https://code.google.com/p/dex-editor/
https://code.google.com/p/android-security-list/wiki/AndroidSecurityList
a list of android applications for pentesting,
DroidCat is inspired by firecat and aims to be a one stop solution to finding all ethical hacking / information security related application published in android domain. This Application is also a part of HaXdroiD suite which aims to empower the Android handset for Penetration Testing purposes.
http://code.google.com/p/roottools/
http://code.google.com/p/droidwall/
http://code.google.com/p/android-os-monitor/
Source code: http://code.google.com/p/droidsheep/
http://code.google.com/p/androidscreencast/
http://www.isecpartners.com/mobile-security-tools/intent-fuzzer.html
http://www.isecpartners.com/mobile-security-tools/intent-sniffer.html
http://www.isecpartners.com/mobile-security-tools/package-play.html
http://www.isecpartners.com/mobile-security-tools/manifest-explorer.html
AIMSICD against IMSI-Catcher, StingRay and silent SMS!
https://github.com/SecUpwN/Android-IMSI-Catcher-Detector
Darshak is an application serving two primary usage: detecting any suspicious activity of being tracked via cellular network for example Silent SMS; to assess security capabilities of your current cellular provider in realtime.
https://github.com/darshakframework/darshak
DroidSniff is an Android app for Security analysis in wireless networks and capturing facebook, twitter, linkedin and other accounts.