Zammad

Email-based customer support application, help desk and shared mailbox (alternative to Zendesk and Help Scout).

Marketing, sales, and customer service platform designed to help businesses attract more engaged customers.

Helpdesk software which helps you streamline your company's support, offers an easy setup, clean user interface, and automation tools to resolve customer queries efficiently.

Modern omnichannel customer support desk. Live chat, email, and more in a single binary.

Real-time error tracking for your applications with all the details in one place. Easy setup with clear instructions included.

Bug tracker, fits best for software development.