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Twilio lets you use standard web languages to build voice, VoIP and SMS applications via a web API. Build the next generation of communications with us.

Free high quality video chat and video conferencing from ooVoo. Talk live face-to-face with up to 6 people at once.

Call-Em-All automated messaging service, for organizations of all sizes. Simple, affordable for everyone. Start a free trial or text DEMO to 292929.

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iCall lets you make and receive free or low cost phone calls on your Windows computer, iPhone, or iPod Touch

Freebies for kids, parents, students - everyone! Get freebies, free samples and other free stuff every day. All my freebies are legit, plus learn how to avoid freebie scams and other freebie tips at About.com Freebies.

Tango brings friends and family closer together by offering free mobile video calling on iPhone, iPad, iPod touch, and Android devices. Tango works on Wi-Fi and 3G. Make free video calls anywhere with Tango.

Yahoo! Messenger - Chat with friends for free and enjoy stealth settings, video calls, PC calls, file sharing, photo sharing, SMS, emoticons, & more.

Phonevite is the most popular community-based voice broadcasting service, used by schools, churches and thousands of organizations to send important automated calls, emergency alerts, phone tree messages, prayer requests, invitations, event reminders...

Viber is an application for iPhone and Android phones that lets you make free phone calls and send text messages to anyone who also has the application installed.

SpoofCard offers you the ability to change or spoof what someone sees on their caller ID display when they receive a phone call. Key Benefits: Make calls truly private, Ability to record calls, Fun and inexpensive, Easy to use and fast to set up! Ins...

Plivo - Web meets Telephony