Twilio - Brings voice and messaging to your web and mobile applications.
AFNetworking - AFNetworking is a networking library for iOS and Mac OS X.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
React Native - A framework for building native apps with React
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
OpenSSL - OpenSSL is a free and open source software cryptography library that implements both the Secure Sockets Layer (SSL) and the Transport Layer Security (TLS) protocols, which are primarily used to provide secure communications between web browsers and …