Talkus - Chat with your website users from Slack
Usersnap - Usersnap is a customer feedback software for SaaS companies that need to constantly improve and grow their products.
Chatlio - When you have a business to run, your average instant messaging software just will not do. You need an internal presence upon which your entire team can collaborate on. Read more about Chatlio.
zipBoard - ZipBoard is a web-based visual bug tracking & issue tracking tool that helps developers, testers and project managers collaborate during website and elearning development.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Marker.io - Visual feedback and bug reporting tool for websites