QuickBlox

QuickBlox is a communications API platform designed for developers and businesses to add real-time chat, voice and video calling, and AI-powered assistants to their apps. The platform provides white-label solutions such as Q-Consultation for video meetings, SmartChat Assistant (a trainable AI chatbot), and Q-municate (a messaging app), with special features for healthcare (including HIPAA compliance), finance, education, and more. It supports multiple SDKs (iOS, Android, JS, React Native, Flutter) and offers both cloud and on-premises hosting.