Talkus - Chat with your website users from Slack
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Slacking Pigeons - Chat in real time with your users directly from Slack
Drift - A messaging app that helps you grow your business.
Avochato - Text messaging for your business.
Slaask for Social Networks - Chat with your customers on Facebook and Twitter via Slack!