具有开源许可证的Apple Messages版JumboLogic的替代方案

• Apple Messages
  所有平台 Windows Mac Android iPhone Apple Watch iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Slack Apple Messages Apple TV Trello Microsoft Office Suite Atlassian Stash Google App Engine
• 开源许可证
  任何牌照 免费许可证 开源许可证 商业牌照