Britannica Library vs Citizendium
| Britannica Library | Citizendium | |
|---|---|---|
| Platforms | Web | Web |
| Free plan | No | Yes |
| Citation tools | Yes | Yes |
| Educator resources | Yes | |
| Institutional access | Yes | |
| Content formats | multimedia and interactive | text |
| Update frequency | continuous | not stated |
| Mobile apps | No |
Listed together in Best Online Encyclopedias