ticketing

glpi

+42

GLPI is a Free Asset and IT Management Software package, Data center management, ITIL Service Desk, licenses tracking and software auditing.

zammad/zammad

+28

Zammad is a web based open source helpdesk/customer support system.

helpdesk

+15

Modern, Streamlined, Free and Open Source Customer Service Software

freescout

+13

FreeScout — Free self-hosted omnichannel AI-powered helpdesk & shared mailbox

alf.io

+3

alf.io - The open source ticket reservation system for conferences, trade shows, workshops, meetups