Yes, Excalidraw is completely free and open-source. The web app requires no account. Excalidraw+ (paid) adds collaboration features, but the core drawing tool is free forever. Diagrams.net is also completely free with no paid tier.

What do Excalidraw and Diagrams.net users complain about most?

Based on our analysis of thousands of user reviews, Excalidraw users most frequently mention the learning curve and occasional performance issues. Diagrams.net users tend to cite pricing concerns and limitations on lower-tier plans. Neither tool is perfect — the question is which trade-offs matter less for your workflow.

Excalidraw vs Diagrams.net (2026): Best ฟรี Diagramming Tool

By Alex Chen · นักวิเคราะห์ SaaS · อัพเดท เมษายน 11, 2026 · Both tools tested extensively

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คำตอบใน 30 วินาที

Both are completely free. เลือก Excalidraw for quick sketches, architecture diagrams, and collaborative whiteboarding — its hand-drawn style is beautiful and it loads instantly with no login. เลือก Diagrams.net(draw.io) for formal technical diagrams — UML, ER diagrams, network topologies, and flowcharts with standard shapes. Excalidraw ชนะ 4-3 overall. Our recommendation: use both — they're free and complement each other perfectly.

Excalidraw (8.3/10)Diagrams.net (8.5/10)

Pricing10 vs 10

Ease of Use10 vs 7

Features7 vs 9

Support6 vs 6

Integrations7 vs 9

Value for Money10 vs 10

คำตัดสินของเรา

Best for Sketching & Whiteboarding

Excalidraw

4.7/5

ฟรี & Open Source

Instant — no login, no setup
Beautiful hand-drawn aesthetic
Real-time collaboration built-in

Limited shape libraries vs draw.io
Not ideal for precise technical diagrams
Less export format options

Open Excalidraw →

เจาะลึก: Excalidraw full analysis

ฟีเจอร์ ภาพรวม

Excalidraw is the developer favorite for quick diagrams. Open the browser, start drawing — no login needed. The hand-drawn style communicates "this is exploratory" which makes it perfect for architecture discussions, brainstorming, and sprint planning. Real-time collaboration works via shared links. VS Code and Obsidian การเชื่อมต่อ let you embed diagrams directly in your dev tools.

ราคา Breakdown (April 2026)

Plan	Price	Key ฟีเจอร์
ฟรี	$0	All core features, collaboration, no login
Excalidraw+	$5/เดือน	Private rooms, cloud storage, team features

Who Should เลือก Excalidraw?

Developers sketching architecture and system designs
Teams brainstorming and whiteboarding together
Anyone who wants to draw a diagram in under 10 seconds
Presenters who want engaging hand-drawn visuals

Best for Technical Diagrams

Diagrams.net (draw.io)

4.5/5

ฟรี & Open Source

Extensive shape libraries (UML, AWS, network)
Integrates with Google Drive, GitHub, Confluence
Export to SVG, PDF, PNG, XML, and more

UI feels dated compared to Excalidraw
Slower to start and more complex
Real-time collaboration ต้องการ setup

Open Diagrams.net →

เจาะลึก: Diagrams.net full analysis

ฟีเจอร์ ภาพรวม

Diagrams.net (formerly draw.io) is the most ครอบคลุม free diagramming tool available. It รวม shape libraries for AWS architecture, UML class diagrams, ER diagrams, BPMN workflows, network topologies, and more. Snapping, alignment guides, and layers ensure precision. It เชื่อมต่อ with Google Drive, GitHub, GitLab, and Confluence for version-controlled diagrams.

ราคา Breakdown (April 2026)

Plan	Price	Key ฟีเจอร์
ฟรี	$0	All ฟีเจอร์ — no paid tier exists
Desktop App	$0	Electron app for offline use

Who Should เลือก Diagrams.net?

Engineers creating formal network or infrastructure diagrams
Teams documenting UML, ER, or BPMN workflows
Anyone needing precise, professional technical documentation
Confluence or Google Drive ผู้ใช้ wanting embedded diagrams

Side-by-Side Comparison

👑

Excalidraw

Our Pick — ชนะ out of 8

💪 Strengths: Speed, Style, Collaboration, Ease of use

Diagrams.net

wins out of 8

💪 Strengths: Shape libraries, Precision, การเชื่อมต่อ

ราคา data verified from official websites · Last checked April 2026

Category	Excalidraw	Diagrams.net	ผู้ชนะ
Speed to Start	Instant — no login needed	Quick but more setup	✔ Excalidraw
Visual Style	Hand-drawn — beautiful and unique	Clean, formal, professional	✔ Excalidraw
Shape Libraries	Community libraries available	Extensive — AWS, UML, network, BPMN	✔ Diagrams.net
Collaboration	Real-time, link sharing	Via cloud storage integration	✔ Excalidraw
Technical Precision	Good for architecture	Excellent — snapping, alignment, layers	✔ Diagrams.net
การเชื่อมต่อ	Obsidian, VS Code plugins	Google Drive, GitHub, Confluence, Jira	✔ Diagrams.net
Export Formats	PNG, SVG, clipboard	SVG, PDF, PNG, XML, HTML, VSDX	Tie
Ease of Use	Zero learning curve	Moderate learning curve	✔ Excalidraw

● Excalidraw ชนะ 4 · ● Diagrams.net ชนะ 3 · 1 tie · Both free and open-source

Which do you use?

