We Compared 25 Mind Map Tools in 2026 — The Honest Free-Tier Breakdown
We put 25 mind map tools side by side and ignored the marketing. The surprising result isn't about price — the "cheapest" tools are often the most limited. It's about what you actually get for free. Of all 25, exactly one offers free generation from your documents, free real-time collaboration, and on-device processing at the same time. Here's the full table, and an honest account of where each tool wins.
What we compared (and what we ignored)
Star ratings and feature checklists are easy to game. So we compared every tool on the four things that actually decide which one fits your workflow:
- Free-tier limit — what you can really do without paying (most "free" tiers are trials).
- Generate from documents — whether it builds a map from a PDF, URL, or video, or makes you draw every node by hand.
- Free real-time collaboration — whether two people can edit together without paying per seat.
- On-device processing — whether your content stays on your machine or gets uploaded to a vendor's cloud.
Limits and prices are current as of June 2026. No affiliate links — and we built one of these tools, so the next note states that bias plainly before you read the table.
Full disclosure up front: I'm the founder of SpawnGraph, one of the 25 tools below. So treat its row with the skepticism you'd treat any vendor's. What I can promise is that I've tried to be honest about where the others genuinely beat us — Coggle's free collaborator count, Obsidian and Excalidraw's true local-first model, XMind's desktop polish, NotebookLM's Q&A. If a number here is wrong, tell me and I'll fix it; a comparison is worthless the moment it stops being accurate.
The full comparison — 25 mind map tools
✓ yes · ~ partial / gated · ✗ no. Scroll the table sideways on mobile.
| Tool | Free tier | Map from docs | Free collab | On-device | Paid from |
|---|---|---|---|---|---|
| SpawnGraph | 2 saved boards · unlimited generation | ✓ Yes — free | ✓ Yes — 5 editors | ✓ Yes — in browser | $5/mo |
| XMind | Unlimited maps (desktop), watermarked export | ~ Premium only | ✗ Paid | ~ Desktop only | ~$60/yr |
| MindMeister | 3 maps | ✗ No | ✗ Paid | ✗ Cloud | $3/user/mo |
| Miro | 3 editable boards | ✗ No | ✗ Paid (per seat) | ✗ Cloud | $8/user/mo |
| Coggle | 3 private + unlimited public | ✗ No | ✓ Yes — 100+ | ✗ Cloud | $5/mo |
| GitMind | 10 files (hard cap) | ~ Paid (Copilot) | ✓ Yes — 5 editors | ✗ Cloud | $4.08/mo |
| Mapify | 10 credits total | ~ Tiny free quota | ✗ Single-user | ✗ Cloud (upload) | $9.99/mo |
| NotebookLM | Free (~50 queries/day) | ~ View-only map | ✗ Read-only share | ✗ Google cloud | Free (capped) |
| Notion | Unlimited blocks (solo) | ✗ No native map | ✓ Yes | ~ Offline cache | $10/user/mo |
| Obsidian | Free | ✗ Graph ≠ map | ✗ Paid (Sync) | ✓ Yes — local | Sync paid |
| Lucidchart | 3 docs / 60 shapes | ✗ No | ✓ Yes | ