Nertivia - Chat Client - Chat with friends or anyone around the world, free gif and emoji support.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Spectrum - Browser-based app to visualize the frequencies of an audio file.
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.
Amity Communities - Discuss trending topics, news, and live events in real-time
Avochato - Text messaging for your business.