360dialog - 360dialog is a mobile app marketing automation platform that allows app publishers to engage and convert users.

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

Bigtent - BigTent is a web-based organization and communication portal for groups.