Java Library for JD-Core, a java decompiler
JD-Core is a JAVA decompiler written in JAVA.
An Open Source Java Decompiler Gui for Procyon
A standalone Java Decompiler GUI
A Java Decompiler Eclipse plugin
GDA is a new fast and powerful decompiler in C++(working without Java VM) for the APK, DEX, ODEX, OAT, JAR, AAR, and CLASS file. which supports malicious behavior detection, privacy leaking detection, vulnerability detection, path solving, packer identification, variable tracking, deobfuscation, python&java scripts, device memory extraction, data decryption, and encryption, etc.
A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)