BibSonomy vs Citavi
| BibSonomy | Citavi | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Web | extension, Web, Windows |
| Free plan | Yes | — |
| PDF annotation | — | Yes |
Both are listed in Best Reference Management Software. On The Geeks Club, BibSonomy scores higher on our published basis.