Open Loyalty for Startups - Open source stack for building customer focused products
Skype for Slack - Move your slack discussions to a group skype call
Promoter - The Most Effective Way To Engage And Learn From Customers
Calls on Slack - Make voice calls in Slack
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
CallKite - Your website’s video call center in just one click.