Frida
7.7#2 in reverse engineering toolsFree planFree planAndroidiOSAPILinux
VisitFrida suits developers and security researchers who need to inspect or trace running applications without source code. It also fits reverse-engineers working across its supported platforms and scripting languages.
Procyon suits Java developers seeking metaprogramming, runtime code generation, expression trees, or bytecode decompilation tools. It may also suit developers integrating decompiler functionality through a public API.