chitchat - Chat Room with Selfies and Pagers (yes, pagers!)
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
Chalk - Chalk is a calculator that tries to do right what others do wrong.
Front - The platform for exceptional customer service at scale.
Twist - Check fewer notifications, do more meaningful work. Twist is the team communication app for calmer, more organized, and more productive teamwork.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support