Zammad

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Flexible web-based ticketing system used for customer service, help desk, IT service management

Simple, easy to use help desk & knowledge base software. Custom branding, custom themes, restful...

Stalwart Mail Server

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All-in-one mail server with JMAP, IMAP4, and SMTP support and a wide range of modern features

FreeScout

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Email-based customer support application, help desk and shared mailbox

Frappe Helpdesk

3.0k

Helpdesk software which helps you streamline your company's support, offers an easy setup, clean...

Libredesk

2.3k

Modern customer support desk. Single binary app