Description: Maytapi is an open-source telephony platform that enables connecting software applications to phone systems. It provides APIs for building voice, SMS, and telephony solutions.
Type: software
Pricing: Open Source
Description: Signal is a free, open source, encrypted messaging and voice calling app. It offers end-to-end encryption for secure communication. With Signal, users can send encrypted messages, make voice and video calls, and share media with individuals or groups.
Type: software
Pricing: Free