Stack Internal vs Viking Docs
| Stack Internal | Viking Docs | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $39/mo |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | Yes | Yes |
| SSO support | Yes | — |
| Paid from | — | $39/mo |
| Publishing audience | — | both |
| Custom domain | — | Yes |
| Version history | — | Yes |
Both are listed in Best Knowledge Base Software. On Freedom251, Stack Internal scores higher on our published basis.