Zendesk is a mature helpdesk: shared inboxes, ticket routing, SLAs, macros, and reporting that scale from a two-person team to a support floor of hundreds. The workflows are battle-tested and the integrations are everywhere. What pushes teams to look elsewhere is the meter. Pricing is per agent per month and the genuinely useful features - automation, advanced analytics, the better SLA tooling - sit on the higher tiers, so the cost climbs both as you hire and as you ask the product to do more. On top of that, every ticket and customer conversation lives in Zendesk's cloud, on their schema and their export terms.
The open source alternatives below run the same core helpdesk - email-to-ticket, assignment, canned replies, customer history - on a server you control. Adding a teammate is a database row, not a new line on an invoice, and the entire history of your support conversations stays in storage you own and can move whenever you decide to.
Chatwoot is an open-source, self-hosted customer support platform that centralizes conversations in one inbox. It is built for businesses that want to handle live chat, email, and social messaging while keeping full control over their customer data.
UVdesk is an open-source helpdesk system built on Symfony and Backbone.js for customer support teams. It turns customer queries into support tickets and provides separate admin, agent, and customer login areas for managing service requests.
GLPI is a free IT asset and service management application built around a single database for the hardware, software, and contracts an organization runs. It pairs asset tracking with an ITIL-aligned service desk, so the system that records a computer, printer, or license also handles the tickets and changes raised against it.
Zammad is a web-based, open-source helpdesk and customer support platform for handling customer inquiries and tickets. It brings communication from email, chat, telephone, and social media into one system so support teams can work from the same place instead of juggling separate channel tools.
FreeScout is a lightweight, self-hosted help desk and shared inbox built with PHP and the Laravel framework. It is aimed at teams that want a Zendesk or Help Scout alternative without handing customer support data to a service they do not control.
osTicket is a widely used open source support ticket system for collecting and managing customer requests in one place. It turns inquiries from website forms, email, and phone into tickets in a multi-user web interface, so agents can organize, respond to, and archive support work without switching systems.
Frappe Helpdesk is an open-source ticket management tool for customer support teams. It helps you organize issue handling and resolve customer queries through a clean interface with a straightforward setup.
Peppermint is an open source ticket management system for help desks and service desks. It is built to manage internal staff and customer requests through a simple, logical workflow, positioned as a leaner alternative to Zendesk and Jira.
EspoCRM is a free, open-source CRM for managing customer relationships. It organizes leads, contacts, sales opportunities, marketing campaigns, support cases, and related business records in one web application that organizations can run on premise.
Trudesk is an open-source help desk and ticketing solution that keeps support work organized and simple. The Community Edition is the self-hosted product, built with Node.js and MongoDB, and is aimed at teams that want client communication in one place.
OTOBO is a flexible, web-based open source ticketing tool for service organizations such as IT help desks, customer service centers, and call centers. It streamlines service communication around tickets and extends beyond basic help desk work into knowledge management and IT service management.
