Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Nertivia - Chat Client - Chat with friends or anyone around the world, free gif and emoji support.
Talkus - Chat with your website users from Slack
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Amity Communities - Discuss trending topics, news, and live events in real-time
Speaklyn - Website visitors chat with you on Facebook Messenger