HipChat

Business communication platform unifying departmental chats, voice, and file sharing in an intuitive interface

Lightweight multi-network chat client that runs from USB, keeping conversations portable, simple, and secure

Chat program that encrypts conversations for privacy

Well-rounded VoIP software that enables free communication using any modern device

Comprehensive collaboration hub for chat, video meetings, and managing remote teams in one place

The popular messaging application for Facebook users

Feature-rich open-source Telegram client offering multi-account support, enhanced privacy, and flexible media playback