Alternativy k wireframe.cc pro Slack s licencí open source

• Slack
  Všechny platformy Windows Mac Linux Android iPhone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Firefox PortableApps.com Slack Electron / Atom Shell Trello Microsoft Office Suite Atlassian Stash Google App Engine
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence