AppFlowy Cloud vs Outline
A side-by-side comparison of two self-hosted notes & knowledge base options — licensing, setup difficulty, resource needs, and what each one replaces.
Outline
Team knowledge base and wiki
| Feature | AppFlowy Cloud | Outline |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 15 · At risk | 99 · Excellent |
| Status | Archived | Actively maintained |
| Category | Notes & Knowledge Base | Notes & Knowledge Base |
| License | AGPL-3.0 | BSL-1.1 |
| Language | Rust | TypeScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 1,024 MB | 1,024 MB |
| Deployment | docker | docker |
| GitHub stars | ★ 2,004 | ★ 40,682 |
| First released | 2023 | 2017 |
| Replaces | Notion | Notion, Confluence |
What are AppFlowy Cloud and Outline?
AppFlowy Cloud
AppFlowy Cloud is the self-hostable backend service that powers collaboration and sync for the AppFlowy open-source workspace and note-taking application. It lets teams keep documents and data on their own servers.
- Self-hosted sync backend
- Real-time collaboration
- Document storage
- Open-source server
Outline
Outline is a fast, collaborative knowledge base and wiki for teams with real-time editing and powerful search. It targets organizations that want a self-hosted documentation hub. It is deployed via Docker with PostgreSQL and Redis.
- Real-time collaborative editing
- Fast full-text search
- SSO and team permissions
- Slack and API integrations
AppFlowy Cloud vs Outline: key differences
The biggest difference is maintenance: AppFlowy Cloud's repository is archived and no longer developed, while Outline is actively maintained. AppFlowy Cloud is written in Rust, while Outline is built with TypeScript. Licensing differs — AGPL-3.0 for AppFlowy Cloud versus BSL-1.1 for Outline. Outline is the more established project (first released 2017), while AppFlowy Cloud arrived in 2023. Outline has the considerably larger community, at 40,682 GitHub stars versus 2,004.
Why pick each one
Choose AppFlowy Cloud if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Active community (2k GitHub stars)
- Written in Rust
Choose Outline if…
- Polished team wiki
- Great search
- Strong integrations
Watch out for
- Requires Postgres and Redis
- BSL is not fully open source
Frequently asked questions
Is AppFlowy Cloud or Outline better?
Neither is universally better. Outline has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are AppFlowy Cloud and Outline free and open-source?
Yes. AppFlowy Cloud is licensed under AGPL-3.0 and Outline under BSL-1.1. Both can be self-hosted at no software cost.
Can I run AppFlowy Cloud and Outline with Docker?
AppFlowy Cloud: yes. Outline: yes.