Indigo ELN vs Signals Notebook
| Indigo ELN | Signals Notebook | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, self-hosted, Web | api, macOS, Web, Windows |
| Free plan | Yes | No |
| Electronic signatures | Yes | Yes |
| API access | Yes | Yes |
| Export formats | PDF, SDF | PDF, JSON, SDF V3000, CSV, Microsoft Office, ChemDraw |
| Audit trail | — | Yes |
| Approval workflows | — | Yes |
| Offline access | — | No |
| Search scope | — | full_text |
Both are listed in Best Electronic Lab Notebook Software. On Samsung Mobile US Press, Signals Notebook scores higher on our published basis.