androidterm：
Android Terminal Emulator
http://code.google.com/p/androidterm/
droidbox：
Android Application Sandbox
https://code.google.com/p/droidbox/
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/
jad：
Java Decompiler tool
http://www.varaneckas.com/jad/
dex2jar：
Tools to work with android .dex and java .class files
http://code.google.com/p/dex2jar/
ded：
Decompiling Android Applications
http://siis.cse.psu.edu/ded/
ARE：
Virtual Machine for Android Reverse Engineering
https://redmine.honeynet.org/projects/are
STOWAWAY：
A static analysis tool and permission map for identifying permission use in Android applications
http://www.android-permissions.org/
COMDROID：
A static analysis tool for identifying application communication-based vulnerabilities.
http://www.comdroid.org/
dex-decomplier：
Dex decompiler
https://code.google.com/p/dex-decomplier/
amatutor：
Android恶意代码分析教程
https://github.com/secmobi/amatutor
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/
APK_OneClick：
decompile & disassemble APKs
http://forum.xda-developers.com/showthread.php?t=873466
APK IDE：
小米人APK改之理（Apk IDE）是一款可视化的用于修改安卓Apk程序文件的工具
http://bbs.pediy.com/showthread.php?t=168001
ApkToolkit
是一款可视化的用于修改安卓Apk程序文件的工具
http://bbs.pediy.com/showthread.php?t=169975
smali-cfgs：
Smali Flow Graphs
https://code.google.com/p/smali-cfgs/
droidwall：
Android Firewall
https://code.google.com/p/droidwall/
connectbot：
Secure shell (SSH) client for the Android platform
https://code.google.com/p/connectbot/
金山火眼：
在线APK文件扫描及行为分析
https://fireeye.ijinshan.com/
Android安全监测网：
在线监测Android病毒检测
http://www.apk32.com/index.php
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/