Alternativer til Sidekick for alle platforme med open source-licens

• Alle platforme
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Apple Watch Android Wear iPad Android Tablet Web Software as a Service (SaaS) Microsoft Office Outlook Chrome Gmail Zapier Pipedrive Salesforce.com
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens