iTop vs Zammad
| iTop | Zammad | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, macOS, self-hosted, Web, Windows | Web, Linux |
| Free plan | Yes | Yes |
| Single sign-on | — | Yes |
Both are listed in Best IT Knowledge Base Software, Best IT Help Desk Software. On Freedom251, iTop scores higher on our published basis.