Tessio vs Zammad
| Tessio | Zammad | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | €7/mo |
| Open source | No | No |
| Platforms | self-hosted, Web | api, Linux, self-hosted, Web |
| Free plan | Yes | Yes |
| Internal employee portal | Yes | — |
| AI-powered search | Yes | — |
| Single sign-on | Yes | Yes |
Both are listed in Best IT Knowledge Base Software. On The Geeks Club, Zammad scores higher on our published basis.