Tower Collector!

collects the GPS coordinates of GSM cell towers for the open source project OpenCellID• sends the collected data automatically or manually to the OpenCellID servers• supports Wi-Fi data transmission• available in four languages: German, English, French, and Spanish• help texts and detailed information on all saved values in all four languages

Radiocells.org is a community project to collect informations on cell tower and wifi base stations and bring them on a map.The project itself was founded in 2009, then under the name openbmap.org.

Mozilla is a nonprofit project and global community building a better internet. Mozilla Stumbler is an open-source wireless network scanner that collects GPS data for the Mozilla Location Service, our crowd-sourced location database. As you move around, the app "stumbles" upon new Wi-Fi networks and cell towers. The Mozilla Location Service combines these wireless network measurements to provide geolocation services for Firefox OS devices and other open source projects. For more information, visit our project page:• https://location.services.mozilla.com »

The GSM Security Map at gsmmap.org compares the protection capabilities of mobile networks. This app collects data and adds it to GSM Map.This application currently only works on Android 4.1.2 Samsung S2 and S3 devices and requires root priviliges during the mobile network data capture.