TaintDroid：
Realtime Privacy Monitoring on Smartphones
https://github.com/TaintDroid
http://appanalysis.org/index.html
apktool：
A tool for reverse engineering Android apk files
http://code.google.com/p/android-apktool/
smali：
An assembler/disassembler for Android's dex format
https://code.google.com/p/smali/
AndBug：
a debugger targeting the Android platform's Dalvik virtual machine intended for reverse engineers and developers
https://github.com/swdunlop/AndBug
apkinspector：
APKinspector is a powerful GUI tool for analysts to analyze the Android applications.
https://code.google.com/p/apkinspector/
androguard：
Reverse engineering, Malware and goodware analysis of Android applications ... and more (ninja !)
https://code.google.com/p/androguard/
mobile sandbox：
Provide an Android application file (apk-file) and the Mobile-Sandbox-System will analyze the file for malicious behaviour.
http://mobilesandbox.org/
apkstatics：
a tool for APK static security check
https://code.google.com/p/apkstatics/
DexGuard：
DexGuard is specialized optimizer and obfuscator for Android
http://www.saikoa.com/dexguard
android-stuff：
This is a repository for random scripts and files using for Android reversing
https://github.com/jlarimer/android-stuff
Dexter：
Dexter is a static android application analysis tool
http://code.google.com/p/android-market-api/
JEB：
The Interactive Android Decompiler.
http://www.android-decompiler.com/
Virustotal：
VirusTotal is a free service that analyzes suspicious files and URLs and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware.
https://www.virustotal.com/en/
SandDroid
An APK Analysis Sandbox
http://sanddroid.xjtu.edu.cn/
AndroTotal：
AndroTotal is a free service to scan suspicious APKs against multiple mobile antivirus apps.
http://beta.andrototal.org/
