Zendesk is a hosted helpdesk for ticketing, knowledge bases and support chat, priced per agent with add-ons for automation. Open helpdesks let you handle customer email and chat with unlimited agents and keep every ticket and customer record in your own database.
8 open-source alternatives to Zendesk you can host yourself, ranked by GitHub stars and updated daily.
| # | App | Category | Stars | Language | Updated |
|---|---|---|---|---|---|
| 1 |
chatwoot/chatwoot
|
Helpdesk & Ticketing | 39,682 | Ruby | today |
| 2 |
uvdesk/community-skeleton
|
Helpdesk & Ticketing | 19,642 | CSS | 1mo |
| 3 |
zammad/zammad
|
Helpdesk & Ticketing | 6,109 | Ruby | today |
| 4 |
freescout-help-desk/freescout
|
Helpdesk & Ticketing | 4,660 | PHP | today |
| 5 |
osTicket/osTicket
|
Helpdesk & Ticketing | 4,004 | PHP | 4mo |
| 6 |
polonel/trudesk
|
Helpdesk & Ticketing | 1,496 | JavaScript | 6mo |
| 7 |
bestpractical/rt
|
Helpdesk & Ticketing | 1,174 | Perl | 1d |
| 8 |
RotherOSS/otobo
|
Helpdesk & Ticketing | 341 | Perl | today |