Cal.com vs Linear vs Notion vs Trello
| Attribute | ||||
|---|---|---|---|---|
| Category | Events, Scheduling & Booking | Productivity & Collaboration | Productivity & Collaboration | Project Management |
| Pricing | Free tier | Free tier | Free tier | Free tier |
| Starting price | $15 | $10/month | $10 | $5/month |
| Free tier | Yes | Yes | Yes | Yes |
| Free trial | Yes | No | Yes | Yes |
| Deployment | Hybrid | Cloud | — | Cloud |
| API available | Yes | Unknown | Yes | Unknown |
| Platforms | — | ios | — | — |
| Certifications | 3 | — | — | — |
| Integrations | 6 | 5 | 18 | 4 |
| Company | — | — | Founded 2013 | Founded 2011 |
| Feature attributes | ||||
| Sso Saml | ✓ Yes | — Unknown | ✓ Yes | — Unknown |
| Rbac | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown | — Unknown |
| Webhooks | ✓ Yes | — Unknown | ✓ Yes | — Unknown |
| Data Export | — Unknown | — Unknown | — Unknown | — Unknown |
| Calendar Integrations | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Group Scheduling | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Payment Collection | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Routing Forms | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Self Hosting | ✓ Yes | — Unknown | — Unknown | — Unknown |
| Docs Editor | — Unknown | — Unknown | — Unknown | — Unknown |
| Real Time Collaboration | — Unknown | — Unknown | ✓ Yes | — Unknown |
| Storage Included | — Unknown | — Unknown | — Unknown | — Unknown |
| Offline Access | — Unknown | — Unknown | — Unknown | — Unknown |
| Templates | — Unknown | — Unknown | ✓ Yes | — Unknown |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.