Androguard

Full python tool to play with Android files DEX, ODEX and APK

Apktool

Reverse engineering Android apk files

Recon-ntoo

NTOORECON - Number To Operator Reconnaissance

CiLocks

Crack Interface lockscreen, Metasploit and More Android/IOS Hacking

Gps-sdr-sim

Software-Defined GPS Signal Simulator