GitHub - felixb/portal-timer: A timer for ingress portals sitting directly in your notification try
Flip Timer for Ingress APK for Android Download
Ingress - Who's going to help Agent Matthias Falbe get his #Ingress Portal Hack Timers ready for production? See https://plus.google.com/+Ingress/posts/Nq6Q4CjgYqL | Facebook
Ingress timers — Ingress
Integrated Timer For Ingress - Apps on Google Play
Hack | Fev Games
Timer for Ingress portal by Hiroshi Nomura
Recursion timer and abilities to play — Ingress
Integrated Timer For Ingress - Android app on AppBrain