FreeScout is an open source help desk and shared mailbox — free self-hosted Zendesk & Help Scout alternative.

• Demo
• Requirements
• Installation
• Cloud Hosted FreeScout
• Updating
• Migrate to FreeScout
• Development Guide
• API
• FAQ
• Security

FreeScout Development Process is explained here. Make sure to read it before posting on the repository forum.

You can support the project by voting for the app.