http://www.spy-phone-app.com is now https://www.spappmonitoring.com . Spy Phone App is now Spapp Monitoring
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
FlexiSPY - FlexiSPY is the original "phone spy" software - it's been on the market since 2005.
Keepsafe Unlisted - Protect your phone number, private texts and calls
iKeyMonitor - iKeyMonitor is a mobile app for both iPhone and Android devices that with parental control capabilities and phone monitoring features.
Burner - Disposable phone numbers -- now with MMS photo support
Prey - Prey is the simplest and most reliable solution for tracking, data protection & management for Windows, Mac, and mobile devices. Track with precise location, wipe, reset and secure devices across all platforms.