Alternativy Viravis pro všechny platformy s licencí open source

• Všechny platformy
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) PHP BSD Windows Mobile Wordpress PortableApps.com Wine Slack Apple Messages Microsoft Office 365 Amazon Web Services Google Drive Cloudron MailChimp Trello Zapier Salesforce.com HubSpot Gravity Forms Google Drive - Sheets Intercom Autopilot
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence