Alternativy Tiggr pro všechny platformy s licencí open source

• Všechny platformy
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone iPad Web Self-Hosted Software as a Service (SaaS) Slack Microsoft Office Word Google Drive Google Drive - Docs Google Apps Trello Microsoft Office Suite Google Drive - Sheets Atlassian Stash Google App Engine
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence