Why Look for a Notion Alternative?

Notion is one of the most popular “all-in-one” workspaces right now — notes, databases, collaboration, project management, all packed into a single app. But honestly, its free plan limitations are getting harder and harder to ignore:

• Block limit on the free plan: capped at 500 Blocks (roughly 10–15 pages of notes)
• Team size: up to 10 members only
• File uploads: each attachment is limited to 5MB
• Page history: kept for only 7 days
• Cloud-only storage: your privacy depends entirely on the company

The paid plan runs at $10/month per person, which adds up pretty fast for individuals or small teams who just need basic features.

If you’re fed up with these restrictions, don’t worry — I’ve tested and put together 5 genuinely free (and mostly open-source) tools that can actually replace Notion in real workflows.

Top 5 Free Alternatives

1. AppFlowy — The Closest You’ll Get to Notion, Open-Source

Website: https://www.appflowy.io
GitHub: https://github.com/AppFlowy-IO/AppFlowy
License: AGPL-3.0

AppFlowy is pretty much the closest thing to Notion in the open-source world. Built with Flutter and Rust, it focuses on local-first workflows, data ownership, and privacy, and has already gathered 60,000+ stars on GitHub.

Platforms: Windows / macOS / Linux / iOS / Android / Web

Core Features:

• / quick commands and drag-and-drop editing, just like Notion
• Database views (tables, Kanban boards, calendars)
• AI assistant (connectable to local models)
• Real-time collaboration (self-hosted server)
• Full local storage — your data never leaves your device unless you want it to

Pros:

• UI is nearly identical to Notion, so there’s virtually zero learning curve
• 100% open-source, data stored locally by default
• Very active development, new features ship constantly
• Mobile apps launched in 2025

Cons:

• Database features aren’t as mature as Notion’s yet
• Third-party integrations are still thin
• Collaboration requires setting up your own server

Best for: People who want the Notion experience without giving up control of their data; anyone who cares about privacy; and of course, open-source fans.

2. AFFiNE — A Notion + Miro Hybrid

Website: https://affine.pro
GitHub: https://github.com/toeverything/AFFiNE
License: MIT

What makes AFFiNE stand out is that it’s not just a note-taking app — it basically merges document editing + whiteboard + databases into one tool. Think of it as Notion and Miro having a baby. It has 45,000+ stars on GitHub.

Platforms: Windows / macOS / Linux / Web

Core Features:

• Page mode (Notion-like block editor)
• Edgeless mode (infinite canvas whiteboard, Miro-like)
• Databases (tables and Kanban views)
• Built-in AI assistant (writing, summarizing, translating)
• Local-first storage with optional cloud sync

Pros:

• Switch between doc and whiteboard with one click — incredibly flexible
• Beautiful design, smooth interactions
• Very active Chinese community, excellent CJK support
• Local-first by default, cloud sync is optional

Cons:

• Mobile apps are not officially released yet
• Steeper learning curve compared to simpler note-taking apps
• Database features are still fairly basic

Best for: Creative professionals who need to take notes while sketching mind maps; product managers and designers who use whiteboards for brainstorming.

3. SiYuan — A Block Editor Built by Chinese Developers

Website: https://b3log.org/siyuan/
GitHub: https://github.com/siyuan-note/siyuan
License: Core is open-source (AGPL-3.0), advanced features require a paid subscription

SiYuan (思源笔记) is a block-level editor developed by a Chinese team. Its design philosophy mirrors Notion’s, but it goes much further on data security and local-first capabilities.

Platforms: Windows / macOS / Linux / iOS / Android / Docker (self-hostable)

Core Features:

• Block-level editing (similar to Notion)
• Bi-directional linking + relationship graphs
• SQL-based database queries
• Custom themes and CSS
• End-to-end encrypted cloud sync (optional)
• S3/WebDAV backup support

Pros:

• Best Chinese language support out there; Chinese input method compatibility is excellent
• Block-level quoting and backlinking are powerful
• Docker self-hostable — full control over your sync setup
• Rich community themes and plugins
• Very reasonably priced (personal subscription at ¥168/year, and the free tier already covers most needs)

Cons:

• Some advanced features sit behind a paywall
• Database relies on SQL, which may intimidate non-technical users
• Smaller community compared to international projects

Best for: Chinese-speaking users who want a localized experience; knowledge management enthusiasts who love block editing + backlinks; tech-savvy users who want to self-host their sync.

