Donut Slack Bot - Get matched with a new coffee buddy each week in Slack
Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.
Tawkify - Remove all dating frustrations & leave it to your matchmaker
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.
Double - Tinder for double dates
Flashlight - Control your Mac with a keystroke.