Google Voice Alternatives

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies

freemium $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)

UberConference provides a rich visual interface for conference calls. Simple, visual, and free to use, it's audio conferencing done right.

Free and secure calls and messages to anyone, anywhere. Keep your conversations going no matter where you are.

Skype for Business, formerly Lync, is unified communications platform that enables instant messaging, conferencing and online meetings

8x8's VoIP business phone systems deliver affordable, cloud-based voice, video, messaging, and call center solutions, helping you serve customers anytime, anywhere.

Secure and flexible cloud phone services and unified communications.

CXone is a fully-integrated and open cloud contact center platform combining the industry’s leading Omnichannel Routing with the foremost technologies in Workforce Optimization, Analytics, Automation and Artificial Intelligence.

The Genesys PureConnect platform is an all-in-one customer experience solution that’s easy to use, flexible and customizable to your business needs.

Jabber.org is an IM service based on XMPP and one of the key nodes on the XMPP network.

Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

Grasshopper enables entrepreneurs to build a virtual office that connects callers to employees, wherever they are.

Switch is a cloud-based phone system built for Google Apps users.