Rocket.Chat
Description: Rocket.Chat is an open-source, self-hosted communication platform that provides team collaboration through chat, video, and audio. With features such as channels, direct messaging, and integrations, Rocket.Chat facilitates real-time communication for teams and communities. Its customization options and extensibility make it suitable for diverse collaboration needs.
Type: software
Pricing: free
Viber
Description: Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
Type: software