CloudTalk - Work locally, grow globally
Vocalify - Let your website talk, engage with visitors through audio
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Hound - Your code, always in style. Hound comments on style violations in GitHub pull requests, allowing you and your team to better review and maintain a clean codebase.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
JustComments - Easy to set up, ad-free and reliable comment system