Alternativer til Best Contact Form til Self-Hosted med open source-licens

• Self-Hosted
  Alle platforme Windows Mac Linux Chrome OS Android iPhone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Windows Mobile Slack Microsoft Office 365 MailChimp Trello Salesforce.com HubSpot Google Drive - Sheets Intercom Autopilot
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens