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Best Free Wireframe Tools 2026: 7 Options Compared
Best free Wireframe Tools compared: Figma, Penpot, Lunacy, Whimsical and 3 more, with free-plan limits, platforms and prices from official pages checked October 23, 2026.
•4 min read•Graphic Design & Diagramming
Quick comparison
| Tool | Price | Platforms | Best for | Tested |
|---|---|---|---|---|
| Figma | Free (Starter at $0: limited access to Figma products, unlimited drafts, 150 AI credits a day (500 a month)); paid from $16 per per full seat/month (Professional); annual rate not shown in the extracted text | Web, macOS, Windows | Wireframes that become the final design | Docs only |
| Penpot | Free (Professional plan at $0: up to 8 team members plus unlimited viewers, 10GB storage, 7 days of version history); paid from $7 per per editor/month (Unlimited), capped at $175/month; 14-day free trial | Web | Open-source teams moving from wireframe to design | Docs only |
| Lunacy | Free (Free for personal and commercial use per Icons8 docs; built-in Icons8 assets need a link back or a paid subscription; cloud documents need a subscription) | Windows, macOS, Linux | Offline wireframing on a laptop | Docs only |
| Whimsical | Free (Free plan: up to 50 board objects per month, 5MB per file, 1GB total storage); paid from $10 per editor/month (the page defaults to annual billing, which it says saves 17%) | Web, macOS, Windows | Quick low-fidelity flows | Docs only |
| draw.io (diagrams.net) | Free (Free with no sign-up; open files from local storage or your own cloud account) | Web, Windows, macOS, Linux | Static wireframes stored as files | Docs only |
| Pencil Project | Free (Free, open-source desktop prototyping tool; no price listed) | Windows, macOS, Linux | Offline wireframing without an account | Docs only |
| Excalidraw | Free (Free web app with real-time collaboration and end-to-end encryption); paid from $6 per user/month, Excalidraw+ | Web | Rough sketches that invite structural feedback | Docs only |
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See the tools in action
Explore the interface and watch a workflow before choosing.
Good fit if
- You want wireframes that turn into final designs (Figma is the pick)
- You prefer open source and own hosting (Penpot is the pick)
- You need quick flows on a shared screen (Whimsical is the pick)
- You work offline (Pencil Project is the pick)
Not ideal if
- You need paid-tier features, uptime guarantees or support that these free plans leave out
A wireframe only has to show structure, so the best free tool is the one you can learn in an hour and share with a client without a licence conversation. Figma and Penpot are the heavy options: both give you real components, frames and prototyping on a free plan, and both are overkill if you only need boxes and labels. Whimsical and Draw.io are faster for low-fidelity work, because dragging a ready-made form or navigation block takes seconds. Pencil Project is a desktop stencil tool that works offline, and Excalidraw gives you a deliberately rough look that tells reviewers the design is not final, which is useful when you want feedback on layout rather than colour. Lunacy is a free desktop editor if you prefer a Sketch-like workflow. To choose, decide how the wireframe will be reviewed. If reviewers will click through screens, pick Figma or Penpot. If it is a flow on a shared screen, Whimsical or Draw.io is quicker. The main trade-off is fidelity against effort: a polished Figma wireframe invites visual opinions, while a sketchy Excalidraw board keeps the conversation on structure. Check each free limit below, particularly Whimsical's monthly object cap, before you start a project with many screens.
Figma
Starter plan at $0 with unlimited drafts and prototyping. Heavier than a wireframe usually needs, and full seats start at $16 a month if you outgrow the free tier.
Price: Free (Starter at $0: limited access to Figma products, unlimited drafts, 150 AI credits a day (500 a month)); paid from $16 per per full seat/month (Professional); annual rate not shown in the extracted text (Figma pricing, checked 2026-10-23).
Platforms and license: Web, macOS, Windows. Proprietary.
Best for: Wireframes that become the final design.
Compare: Figma alternatives
Penpot
Open-source (MPL-2.0) with a free plan for up to 8 team members and unlimited viewers, 10GB storage. Needs a stable browser connection but no installation.
