Note-Taking
Logseq
Joplin
AppFlowyLogseq vs Joplin vs AppFlowy: Which Open-Source PKM Tool Fits Your Brain? (2026)
Updated March 19, 2026
3 tools compared
Quick Verdict
Choose Logseq if...
The most intellectually powerful PKM tool of the three — choose Logseq if you're a researcher or knowledge worker who wants a tool that surfaces connections between ideas, not just stores them.
Choose Joplin if...
The most reliable and private option — choose Joplin if you need encrypted, cross-platform notes that sync flawlessly and you value proven stability over cutting-edge PKM features.
Choose AppFlowy if...
The only real team workspace of the three — choose AppFlowy if you need collaboration, databases, and project boards alongside notes, and you want an open-source Notion alternative at a fraction of the cost.
<p>Every note-taking tool makes the same promise: <strong>capture your thoughts, organize your knowledge, find anything instantly</strong>. But the way a tool structures your thinking — outlines vs. notebooks vs. databases — shapes what you actually do with that knowledge. Pick the wrong structure and you'll spend more time organizing than thinking.</p><p>Logseq, Joplin, and AppFlowy are three of the most popular open-source alternatives to proprietary tools like Notion, Evernote, and Roam Research. All three are free, privacy-respecting, and actively maintained. But they represent <strong>fundamentally different philosophies</strong> about how knowledge should be captured and connected:</p><ul><li><strong><a href="/tools/logseq">Logseq</a></strong> is an outliner — every thought is a block that connects to other blocks through bidirectional links and a knowledge graph. It's built for people who think in webs, not folders.</li><li><strong><a href="/tools/joplin">Joplin</a></strong> is a notebook — hierarchical folders, straightforward Markdown, end-to-end encryption. It's the digital equivalent of a well-organized filing cabinet with a lock on it.</li><li><strong><a href="/tools/appflowy">AppFlowy</a></strong> is a workspace — documents, databases, Kanban boards, and AI features in one platform. It's the open-source answer to Notion for people who want structure <em>and</em> flexibility.</li></ul><p>The right choice depends entirely on how your brain works. If you're a researcher who discovers insights by connecting disparate ideas across domains, Logseq's graph-based approach will feel like a superpower. If you're a developer or privacy-focused professional who needs reliable, searchable notes across every device, Joplin's simplicity is the point. And if you're a team lead or project manager who needs docs, tasks, and wikis in one place without paying per seat, AppFlowy fills a gap that neither of the other two even attempt to address.</p><p>We tested all three tools for daily use across research workflows, journaling, project documentation, and team collaboration. Below, we break down what each tool does best — and where each one falls short — so you can stop app-hopping and commit to the PKM system that actually fits. For a broader survey, see our <a href="/best/best-open-source-note-taking-apps-knowledge-management">best open-source note-taking apps</a> roundup, or browse all <a href="/categories/note-taking">note-taking tools</a> in our directory.</p>
Feature Comparison
| Feature | Logseq | Joplin | AppFlowy |
|---|---|---|---|
| Outliner-Based Editing | |||
| Bidirectional Linking | |||
| Knowledge Graph View | |||
| Daily Journals | |||
| PDF Annotation | |||
| Whiteboard Canvas | |||
| Flashcards & Spaced Repetition | |||
| Plugin Ecosystem | |||
| Local-First Storage | |||
| Advanced Queries | |||
| Markdown & Rich Text Editor | |||
| End-to-End Encryption | |||
| Cross-Platform Sync | |||
| Web Clipper | |||
| Offline Access | |||
| Multimedia Support | |||
| To-Do Management | |||
| Note Sharing & Collaboration | |||
| Math & Diagrams | |||
| AI Integration | |||
| Multiple Database Views | |||
| 100% Offline Mode | |||
| Local AI Execution | |||
| Customizable Workspace | |||
| Database Rollup & Aggregation | |||
| Real-time Collaboration | |||
| Self-Hosting Option |
Pricing Comparison
| Pricing | Logseq | Joplin | AppFlowy |
|---|---|---|---|
| Free Plan | |||
| Starting Price | $5/month | \u00240/month | $00/month |
| Total Plans | 3 | 4 | 4 |
LogseqFreeFree
$0
- All core features
- Unlimited local graphs
- Plugin support
- PDF annotation
- Whiteboard
- Flashcards
- Community support
Supporter
$5/month
- Everything in Free
- Logseq Sync (end-to-end encrypted)
