HubSpot Conversations VS Get Worm

Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.

Chatlio - When you have a business to run, your average instant messaging software just will not do. You need an internal presence upon which your entire team can collaborate on. Read more about Chatlio.

PitchWall - Browse new startups, and submit your mobile app/games startup's beta page here.

Chatra - Live chat software that helps to increase revenue and collect feedback providing an easy way for website owners to talk to visitors in real time.

StartupBase - Community of makers & early adopters