Price: Free (Professional plan at $0: up to 8 team members plus unlimited viewers, 10GB storage, 7 days of version history); paid from $7 per per editor/month (Unlimited), capped at $175/month; 14-day free trial (Penpot pricing, checked 2026-10-23).
Platforms and license: Web. MPL-2.0 (open source).
Project activity: 61.8k GitHub stars · latest release 2.18.5 (Oct 26, 2026) · last commit Oct 27, 2026
Best for: Open-source teams moving from wireframe to design.
Lunacy
Free desktop editor for Windows, macOS and Linux with no account needed for local files. Built-in Icons8 assets need attribution or a subscription.
Price: Free (Free for personal and commercial use per Icons8 docs; built-in Icons8 assets need a link back or a paid subscription; cloud documents need a subscription) (Lunacy pricing, checked 2026-10-23).
Platforms and license: Windows, macOS, Linux. Proprietary.
Best for: Offline wireframing on a laptop.
Whimsical
Free plan allows up to 50 board objects a month and 1GB storage. Fast wireframe components, but a large multi-screen project hits the cap quickly.
Price: Free (Free plan: up to 50 board objects per month, 5MB per file, 1GB total storage); paid from $10 per editor/month (the page defaults to annual billing, which it says saves 17%) (Whimsical pricing, checked 2026-10-23).
Platforms and license: Web, macOS, Windows. Proprietary.
Best for: Quick low-fidelity flows.
Compare: Whimsical alternatives
draw.io (diagrams.net)
Free, Apache-2.0, no sign-up, with files saved locally or to your own cloud. Includes mockup shape libraries but little interactivity.
Price: Free (Free with no sign-up; open files from local storage or your own cloud account) (draw.io (diagrams.net) pricing, checked 2026-10-22).
Platforms and license: Web, Windows, macOS, Linux. Apache-2.0 (open source).
Project activity: 9k GitHub stars · latest release v32.6.1 (Oct 23, 2026) · last commit Oct 23, 2026
Best for: Static wireframes stored as files.
Compare: draw.io (diagrams.net) alternatives
Pencil Project
GPL-2.0 desktop wireframer for Windows, macOS and Linux with stencil sets. No component library or live collaboration, but it works fully offline.
Price: Free (Free, open-source desktop prototyping tool; no price listed) (Pencil Project pricing, checked 2026-10-23).
Platforms and license: Windows, macOS, Linux. GPL-2.0 (open source).
Project activity: 9.9k GitHub stars · latest release v4.0.0 (Oct 24, 2026) · last commit Oct 27, 2026
Best for: Offline wireframing without an account.
Worth knowing: README shows ongoing development with v4.0 adding MCP support.
Excalidraw
MIT web whiteboard with a hand-drawn look and free real-time collaboration. No component system, so it suits rough layouts only.
Price: Free (Free web app with real-time collaboration and end-to-end encryption); paid from $6 per user/month, Excalidraw+ (Excalidraw pricing, checked 2026-10-22).
Platforms and license: Web. MIT (open source).
Project activity: 134.7k GitHub stars · latest release v0.18.1 (Apr 21, 2026) · last commit Oct 27, 2026
Best for: Rough sketches that invite structural feedback.
Worth knowing: Excalidraw+ has a 14-day trial; annual billing saves 14%. Hand-drawn look, not a formal-shape library.
Which one to pick
- You want wireframes that turn into final designs: Figma
- You prefer open source and own hosting: Penpot
- You need quick flows on a shared screen: Whimsical
- You work offline: Pencil Project
Limits of this review
Docs-only for Figma, Penpot, Lunacy, Whimsical, draw.io (diagrams.net), Pencil Project, Excalidraw: we did not install or run them, so feature claims come from vendor pages. Vendor prices and free limits change; confirm on the linked pricing page before you commit.
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Kevin Fan
Kevin Fan is a SaaS founder. He runs Free Instead Of, which tracks free and open-source alternatives to paid software and checks each price and free-plan limit against the vendor's own pages.
Methodology
Based on official pricing, license and product pages checked between 2026-10-22 and 2026-10-23: Figma, Penpot, Lunacy, Whimsical, draw.io (diagrams.net), Pencil Project, Excalidraw. Prices, free limits and licenses are the figures shown on those pages on those dates. No tool on this page was installed or run. No accounts were created.