BSafe tracks your location and will send alerts to specified contacts if you press its large SOS button. It can also send alerts if you don’t check in by a certain time, and it lets you ring your phone if you want to fake an incoming call. (Free, Android or iOS)
Leave Me Alone Lite blocks all incoming calls and/or texts from anyone you’ve decided that you don’t care to hear from anymore. Better yet, the blocked party won’t even know that a block is on. (Free, Android only)
Hollaback! lets users share information about harassment by strangers, so that the offender can be identified by others in the area and perhaps be shamed, scolded, or even brought to justice by law enforcement. You can detail where an incident occurred, what happened, and even post photos of the offender. (Free, Android or iOS)
Source: Mashable.com