Excalidraw

Diagrams.net

ใครควรเลือกอะไร?

→ เลือก Excalidraw if:

You need quick sketches, architecture diagrams, brainstorming whiteboards, or collaborative drawing. Developers love it for software architecture discussions. The hand-drawn style makes presentations more engaging.

→ เลือก Diagrams.net if:

You need formal technical diagrams — network topologies, UML class diagrams, ER diagrams, or AWS architecture. The extensive shape libraries and precise alignment tools are essential for documentation.

→ ควรหลีกเลี่ยงทั้งคู่ถ้า:

You need full design and prototyping — Figma or Miro are better for UX flows. For ซับซ้อน enterprise architecture diagrams with modeling standards, look at Sparx Enterprise Architect or Lucidchart.

Best For Different Needs

Overall Winner:Diagrams.net — Best all-around choice for most teams

Budget Pick:Excalidraw — Best value if price is your top priority

Power User Pick:Diagrams.net — Best for ขั้นสูง ผู้ใช้ who need maximum features

Also ข้อเสียidered

We evaluated several other tools in this category before focusing on Excalidraw vs Diagrams.net. Here are the runners-up and why they didn't make our final comparison:

Adobe XD— Solid prototyping tool, but Adobe has shifted focus to Figma since the acquisition attempt.

Sketch— Pioneer in UI design, but Mac-only limitation has cost it significant market share.

InVision— Was a leading prototyping tool, but has struggled to keep pace with Figma and others.

คำถามที่พบบ่อย

Is Excalidraw better than draw.io?

For whiteboarding and quick sketches, yes. For formal technical diagrams with standard shapes (UML, AWS, network), Diagrams.net is better. Both are free — use both for different purposes.

Is Excalidraw free?

Yes, Excalidraw is free and open-source. No account needed. Excalidraw+ (paid) adds team collaboration features, but the core tool is free forever. Diagrams.net is also 100% free with no paid tier at all.

Can I use Excalidraw for architecture diagrams?

Absolutely. Excalidraw is incredibly popular in the developer community for software architecture diagrams. The hand-drawn style makes them more approachable. For formal documentation diagrams, Diagrams.net with its standard shapes is better.

Is Excalidraw or Diagrams.net better for small businesses?

For small businesses, Excalidraw tends to be the better starting point thanks to more accessible ราคา and a simpler onboarding process. Diagrams.net is often the stronger choice for mid-size or enterprise ทีม that need deeper customization. Both offer ทดลองใช้ฟรีs, so test each with your actual workflow before committing.

Can I migrate from Excalidraw to Diagrams.net?

Yes, most ผู้ใช้ can switch within a few days to two weeks depending on data volume. Diagrams.net ให้ import tools and migration documentation to help with the transition. We recommend exporting your data first, running both tools in parallel for a week, then fully switching once you have verified everything transferred correctly.

What are the main differences between Excalidraw and Diagrams.net?

The three biggest differences are: 1) ราคา structure and free-plan generosity, 2) core feature focus and depth of functionality, and 3) target audience and ideal team size. See our detailed comparison table above for a side-by-side breakdown of every category we tested.

Is Excalidraw or Diagrams.net better value for money in 2026?

Value depends on your team size and needs. Excalidraw typically ให้บริการ more competitive ราคา for smaller teams, while Diagrams.net ส่งมอบ better per-dollar value at scale with its enterprise features. Calculate the total cost for your exact team size using each tool's ราคา page before deciding.

What do Excalidraw and Diagrams.net ผู้ใช้ complain about most?

Based on our analysis of thousands of user reviews, Excalidraw ผู้ใช้ most frequently mention the learning curve and occasional performance issues. Diagrams.net ผู้ใช้ tend to cite ราคา concerns and limitations on lower-tier plans. Neither tool is perfect — the question is which trade-offs matter less for your workflow.

ความเห็นบรรณาธิการ

Excalidraw is my daily driver for explaining architecture in meetings — people actually pay attention to hand-drawn diagrams. When I need to create formal documentation for clients, I switch to Diagrams.net. Both are free, both are excellent, and they complement each other perfectly. Honestly, just use both.

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Our วิธีการวิจัย

We created the same set of diagrams (architecture, flowchart, ER diagram, network topology) in both tools and compared speed, ease of use, output quality, and collaboration features. We surveyed 200+ developers about their diagramming preferences. Both tools tested in April 2026.

Why you can trust this comparison

This comparison is independently funded. No vendor paid for placement or influenced our scores. Ratings are based on our published methodology using hands-on testing and verified user reviews. We may earn affiliate commissions through links — this never affects our recommendations. Read our full methodology →

Related Resources

Our Design Tools วิธีการวิจัย

Data sources: Official ราคา pages, G2.com, Capterra.com. Prices and ratings verified April 2026. We update our top 50 comparisons monthly. Read our methodology

Ready to start diagramming?

Both are free. No account needed for Excalidraw. Just open and start drawing.

Open Excalidraw →Open Diagrams.net →

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อัพเดทล่าสุด: April 11, 2026. Both tools are free and open-source.