Reverse Engineering Tools

Tools	Description
apktool	It is a tool for reengineering Android apk files that can decode resources to the nearly original form and rebuild them after the modification.
dex2jar	It converts jar to dex by invoking dx.
diStorm3	It is a lightweight, easy to use and fast decomposer library.
edb-debugger	It is a modular and cross platform debugger.
jad	It is a java de-compiler.
javasnoop	It attaches itself to an existing process and instantly begin tampering with method calls, run custom code, or just analyse the processing of the system.
JD-GUI	It is a graphical utility that displays java source codes of ".class" files.
OllyDbg	It is a 32-bit assembler level analysing debugger for Microsoft Windows.
smali	It is an assembler /disassembler for the dex file used by dalvik.
Valgrind	It is a tool for debugging and profiling Linux programs.
YARA	Using YARA, you can create a description of malware based on textual or binary patterns.