
01/ Zammad
Best for: Multi-channel ticketing.
Runs on: Web, Self-hosted
Visit ZammadSales & Marketing · Customer support helpdesk
Zendesk by Zendesk: Ticketing, live chat and help centre for support teams. Pricing: per-agent subscription. Here are 3 free options that cover the same job.
| Alternative | Type | Platforms | Best for | |
|---|---|---|---|---|
![]() Zammad | Open source | Web, Self-hosted | Multi-channel ticketing | Get it |
![]() FreeScout | Open source | Self-hosted | A shared support inbox | Get it |
![]() osTicket | Open source | Self-hosted | Simple, proven ticketing | Get it |
ZendeskThe paid original | Per-agent subscription | – | Customer support helpdesk | Visit |

Best for: Multi-channel ticketing.
Runs on: Web, Self-hosted
Visit Zammad
Best for: A shared support inbox.
Runs on: Self-hosted
Visit FreeScout
Best for: Simple, proven ticketing.
Runs on: Self-hosted
Visit osTicketYes. Zammad is a strong free option for multi-channel ticketing. Other choices include FreeScout, osTicket.
Zammad, FreeScout, osTicket are open source.