OpenMarket Alternatives

Send and receive text messages globally with Twilio SMS.

Run your business from anywhere with Salesforce Mobile. Access info, reports, and take critical action anywhere, anytime. And use a variety of CRM apps and plugins to do more with your business on your phone.

Nexmo is a simple two way SMS API with global reach and wholesale rates

WompMobile offers tow kind of functions – first creating new mobile apps and secondly converting the websites into mobile applications.

Google Voice gives you one number for all your phones, voicemail organized in an email format, free...

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

A JavaScript library for building user interfaces

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

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.)

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

UI Frameworks and App Development Tools

Click a button to start a free video call

Secure and flexible cloud phone services and unified communications.