AppFlowy vs siyuan
Is it time to switch? We break down the differences so you can stop bleeding money.
Choose AppFlowy.
If you want to own your data, save money, and avoid vendor lock-in, AppFlowy is more popular among developers.
What Actually Matters
No fluff — just the differences that affect your decision
Both are open source under AGPL-3.0. No lock-in on either side — pick based on fit, not fear.
Both can run on your own metal with Docker. Full data ownership, no cloud dependency. We have deploy guides for each.
AppFlowy leads at 77.3k stars vs 46.7k, but both have solid communities. You won't be alone with either choice.
AppFlowy is built in Dart, siyuan in TypeScript. Matters if you want to contribute, extend, or debug internals.
Try both — most offer free tiers. The right pick depends on your stack size, team, and tolerance for DevOps.
AppFlowy
Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.
Why Choose AppFlowy
- ✓Local-first architecture — your data never leaves your machine
- ✓Privacy-focused alternative to Notion
- ✓Built in Rust for native desktop performance
Drawbacks
- ×No web version (yet)
siyuan
Self-hosted personal knowledge management software built with TypeScript and Go, providing a private note-taking platform.
Why Choose siyuan
- ✓Built with TypeScript and Go — high-performance backend
- ✓Self-hosted solution — full control over data
- ✓AGPL-3.0 license — free to use and modify
Drawbacks
- ×Self-hosting can be complex
- ×Smaller ecosystem compared to proprietary alternatives
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