Voice And SMS

Brings voice and messaging to your web and mobile applications.

Open Source

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

Plivo simplifies your customer engagement.

Bandwidth offers SIP trunking, Emergency communications, and Voice & Messaging APIs.

SMS messaging service provider offering two-way SMS communication services.

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

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

Clockwork is an Easy Text Message API. An SMS API for Developers. Build powerful apps and include SMS. Signup is free, Try it now.

Textlocal is an app that allows for individual and group texting. It is designed for businesses that have employers and employees who need to communicate with each other, making it easier to announce group meetings and special announcements.

UltraSMSScript is a business text messaging & SMS marketing software platform. Pay a 1-TIME fee for the software or have us host it for you with our monthly hosted plans! Start your own white label SaaS SMS Marketing business.

SimpleTexting offers SMS and text marketing services for companies of all sizes.

Vonage is a cloud-based all-in-one VoIP software solution designed for multiple industries such as accounting, healthcare, finance and marketing etc.

Slick Text provides businesses and organizations with an easy and affordable platform for text message marketing.

EZ Texting provides SMS marketing solutions to businesses of all sizes.