Meetingbird for Gmail - View your calendar and schedule meetings right from Gmail
Discotech - Opentable for nightlife. Tickets, guest lists, and VIP.
Kin Calendar - The simple and connected calendar
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
Calendly for Chrome - Schedule meetings without leaving your inbox
Nightler - Find the people. Live the night.