# Open-source alternatives to Notion

> Open-source alternatives to Notion that run locally, allow commercial use and need no paid API include Trilium Notes (notes, wikis and docs and sync across devices; AGPL-3.0). AFFiNE and Anytype cover all 4 Notion jobs.

Notion: Paid cloud workspace for notes, wikis and docs, and databases shown as tables and boards, synced across devices. Pricing: Free plan; Plus £8.50 and Business £16.50 per member/month billed yearly (GBP as shown); Enterprise custom (checked 2026-10-15). Facts checked 2026-10-15.

## Projects

| Project | Jobs | Runs locally | Commercial use | Paid services | Hardware |
|---|---|---|---|---|---|
| [Outline](https://repoquarry.dev/projects/outline) | wiki-docs, notes | Self-hosted server (Docker) or hosted; no desktop app documented | Production use allowed, except offering a commercial Document Service | None required to self-host; hosted getoutline.com is optional | 512 MB RAM minimum, 1 GB+ recommended; low-powered CPU fine |
| [AFFiNE](https://repoquarry.dev/projects/affine) | notes, wiki-docs, databases, sync, real-time-collaboration | Local-first desktop app; server self-hosted with Docker | MIT client; EE-only backend parts need an AFFiNE subscription in production | None required; AFFiNE Cloud Pro/Team and Self-Hosted Team are optional | Not documented in the repo |
| [AppFlowy](https://repoquarry.dev/projects/appflowy) | notes, wiki-docs, sync | Desktop app; self-hosted server uses a closed-source commercial image | AGPL client usable commercially; team server is commercial, free tier 1 seat | None for personal use; Pro cloud and paid self-hosted tiers for teams | Not documented |
| [Joplin](https://repoquarry.dev/projects/joplin) | notes, sync | Desktop and mobile apps; notes stored locally, sync optional | AGPL apps OK; Joplin Server is personal-use only (Business tier is paid) | None required; Joplin Cloud and Joplin Server Business are optional | Not documented |
| [SiYuan](https://repoquarry.dev/projects/siyuan) | notes, wiki-docs, databases | Desktop app with local storage; Docker server option (browser only) | Yes; AGPL-3.0, and most features free for commercial use | Free locally; any sync (S3/WebDAV or official cloud) is paid | Not documented |
| [Trilium Notes](https://repoquarry.dev/projects/trilium) | notes, wiki-docs, sync | Desktop app, plus self-hosted sync server with web UI | Yes under AGPL-3.0 (share source of modified network versions) | None; sync uses your own server (third-party hosts exist) | Not documented |
| [Anytype](https://repoquarry.dev/projects/anytype) | notes, wiki-docs, databases, sync | Offline-first desktop app; optional self-hosted sync network | Commercial use only on networks authorised by Any Association | Free tier; paid memberships add storage, shared channels, ANY ID | Self-hosted sync network needs Docker and ~1 GB RAM; client needs not documented |

## Common questions

### Is there a free, open-source alternative to Notion?

Yes. Anytype, AFFiNE, AppFlowy, SiYuan and Trilium Notes are free to download and run on your own computer without paid API keys. Anytype and AFFiNE cover every job we list for Notion; the others cover only part of it, so check which job you need.

### Can I do notes locally without a Notion subscription?

Yes, with Outline (BUSL-1.1), Anytype (Custom licence) and AFFiNE (Custom licence). Check the hardware notes and licence conditions on each page before you start.

### Can I do wikis and docs locally without a Notion subscription?

Yes, with Outline (BUSL-1.1), Anytype (Custom licence) and AFFiNE (Custom licence). Check the hardware notes and licence conditions on each page before you start.

### Which Notion alternatives can I use commercially?

Confirmed: SiYuan and Trilium Notes. With conditions: AFFiNE, Anytype, AppFlowy, Joplin and Outline. This is not legal advice; read each licence.

### Does any open-source project replace all of Notion?

AFFiNE and Anytype cover every job we list for Notion.

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Source: RepoQuarry (https://repoquarry.dev/alternatives/notion). Data licence: CC BY 4.0. Quotes are from project documentation and belong to their authors.