeners.

A smart, fast alternative to Java's reflection API.

Maven plugin that will apply Javassist bytecode transformations during build time.

常见框架开发技术的demo汇总，包括java字节码编程（java agent, instrument, byte buddy）, java动态代理，自定义classloader，java spi, zero copy, netty, spring aop/condition，spring boot starter, 数据库连接池等。

A java agent with the main purpose of preventing other agents

KibbleLands Spigot patcher