osTicket Alternatives (2026): 10 Ticketing Systems to Consider

Replacing osTicket means choosing between three kinds of ticketing software. The lightweight help desks are Hesk, Trudesk, Libredesk and SupportCandy; the service management suites are GLPI, iTop, OTOBO and Znuny; and Zammad and Odoo Helpdesk are wider customer support tools. One open source name you may see recommended, Peppermint, isn't here: its address, peppermint.sh, no longer hosts a help desk.

How do you check an open source project before installing it?

Treat that missing name as a general rule for open source software. Before you download anything:

• Open the project's own website and check it still describes the software you expect.
• Find the source repository and look for recent releases and commits.
• Download only from the official site or repository, not from a mirror you found through search.
• Read the licence, so you know what you can change and host.

Which ten ticketing tools are here?

They're sorted by name, in no particular order of quality. Each line pairs a use case with a short quote from the project or vendor.

GLPI

Best for: IT teams that track hardware and software assets beside their tickets: 'an open source ITSM solution', in the project's words.

Hesk

Best for: Small and medium-sized teams choosing between a cloud service and their own server: 'beautifully simple yet powerful', in the vendor's words.

iTop

Best for: IT departments that need a configuration database behind the service desk: 'flexible', in the project's own description.

Libredesk

Best for: Support teams answering live chat and WhatsApp as well as email, with CSAT surveys and SLAs: 'omnichannel', in the project's words.

Odoo Helpdesk

Best for: Companies already running Odoo apps who want tickets in the same suite: 'multichannel support', in the vendor's words.

OTOBO

Best for: Service teams outside IT as well as inside it, on a modular web platform: 'for IT and beyond', in the project's words.

SupportCandy

Best for: Businesses running support from their own WordPress site: 'a self-hosted helpdesk plugin', in the vendor's words.

Trudesk

Best for: Teams automating help desk replies and customer messaging: 'free-to-use', in the project's words.

Zammad

Best for: Bringing all customer communication into one place: 'powerful helpdesk software that is never overwhelming', in the vendor's words.

Znuny

Best for: Admins who plan upgrades around long-term support releases, which the project offers.

Help desk, service desk or support suite?

A lightweight help desk does one job: tickets in, replies out, with a portal for customers. It's the closest match to what you're leaving and the quickest to install and learn.

A service management suite is built for internal IT. Expect asset records, configuration data, change and problem processes, and more set-up. Choose one if your tickets are mostly about laptops, accounts and servers rather than customer questions.

A wider support tool brings more channels and sits closer to sales and customer data. That suits a team whose tickets come from customers by email, chat and phone. My open source help desk guide covers more self-hosted options, and if a hosted service is on the table, my Zendesk alternatives are a good place to compare.

Maintain a help desk or service desk project? Send it in to be considered for this page.

How do the ten compare on type and free use?

Tool	Kind of tool	Free option on its site
GLPI	Service management suite	Free and open source
Hesk	Lightweight help desk	Not stated
iTop	Service management suite	Free and open source
Libredesk	Lightweight help desk	Free and open source
Odoo Helpdesk	Wider support tool	Free and open source
OTOBO	Service management suite	Free and open source
SupportCandy	Lightweight help desk	Not stated
Trudesk	Lightweight help desk	Free and open source
Zammad	Wider support tool	Free trial named
Znuny	Service management suite	Free and open source

What's the safest way to trial a self-hosted desk?

1. Set up a test server or virtual machine that matches your production stack, including the database and runtime each project needs.
2. Install two candidates from their official sources only.
3. Take a sample of real tickets, with attachments, and bring them across using each tool's import options or API.
4. Recreate your email piping, departments and service level rules.
5. Have two agents work the queue for a few days and note what slowed them down.
6. Check backups, updates and how you'd restore after a failed upgrade.

Any advice before you migrate tickets for good?

Yes: keep the old system read-only for a while rather than switching it off. Ticket history answers questions months later, and a read-only copy is easy to keep. Agree up front which fields have to come across, such as requester, status, assignee, attachments and internal notes. Anything you can't map, export to a file you can search.

Move your support address routing last, once the test queue has run cleanly, so customers never notice the switch. And write down the small things the old desk handled without anyone thinking about it: canned responses, auto-replies, help topics, custom fields on your ticket form and staff permissions. They're easy to miss in a demo and they're what agents will ask about on day one.

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Frequently asked questions

Can I run a help desk on shared hosting?

Some lightweight desks run on a standard PHP and database host, while service management suites usually need more control over the server. Check each project's requirements page before you choose hosting.

What's the difference between a help desk and ITSM software?

A help desk handles tickets and replies. IT service management adds processes such as change, problem and asset management, usually for internal IT teams.

Can I get commercial support for an open source help desk?

Some projects are backed by companies that offer hosting or support contracts. Check the project's site for an official partner or cloud edition.

How do I move email piping to a new desk?

Set up the new desk to fetch mail from a test address first. Once tickets arrive correctly, point your live support address at it and keep the old system read-only.

Is a WordPress ticket plugin enough?

For a small team handling customer questions on a WordPress site, it can be. If you need asset tracking, approvals or IT processes, look at a service management suite instead.