4. Logseq — An Outliner for Building Your Personal Knowledge Base

Website: https://logseq.com
GitHub: https://github.com/logseq/logseq
License: AGPL-3.0

Logseq is built around outliner workflows. Instead of Notion’s page-based organization, it uses a “daily notes → auto-link → knowledge graph” approach. It’s a very different way of working, but honestly, it’s incredibly efficient for personal knowledge accumulation — 35,000+ stars and counting.

Platforms: Windows / macOS / Linux / iOS / Android

Core Features:

• Outliner editing (bullets + nested pages)
• Bi-directional linking + backlinks
• Full PDF annotation
• Built-in whiteboard (Miro-like)
• Local Markdown / Org-mode file storage
• Active plugin marketplace

Pros:

• Completely free and open-source
• Local-first, files are plain text — no lock-in
• Daily notes + auto-linking naturally grow into a knowledge network
• Active plugin ecosystem (community-contributed)
• Supports Org-mode (Emacs users will feel right at home)

Cons:

• Outliner style is a big departure from Notion’s free-form layout — takes getting used to
• No real-time collaboration
• Database and table features are weak

Best for: Self-learners who value connecting ideas; academic researchers and writers; Emacs/Org-mode veterans.

5. Obsidian — The Most Powerful Local Note Ecosystem

Website: https://obsidian.md
License: Free for personal use, commercial license requires payment

Obsidian isn’t technically open-source, but it’s completely free for personal use. It boasts the richest plugin ecosystem and the most active community theme scene of any note-taking app out there — and that’s not even close.

Platforms: Windows / macOS / Linux / iOS / Android

Core Features:

• Local Markdown file storage
• Bi-directional linking + Graph View
• 600+ community plugins (Kanban, calendars, databases, you name it)
• Canvas whiteboard feature
• Templater — a powerful advanced template engine
• Obsidian Publish (paid add-on)

Pros:

• Largest ecosystem by far — plugins cover pretty much every use case
• Excellent performance, handles tens of thousands of notes without breaking a sweat
• Standard Markdown files — you’re never locked in
• Massive community with tutorials and solutions for everything
• Free for personal use

Cons:

• Closed-source software
• Official sync service costs $4/month (but you can use iCloud, Syncthing, or Git for free instead)
• Initial setup takes time — you’ll need to find and install the right plugins

Best for: Heavy note-takers who accumulate tons of content; tinkerers who love configuring their environment; anyone who needs flexible Markdown export.

Comparison Table

Final Recommendations

• If you want the closest thing to Notion → Go with AppFlowy. The UI and workflow feel nearly identical, but your data stays in your own hands.
• If you need notes + whiteboard in one app → Try AFFiNE. Toggle between doc editing and canvas drawing — it’s a creative worker’s dream tool.
• If you’re a Chinese-speaking user → Give SiYuan a shot. It has the best Chinese language support, and the block editor + backlink combo is genuinely powerful.
• If your focus is knowledge accumulation and connecting ideas → Logseq is the winner. The outliner + daily notes workflow naturally builds up into a knowledge graph.
• If you want the biggest plugin ecosystem available → Obsidian has you covered. 600+ plugins cover virtually every workflow, and it’s free for personal use.

💡 My personal take: For most users migrating away from Notion, AppFlowy has the lowest friction — your muscle memory basically carries over. But if you care more about building a long-term personal knowledge base, Logseq or Obsidian are the better picks because of their bi-directional linking systems. Chinese-speaking users should definitely try SiYuan first — no other tool on this list handles Chinese input as well.

What note-taking app are you using right now? Have you tried migrating away from Notion? Drop your experience in the comments — I’d love to hear which alternative works best for you.