Zendesk alternatives: 8 free & open-source picks
Curated, verified, and actually free. No trials, no crippled tiers. Star counts and last-activity dates checked by hand, not scraped and forgotten.
A proper support inbox with chat, email and a help center; free software, billable server chores.
licenseMIT
runsyour machine or their cloud
installHosted signup or Docker Compose
dataConversations, contacts and configuration in PostgreSQL; Redis handles jobs and cache; attachments use local disk or configured object storage
the catch vs ZendeskIt has less mature enterprise reporting, administration, marketplace integration and support operations than Zendesk, while self-hosting adds upkeep.
setupSelf-hosting requires a VM or Docker, PostgreSQL, Redis, SMTP, persistent or object storage, HTTPS, backups and upgrades
facts verified 2026-08-10
A serious ticket desk with email, chat, SLAs and a knowledge base; setup is the first ticket.
licenseAGPL-3.0
runsyour machine or their cloud
installHosted signup or Docker Compose, Portainer or OS package
dataTickets and users in PostgreSQL, queue and cache in Redis, search in Elasticsearch or OpenSearch, and attachments in filesystem or object storage
the catch vs ZendeskIt is a serious desk but has a smaller marketplace and reporting ecosystem than Zendesk and a heavier self-hosted stack to operate.
setupSelf-hosting normally means Docker plus PostgreSQL, Redis, Elasticsearch or OpenSearch, mail channels, a domain and backups
facts verified 2026-08-10
Email becomes an assigned team inbox with notes and collision warnings; the nicer modules open a wallet.
licenseAGPL-3.0
runsyour server
installUpload the PHP application and run its Laravel web installer
dataMailbox, ticket and contact data in MySQL or MariaDB; attachments in application storage
the catch vs ZendeskIt is primarily an email help desk, with fewer channels, weaker reporting and automation, and paid add-on modules where Zendesk is more integrated.
setupPHP and a web server, MySQL or MariaDB, cron, IMAP or SMTP or OAuth, backups and separately paid modules for several extras
facts verified 2026-08-10
Email and web forms become assigned tickets; dated, dependable and very much your PHP server.
licenseGPL-2.0
runsyour server
installUpload the release archive to a PHP and MySQL web server and run the installer
dataTickets, users and messages in MySQL; attachments can be kept in the database or configured filesystem storage
the catch vs ZendeskIts interface and workflows are dated and its automation, reporting, channel coverage and integration ecosystem trail Zendesk substantially.
setupPHP, MySQL, web-server permissions, inbound and outbound mail, cron and backups
facts verified 2026-08-10
Tickets, SLAs and a knowledge base in a clean Frappe shell; the five-minute installer still leaves you the pager.
licenseAGPL-3.0
runsyour machine or their cloud
installFrappe Cloud signup or easy-install script, Bench or Docker
dataTickets and knowledge-base data in the Frappe site database; attachments in site file storage
the catch vs ZendeskIt is younger and narrower in channels, reporting, marketplace integrations and enterprise administration than Zendesk.
setupSelf-hosting requires Frappe Bench or Docker, MariaDB and Redis services, mail, a domain, backups and upgrades
facts verified 2026-08-10
A modern email-and-live-chat desk in one compact stack, because apparently that was allowed.
licenseAGPL-3.0
runsyour server
installDocker or prebuilt binary with PostgreSQL
dataConversations, contacts, rules and settings in PostgreSQL; attachments live on the self-hosted instance or configured storage
the catch vs ZendeskIt is young and compact, with much less channel depth, reporting, marketplace integration and enterprise administration than Zendesk.
setupDocker or a binary plus PostgreSQL, mail channels, a domain, HTTPS, persistent storage and backups
facts verified 2026-08-10
A real hosted ticket desk for unlimited users, as long as Helpdesk is your one free Odoo app.
licenseproprietary, free
runstheir cloud
installHosted signup
dataTickets, messages and attachments live in Odoo Online's managed database and filestore
the catch vs ZendeskIt has less mature omnichannel support, reporting, marketplace integration and enterprise administration than Zendesk.
setupNone for Helpdesk alone; installing another Odoo app ends the one-app-free arrangement
facts verified 2026-08-10
Live chat, tickets, email, and a help centre for zero dollars; the tiny tawk.to badge pays the rent.
licenseproprietary, free
runstheir cloud
installHosted signup plus a JavaScript snippet or CMS plugin
enginestawk.to AI Assist; underlying models are not disclosed
dataChats, tickets and contacts live in tawk.to's cloud database until deleted; chat and ticket data can be exported
the catch vs ZendeskIts ticketing, SLA, reporting, workflow and integration depth are much lighter than Zendesk's.
setupThe website widget or plugin must be installed; removing tawk.to branding is paid
facts verified 2026-08-10
last updated 2026-08-10 · no votes, no pay-to-list · just what's real
FreeScoutEmail tickets are free; the customer portal and web form are a paid module.
Freshdesk Free ProgramThe free program expires after six months, so it cannot replace an ongoing desk.
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| Chatwoot | MIT | self-host, real ops | web, ios, android, self-hosted | 35,534 | 2026-08 |
| Zammad | AGPL-3.0 | self-host, real ops | web, self-hosted | 5,800 | 2026-08 |
| FreeScout | AGPL-3.0 | self-host, real ops | web, self-hosted | 4,400 | 2026-07 |
| osTicket | GPL-2.0 | self-host, real ops | web, self-hosted | 3,868 | 2026-06 |
| Frappe Helpdesk | AGPL-3.0 | self-host, real ops | web, self-hosted | 3,300 | 2026-08 |
| LibreDesk | AGPL-3.0 | docker to self-host | web, self-hosted | 2,682 | 2026-08 |
| Odoo Helpdesk One App Free | proprietary, free | they host it | web | — | — |
| tawk.to | proprietary, free | they host it | web, macos, windows, ios, android | — | — |
People still pay for Zendesk because support software survives because missing or misrouting one customer message is expensive and every channel behaves differently. The recurring cost buys message delivery, webhooks, threading, identity, permissions, attachments, notifications, spam, search, uptime, and retention, not just the visible interface. If none of that applies to you, any pick above saves $828 a year.
Is there a free alternative to Zendesk?
Yes: Chatwoot, Zammad, FreeScout and 5 more. Every tool on this page is either open source or genuinely free to use long-term: no trials, no crippled tiers.
Should I just build my own Zendesk?
Our verdict is NO TANTO. A consolation build is possible, but the paid product's decisive value sits outside a solo rebuild. For Zendesk, operate a small email and web support inbox with tickets and an audit trail. The hard boundary is omnichannel routing, marketplace, workforce tools, reporting, compliance, and support, plus channel integrations and support operations. If you'd rather build, the exact one-shot prompt is free at puedovibecodearlo.app/zendesk.
