Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Save From Web - Instagram story, photo, and video downloader - Free, online, and one-click download.
Event Hunt - Startups and Tech Events Curated By Locals
Instander - Instander is a free modification of the Instagram app for android. It contains many improvements over the original application. Instander has a lot of different improvements that give the user an edge over other Instagram users.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
InstaDp.info - With InstaDp you can view instagram profile picture for free in full(original) size and download it right away.