Alternatívy programu Viravis pre MailChimp s licenciou s otvoreným zdrojom

• MailChimp
  Všetky 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
• Licencia Open Source
  Akákoľvek licencia Bezplatná licencia Licencia Open Source Obchodná licencia