https://www.znuny.com/en
Znuny - Open-Source Ticketing & ITSM Platform
Suggested MetaZnuny is the open-source help desk and ITSM platform trusted by IT teams worldwide. Manage tickets, automate workflows, and deliver great...
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https://www.donkey.support/blog/best-open-source-ticketing-systems-small-teams-2026
Best Open Source Ticketing Systems for Small Teams (2026)
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https://tickets.chobble.com/compared-to/cal-com/
Open Source Ticketing vs Cal.com Scheduling | Chobble Tickets
Cal.com is a scheduling platform that took its production code closed source in April 2026. See how Chobble Tickets compares for paid bookings and event...
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https://frappe.io/helpdesk
Open Source Support Ticketing System | Frappe Helpdesk
Streamline customer service with Frappe Helpdesk, the open-source support ticketing software designed to simplify support and boost efficiency. Manage tickets,...
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