SMS, Fax, Voice Broadcasting and auto dialer Software, A unified communications open source autodialer developed over freeswitch communication engine and ICTCore communications framework

Voice chat/VoIP solution for unity.

Zabbix notifications to Viber, SMS, Voice Call, MS Teams, ...

A Flutter Chat application, using Firebase for Google Sign In/Sign Up and exchange text, emoji and images. Integrated Agora Video Call SDK to communicate over video call

Relp ✨ A web messenger. Enjoy free text chat and file sharing ✔

A modernish IM client inspired by Skype 0.97

Test Voice Call over the Internet with Sinch Service. https://sinch.com/

Python Based Open Source VoIP GUI Calling App

Virtual 3D Model Conference Room

Capstone Project, visit the website: https://one-call-away.herokuapp.com/ And check out our fully functioning chat app and voice call!

Listens Binance websockets and notifies for every crypto currency price changes via Telegram Bot and IFTTT.

Group voice call using the Agora Web SDK NG.

AndroCom - Infrastructureless communication without internet

Open-source JavaScript Chat UI Kit to build your own chat experience.

Open-source React Native Chat UI Kit to build your own chat experience.

Generate automatic voice calls with a Raspberry pi and SIM900 GSM module

Sound programs in Python created with PyAudio

Voice messenger written using JavaFx (server and client side) with author's message exchange protocols (like XMPP), as well as author's RTP.

A sample project integrating PushKit and CallKit