MPR

SDR-Detector. GSM Scanner, RTL-SDR, StingWatch, Meteor

Mixcloud-Unfollowers. Check if DJs (promoters/bots) unfollowed you on Mixcloud

Android-IMSI-Catcher-Detector. AIMSICD against IMSI-Catchers, StingRay and Silent SMS!

android-cellid. Simple Android application to show the current GSM cell ID