- Cross-device synchronization
- Priority support
Sponsor
$15/month
- Everything in Supporter
- Early access to experimental features
- Insider builds
- Direct feedback channel
JoplinFree (Self-Hosted)Free
\u00240
- All core features
- Markdown & rich text editing
- End-to-end encryption
- Sync via Dropbox/OneDrive/WebDAV
- Plugin support
- Offline access
Basic
\u20ac2.99/month
- Joplin Cloud sync
- 2 GB storage
- 10 MB per note/attachment
- Publish notes to internet
- Multi-device sync
- Collaboration
Pro
\u20ac5.99/month
- Everything in Basic
- 10 GB storage
- Larger attachments
- Priority support
Teams
\u20ac7.99/user/month
- Everything in Pro
- 10 GB per user
- Team collaboration
- Shared notebooks
- Admin controls
AppFlowyFreeFree
$00
- 1 workspace (2 members)
- Unlimited pages
- 5 GB storage
- 10 AI responses
- Mobile app
- Real-time collaboration
Pro
$10/month
- Unlimited storage
- Up to 50 members
- 100 guest editors
- Unlimited AI responses
- 50 AI images/month
- Custom namespace
AI MAX Add-on
$8/month
- Advanced AI models (GPT-5, Gemini 2.5, Claude 3.7)
- Unlimited AI responses
- Unlimited file uploads
Vault Workspace
$6/month
- Private offline AI running locally
- Unlimited AI responses
- Unlimited file size for AI Chat
Detailed Review
<p><a href="/tools/logseq">Logseq</a> isn't just a note-taking app — it's an <strong>outliner-first thinking environment</strong> where every block of text is a node in a knowledge graph. This makes it fundamentally different from Joplin's notebook model or AppFlowy's workspace approach. In Logseq, you don't organize notes into folders; you write thoughts as blocks, link them with <code>[[page references]]</code>, and let the graph reveal connections organically. For researchers, students, and knowledge workers who need to synthesize ideas across domains, this paradigm shift is transformative.</p><p>The daily journal is Logseq's secret weapon for PKM. Every day starts with a blank journal page, and anything you capture — meeting notes, article highlights, random ideas — gets tagged and linked automatically. Over weeks and months, your knowledge graph becomes a <strong>living map of how your thinking evolves</strong>. The graph view isn't just eye candy; clicking through connected nodes surfaces relationships you'd never find in a folder hierarchy. Add PDF annotation (highlight a passage and it links back to your notes), flashcards with spaced repetition, and a whiteboard canvas for spatial thinking, and you have the most complete research toolkit of the three tools compared here.</p><p>The trade-off is accessibility. Logseq's <strong>Datalog query language is powerful but intimidating</strong> — filtering and aggregating information across your graph requires learning a syntax that looks nothing like SQL or natural language. The mobile app is functional but clunky compared to Joplin's cross-platform polish. And if you need collaboration, Logseq is a solo tool — there's no shared workspace or real-time co-editing. But for individual knowledge workers who want their PKM system to think <em>with</em> them rather than just store things, nothing in the open-source world matches Logseq's depth.</p>
Pros
- Bidirectional linking and knowledge graph create a thinking environment where connections surface organically — unmatched by folder or database paradigms
- Daily journals with automatic tagging build a timestamped knowledge base without conscious organization effort
- Built-in PDF annotation links highlights directly to your notes, making it the strongest academic research tool of the three
- Flashcards with spaced repetition turn your notes into a learning system — study directly from what you've written
- Plain-text Markdown files mean your data is truly portable, version-controllable with Git, and readable without Logseq
Cons
- Datalog query syntax has a steep learning curve that may frustrate users expecting simple search or SQL-like filtering
- No real-time collaboration — strictly a single-user tool, which rules it out for team knowledge bases
- Performance degrades noticeably with very large graphs (10,000+ blocks), requiring periodic optimization
