Smooch.io for Facebook Messenger - Message your customers from Slack, Front, a bot or anywhere!
Talkus - Chat with your website users from Slack
VECA - Your eCommerce assistant
Slacking Pigeons - Chat in real time with your users directly from Slack
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Slaask for Social Networks - Chat with your customers on Facebook and Twitter via Slack!