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| At a glance | SiYuan ↗ Build a local-first knowledge base with linked blocks. | Capacities ↗ Organize knowledge around objects and their connections. | Reflect ↗ Keep connected notes close to your own files. |
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| Best suited for | People who want a configurable personal notes system with block-level connections. | Researchers, writers and knowledge workers building a connected personal workspace. | Individuals who want connected personal notes and a file-oriented knowledge workflow. |
| Access model | Open source | Freemium | Open source |
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| Considerations | Sync services and commercial features have separate terms. Check the English documentation, supported devices and backup workflow before migrating. | Object-based organization has a learning curve. Review free-plan limits and paid capabilities on the official plans page. | Availability and payment differ by application and device. Check the current Reflect Open and mobile app details before migrating. |
| Source | Official website ↗ | Official website ↗ | Official website ↗ |
| Current plans | Check current pricing ↗ | Check current pricing ↗ | Check current pricing ↗ |
| Listing reviewed | Oct 19, 2026 | Oct 19, 2026 | Oct 19, 2026 |
Compare products serving a similar need. This table summarizes listing information; it is not a hands-on benchmark or a rating.