<p><a href="/tools/joplin">Joplin</a> takes the opposite philosophy from Logseq: <strong>simplicity and reliability over novelty</strong>. Where Logseq reimagines how notes connect, Joplin perfects the traditional notebook model — hierarchical folders, clean Markdown editing, and rock-solid synchronization across every platform. It's the digital equivalent of a well-organized Moleskine that you can search instantly, encrypt completely, and access from any device. For users migrating from Evernote (Joplin includes a dedicated importer), this familiarity is the point.</p><p>Privacy is Joplin's standout differentiator in this comparison. It's the only tool of the three with <strong>built-in end-to-end encryption for all data</strong>, not just sync traffic. You choose your own sync provider — Dropbox, OneDrive, Nextcloud, WebDAV, or Joplin's own cloud — and your notes are encrypted before they leave your device. For journalists, lawyers, healthcare professionals, or anyone handling sensitive information, this isn't a nice-to-have; it's a requirement that Logseq and AppFlowy don't fully match. The official <strong>web clipper for Chrome and Firefox</strong> is another practical advantage: save entire web pages, simplified articles, or screenshots as notes with one click — a research workflow that neither Logseq nor AppFlowy offer natively.</p><p>Joplin's limitation is exactly what makes it reliable: it <strong>doesn't try to be a workspace or a knowledge graph</strong>. There are no database views, no Kanban boards, no bidirectional links (without plugins), and no AI features. If you need project management alongside your notes, you'll need a separate tool. If you want your notes to connect in a graph, Logseq is the better fit. But if you want a note-taking app that just works — fast search, clean Markdown, perfect sync, bulletproof encryption — Joplin has been doing exactly this since 2017, longer than either competitor, and it does it exceptionally well.</p>
Pros
- End-to-end encryption is built-in and works with any sync provider — the strongest privacy implementation of the three tools
- Official web clipper for Chrome and Firefox saves web pages, articles, and screenshots as searchable notes
- Most mature of the three (founded 2017) with 53,000+ GitHub stars and proven long-term reliability
- Flexible sync options: Dropbox, OneDrive, Nextcloud, WebDAV, or self-hosted Joplin Server — no vendor lock-in
- Best cross-platform mobile experience of the three, with consistent performance on Android and iOS
Cons
- No bidirectional linking or knowledge graph without plugins — you won't discover unexpected connections between notes
- No database views, Kanban boards, or project management features — strictly a notebook, not a workspace
- Interface feels utilitarian compared to AppFlowy's modern design and Logseq's graph visualization
AppFlowy
Privacy-first open-source workspace with local AI and complete data ownership
<p><a href="/tools/appflowy">AppFlowy</a> is the only tool in this comparison that's <strong>designed for teams, not just individuals</strong>. While Logseq is a solo thinking tool and Joplin is a personal notebook, AppFlowy is a full collaborative workspace with documents, databases (Kanban, Calendar, Gallery, and Chart views), and real-time co-editing for up to 50 members. If your PKM needs overlap with project management — tracking tasks alongside research notes, sharing wikis with teammates, organizing sprints in Kanban boards — AppFlowy is the only open-source option here that handles all of this in one place.</p><p>The AI integration sets AppFlowy apart in a different way. It's the only tool of the three with <strong>native AI features</strong>, supporting cloud models (GPT-5, Gemini 2.5, Claude 3.7) for summarization, writing assistance, and content generation. More uniquely, the Vault Workspace add-on ($6/month) lets you run AI models locally — Mistral 7B, Llama 3 — so you get AI assistance without sending any data to external servers. For privacy-conscious teams that still want AI productivity features, this local AI execution is something neither Logseq nor Joplin offer. The workspace model with Spaces, nested pages, and multiple database views will feel immediately familiar to anyone coming from Notion.</p><p>The honest caveat: AppFlowy is the <strong>youngest of the three</strong> (founded 2021 vs. Joplin's 2017 and Logseq's 2020), and it shows in places. The mobile app has sync reliability issues and occasional bugs that power users will notice. Data loss from copy-paste formatting edge cases has been reported. The integration ecosystem is still small compared to what Notion offers. And while the $10/month Pro plan is excellent value for teams (flat rate, not per-seat), individual users get more depth from Logseq's graph or Joplin's encryption at $0. AppFlowy is a compelling team workspace that's rapidly improving — just go in with eyes open about its maturity level.</p>
