Open source instant messaging system

1. HuLa is an open source instant messaging (IM) framework developed by the HulaSpark team, built on a modern technology stack, providing a complete solution from messaging, security encryption to multi-end adaptation. Its core goal is to help enterprises quickly build privately deployed IM systems that support highly customizable extensions to meet the needs of social, collaboration, customer service and other scenarios. 2. Core Features and Advantages Full message type support: text, image, voice, file transfer, support for message withdrawal and status acknowledgement. Enterprise-level security architecture: End-to-end encryption: AE...