Spiceworks
Free
Spiceworks is a professional network for the information technology (IT) industry.
GLPI
Open Source
GLPI (Gestionnaire Libre de Parc Informatique) is a free IT Asset Management, issue tracking system and service desk solution.
Trakdesk
Commercial
Trakdesk is a fully customizable customer support platform with all the bells and whistles you would need to provide exceptional customer support.
Compare OTRS ITSM with alternatives
Compare Spiceworks and OTRS ITSM and decide which is most suitable for you.