Pros
- Only tool of the three with real-time team collaboration — up to 50 members on the Pro plan at a flat $10/month (not per-seat)
- Native AI with local execution option: run Mistral 7B or Llama 3 on-device for AI features without cloud data exposure
- Multiple database views (Kanban, Calendar, Gallery, Chart) make it a genuine project management tool alongside PKM
- Most Notion-like experience: familiar slash commands, drag-and-drop, nested pages, and workspace organization
- Flat-rate pricing means cost doesn't scale with team size — dramatically cheaper than Notion for teams over 5 people
Cons
- Youngest of the three tools — mobile app has sync bugs, and copy-paste data loss has been reported by users
- No bidirectional linking or knowledge graph — you won't get the networked thinking that makes Logseq powerful for research
- No end-to-end encryption yet, and no web clipper — behind Joplin on privacy features and web research workflows
Our Conclusion
<h3>Feature Comparison</h3><table><thead><tr><th>Feature</th><th>Logseq</th><th>Joplin</th><th>AppFlowy</th></tr></thead><tbody><tr><td>Core paradigm</td><td>Outliner + graph</td><td>Notebook + folders</td><td>Workspace + databases</td></tr><tr><td>Bidirectional links</td><td>Native, first-class</td><td>Via plugin only</td><td>Basic page links</td></tr><tr><td>Knowledge graph</td><td>Built-in, interactive</td><td>Not available</td><td>Not available</td></tr><tr><td>Database views</td><td>Queries (advanced)</td><td>Not available</td><td>Kanban, Calendar, Gallery, Chart</td></tr><tr><td>End-to-end encryption</td><td>Sync only</td><td>Built-in (all data)</td><td>Not yet</td></tr><tr><td>AI features</td><td>Via plugins</td><td>Not built-in</td><td>Native (cloud + local models)</td></tr><tr><td>Real-time collaboration</td><td>Not available</td><td>Via Joplin Cloud</td><td>Built-in (up to 50 members)</td></tr><tr><td>Mobile app quality</td><td>Functional but limited</td><td>Good across platforms</td><td>Early stage, some bugs</td></tr><tr><td>Web clipper</td><td>Community plugin</td><td>Official Chrome/Firefox</td><td>Not available</td></tr><tr><td>Self-hosting</td><td>N/A (local files)</td><td>Joplin Server</td><td>Full self-hosting</td></tr><tr><td>File format</td><td>Markdown / Org-mode</td><td>Markdown (SQLite DB)</td><td>Proprietary (export to MD)</td></tr><tr><td>Offline support</td><td>Full (local-first)</td><td>Full (local + sync)</td><td>Full (offline-first)</td></tr></tbody></table><h3>Pricing Comparison</h3><table><thead><tr><th>Plan</th><th>Logseq</th><th>Joplin</th><th>AppFlowy</th></tr></thead><tbody><tr><td>Free tier</td><td>All features, unlimited</td><td>All features + self-hosted sync</td><td>Unlimited pages, 5 GB, 2 members</td></tr><tr><td>Entry paid</td><td>$5/mo (Sync only)</td><td>€2.99/mo (Cloud sync, 2 GB)</td><td>$10/mo (50 members, unlimited storage)</td></tr><tr><td>Pro/Team</td><td>$15/mo (early access)</td><td>€7.99/user/mo (10 GB/user)</td><td>$10/mo flat (not per-seat)</td></tr><tr><td>What you pay for</td><td>Cross-device sync</td><td>Cloud sync + storage</td><td>Team size + AI + storage</td></tr></tbody></table><h3>Quick Decision Guide</h3><ul><li><strong>Choose <a href="/tools/logseq">Logseq</a> if</strong> you're a researcher, student, or knowledge worker who thinks in connections. You want bidirectional links, a knowledge graph, and spaced repetition flashcards — and you don't need real-time collaboration. You prefer your data as plain-text files you can version-control with Git.</li><li><strong>Choose <a href="/tools/joplin">Joplin</a> if</strong> you need a reliable, encrypted notebook that works identically across desktop, mobile, and tablet. You value simplicity over graph features, you want a proven web clipper for research, and you want to choose your own sync provider (Dropbox, OneDrive, Nextcloud, or self-hosted).</li><li><strong>Choose <a href="/tools/appflowy">AppFlowy</a> if</strong> you need a team workspace with documents, databases, and project boards — but refuse to pay Notion's per-seat pricing. You want AI assistance (including local AI for privacy), Kanban views, and a collaborative environment that works offline.</li></ul><h3>Our Verdict</h3><p><strong>For solo knowledge workers and researchers, Logseq is the most powerful of the three.</strong> Its outliner paradigm with bidirectional linking creates a thinking environment that notebooks and workspaces simply can't replicate. The learning curve is real — Datalog queries aren't for everyone — but the payoff is a knowledge base that surfaces connections you didn't know existed.