Alternatif untuk enban untuk Slack dengan lesen sumber terbuka

• Slack
  Semua platform Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch iPad Android Tablet Kindle Fire Web Self-Hosted Software as a Service (SaaS) PHP jQuery Wordpress Slack Chrome Microsoft Office 365 Gmail Cloudron Microsoft Azure Bootstrap Trello Microsoft SharePoint Yii Framework Sandstorm.io Aha! Priority Matrix Roadmap Planner
• Lesen Open Source
  Mana-mana lesen Lesen percuma Lesen Open Source Lesen komersil