Mattermost
Mattermost 是一款开源的团队聊天和协作工具，提供类似Slack的功能，支持多平台使用，适合企业级团队内部沟通。
主要功能：
- 支持私聊、群聊和团队频道
- 集成多种开发工具和CI/CD
- 高度定制化和扩展性
- 可自托管并支持多种安全设置
Mattermost is an open-source team communication and collaboration tool that provides Slack-like functionality, supporting multiple platforms, ideal for enterprise-level internal communication.
Main Features:
- Private, group chats, and team channels
- Integration with development tools and CI/CD pipelines
- Highly customizable and extensible
- Self-hosted with multiple security settings