Alternativy k GroupHigh pro Slack s licencí open source

• Slack
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Windows Mobile Facebook Slack Chrome Twitter Zapier HootSuite Buffer Sprout Social dlvr.it TweetDeck
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence