HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Buffer - Buffer makes it super easy to share any page you're reading. Keep your Buffer topped up and we automagically share them for you through the day.
Zendesk for Startups - Everything you need for seamless customer conversations.
Free HelpCrunch Live Chat - Free live chat & in-app messenger for startups
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
Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates