Video SDK from Zoom - Build fully customizable video-based apps
YouMail - YouMail turns visual voicemail into a personal assistant for handling all your missed calls.
Amazon Chime - Online meetings and video conferencing
MightyCall - Virtual phone system that lets you run your business from anywhere.
OpenTok - Build a custom video experience using our robust APIs, or add plug-and-play video to your website in minutes using Video Chat Embeds. Start Building for FreeTalk to SalesTalk to Sales .
Grasshopper - Grasshopper enables entrepreneurs to build a virtual office that connects callers to employees, wherever they are.