Alternativer til Mixmax for alle platforme med open source-licens

• Alle platforme
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Web Software as a Service (SaaS) Firefox Opera Safari Microsoft Office Outlook Chrome Microsoft Edge Apple Mail Outlook Gmail Brave Google Apps Zapier Pipedrive Salesforce.com
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens