Alternativen zu CircleBack für Linux mit Open Source-Lizenz

• Linux
  Alle Plattformen Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 iPad Android Tablet Windows S PlayBook Web Self-Hosted Software as a Service (SaaS) Windows Mobile Java Mobile Microsoft Office Outlook iOS S60 Chrome Gmail Firefox OS Sailfish OS Salesforce.com HubSpot Intercom Marketo Pardot Eloqua Google Contacts
• Open Source Lizenz
  Beliebige Lizen Freie Lizenz Open Source Lizenz Kommerzielle Lizenz