Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.
Waflee - Provides an effortless way to connect to your Wi-Fi
Simple Flashlight - A clean flashlight with an extra bright display and customizable stroboscope.
Wi-Fi Widget - See, test, and share your wifi without unlocking your iPhone
Task Killer - Task Killer is an application which automatically forces other applications to stop which are running in the background, making you enhance your smartphone performance and battery life.
WiFi Signal - Monitor and troubleshoot your Wi-Fi connection