Clearstream - Clearstream is a SMS marketing and online texting software.
TouchStar Dialler - TouchStar Dialer is an outbound dialer and contact center solution providing features and functionalities you need to operate a contact strategy.
Maytapi - Serverless Whatsapp Api with Chat and Agent support.
Ecsow - Skype dialer,auto dialer,predictive dialer, phone dialer, Ecsow is a fully featured outbound dialing system integrated with Skype.
Octopush - Octopush is a company providing technology-based communication solutions, including SMS, Web solutions, and Email APIs.
Better Voice - Everything you need in a Business Class phone system.