MIWIFI by Xiaomi - Wifi router beta with a twist: you build it yourself
Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.
Wifi Porter - Connect guests to your network quickly
Hmu - Hmu is a social app by SC Friends that enables users to search for new friends by viewing a list of users from all around the globe and tap on the desired profile to engage in live chat with them.
Velop - Whole-home mesh Wi-Fi by Linksys
Flashlight - Control your Mac with a keystroke.