AppFlowy vs Obsidian
A side-by-side comparison of two self-hosted notes & knowledge base options — licensing, setup difficulty, resource needs, and what each one replaces.
AppFlowy
Open-source workspace and Notion alternative
VS
Obsidian
Local-first knowledge base on a folder of Markdown files
| Feature | AppFlowy | Obsidian |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 100 · Excellent | 96 · Excellent |
| Category | Notes & Knowledge Base | Notes & Knowledge Base |
| License | AGPL-3.0 | Proprietary |
| Language | Dart | JavaScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 1,024 MB | 256 MB |
| Deployment | docker, binary, source | binary |
| GitHub stars | ★ 76,904 | ★ 21,797 |
| First released | 2021 | 2020 |
| Replaces | Notion, Evernote | Evernote, Notion, OneNote |
What are AppFlowy and Obsidian?
AppFlowy
AppFlowy is an open-source workspace for notes, wikis, and project management designed as a privacy-first alternative to Notion. It can run locally and supports a self-hosted sync backend.
- Notion-like blocks and databases
- Local-first data
- Self-hostable cloud backend
- Cross-platform apps
Obsidian
Obsidian is a powerful personal knowledge base that works on a local folder of plain Markdown files. While the app is proprietary, your notes remain fully local and portable, and self-hosted sync is possible via plugins.
- Plain Markdown file storage
- Bidirectional links and graph view
- Large community plugin ecosystem
- Local-first and private
AppFlowy vs Obsidian: key differences
AppFlowy is written in Dart, while Obsidian is built with JavaScript. Licensing differs — AGPL-3.0 for AppFlowy versus Proprietary for Obsidian. Obsidian is the lighter option, starting around 256 MB of RAM against 1,024 MB for AppFlowy. AppFlowy has the considerably larger community, at 76,904 GitHub stars versus 21,797. AppFlowy lists first-class Docker deployment; Obsidian does not.
Why pick each one
Choose AppFlowy if…
- Strong Notion alternative
- Active development
Watch out for
- Self-hosted backend is newer
- Still maturing
Choose Obsidian if…
- Notes stay portable and local
- Highly extensible
Watch out for
- Core app is closed source
- Official sync is a paid service
Frequently asked questions
Is AppFlowy or Obsidian better?
Neither is universally better. AppFlowy has the larger community, while Obsidian is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are AppFlowy and Obsidian free and open-source?
Yes. AppFlowy is licensed under AGPL-3.0 and Obsidian under Proprietary. Both can be self-hosted at no software cost.
Can I run AppFlowy and Obsidian with Docker?
AppFlowy: yes. Obsidian: check the project docs for container support.
Which is lighter on resources, AppFlowy or Obsidian?
Obsidian has the smaller minimum footprint at 256 MB of RAM, compared to about 1,024 MB for AppFlowy. Real-world usage depends on library size, user count, and enabled features.