UI Sources - Mobile design patterns & interaction videos
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Product Hunt - A website that lets users share and discover new products
Event Hunt - Startups and Tech Events Curated By Locals
Page Flows - User flow design inspiration for mobile & desktop
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets