Alternativy k hackpad pro Etherpad s licencí open source

• Etherpad
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) JavaScript BSD PortableApps.com Chrome Docker Cloudron Heroku Etherpad Firebase
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence