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: Telegram is a cloud-based instant messaging and voice over IP service. It offers end-to-end encrypted video calling, file sharing, and several other features. Telegram clients exist for both mobile and desktop systems.
Type: software
Pricing: Free