</p><p><strong>For teams that need collaboration, AppFlowy wins by default</strong> — it's the only one of the three built for multi-user workflows. At $10/month flat (not per-seat), it's dramatically cheaper than Notion for growing teams. Just be aware that it's the youngest of the three and still maturing.</p><p><strong>For reliability purists who just want notes that work everywhere, Joplin is the safest bet.</strong> It's been around since 2017 (longer than either competitor), has 53,000+ GitHub stars, end-to-end encryption out of the box, and a web clipper that actually works. It won't dazzle you with AI or graph views, but it won't lose your notes either.</p><p>All three tools are free to start. Download each one, use it for a week with your real workflow, and let your own thinking style be the tiebreaker. For more open-source productivity options, explore our <a href="/categories/note-taking">note-taking tools</a> directory or our guide to <a href="/best/best-open-source-note-taking-apps-knowledge-management">open-source note-taking apps for knowledge management</a>.</p>
Frequently Asked Questions
Can I migrate my notes between Logseq, Joplin, and AppFlowy?
Partially. Logseq and Joplin both use Markdown files, so moving notes between them is relatively straightforward — copy the .md files and restructure folders. However, Logseq's outliner block structure and bidirectional links won't transfer cleanly to Joplin's flat notebook format. AppFlowy uses its own internal format but supports Markdown export, so you can move content out — but importing into AppFlowy from the other two requires manual reorganization. None of the three offer direct import from each other. If portability is a top concern, Logseq's plain-text Markdown files stored in a regular folder give you the most flexibility.
Which tool is best for academic research and PDF annotation?
Logseq is the clear winner for academic workflows. It has built-in PDF annotation that lets you highlight passages and link annotations directly to your notes via bidirectional references. Combined with Zotero integration (via community plugin), you can build a connected research graph where paper highlights, reading notes, and your own analysis are all linked. Joplin supports PDF attachments but has no annotation features and no OCR for scanned documents. AppFlowy can embed files but lacks dedicated research tools. For serious academic PKM, Logseq is purpose-built for this use case.
Do any of these tools support real-time team collaboration?
Only AppFlowy offers real-time collaboration as a core feature, supporting up to 50 team members and 100 guest editors on its Pro plan ($10/month). Joplin has basic sharing and collaboration through Joplin Cloud (from €2.99/month), but it's closer to shared access than true real-time co-editing. Logseq has no built-in collaboration — it's fundamentally a single-user tool. If team collaboration is a requirement, AppFlowy is the only viable choice among the three.
How do these tools handle offline access and data privacy?
All three work offline, but with different approaches. Logseq is local-first by design — your data lives as plain-text files on your device and never touches a server unless you opt into Logseq Sync ($5/month, end-to-end encrypted). Joplin stores notes locally in a SQLite database and offers end-to-end encryption for sync to any cloud provider, including self-hosted servers. AppFlowy is offline-first with optional cloud sync, and uniquely supports running AI models locally (via the Vault Workspace add-on at $6/month) so even AI features work without sending data to external servers. For maximum privacy, Logseq's plain-text files give you the most transparent data ownership.
Is AppFlowy mature enough to replace Notion in 2026?
For 85% of core use cases — documents, databases, Kanban boards, and basic project management — yes. AppFlowy has matured significantly since its 2021 launch, with 68,000+ GitHub stars and active development. However, it still lags behind Notion in mobile app quality (occasional bugs and sync issues), third-party integrations (Notion has 100+ native integrations vs. AppFlowy's smaller ecosystem), and advanced features like Notion AI's document Q&A. If your workflow is primarily desktop-based and you value data ownership over integration breadth, AppFlowy is a genuine Notion replacement. If you rely heavily on mobile access or Slack/Google Drive integrations, Notion still has the edge.