Twilio is described as 'Web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best' and is an website in the social & communications category. There are more than 100 alternatives to Twilio, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Windows apps. The best Twilio alternative is UniStack. It's not free, so if you're looking for a free alternative, you could try Vendel or Sherlock Calls. Other great sites and apps similar to Twilio are Telnyx, Dexatel, Teliqon and Smarter Contact.
Started as a reimplementation of the open source Plivo Framework (unmaintained as of 2015), Eqivo simplifies the integration between web applications and voice-enabled endpoints, such as traditional phone lines (PSTN), VoIP phones, webRTC clients etc.
Apptimate is the most secure Communication and Positioning as a Service. We offer secure Point-2-multi point communication between users, apps, devices and “things”, outside firewalls. It’s anonymized, advanced elliptical curve encrypted, multi-factor authenticated and...
SMS Messaging, Simplified. Compliant, reliable and scalable SMS infrastructure for business-critical transactional and marketing messages.
Seamlessly send thousands of SMS in seconds with reliable delivery and real-time tracking with DIGINTRA's Bulk SMS API.
SMS Privacy allows you to buy mobile phone numbers, using Bitcoin, with completely anonymous signup. We don't even take an email address if you don't want to supply one. You can send and receive SMS text messages on these anonymous numbers using our web interface.
Dualhook is a privacy-first WhatsApp Business API platform with Coexistence support, direct webhook routing, and no message storage.
Dialogue management for the business enterprise that manages real-time dialogues for Microsoft Teams and Skype for Business.
Remotely is a suite of essential business applications including chat, video conferencing, office apps and more which will help you work from anywhere. The suite includes full-featured Zoho tools like Cliq, Meeting, ShowTime, WorkDrive and many more.
Unifonic is a customer engagement platform that enables organizations to delight customers with remarkable omnichannel experiences. By unifying communication channels, messaging apps, and chatbots, Unifonic streamlines conversations at every touch point throughout the customer...
Clan Meeting helps brands integrate secure, high-quality video meetings into their software with a scalable, low-latency conferencing API.
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