| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | — |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Personal Knowledge Management Software | 8.7 (#6) | 7.7 (#26) |
| Purpose | Foam is a personal knowledge management system built on Visual Studio Code and GitHub for organizing research, creating discoverable notes, and publishing knowledge. | Org-roam is a plain-text personal knowledge management system for non-hierarchical note-taking and networked thought. |
| Support | The installation guide directs users to the FAQ, Foam Community Discord, GitHub Issues, and GitHub Discussions for help. | The project points users to Discourse and Slack for community help and to GitHub issues for bugs and feature suggestions. |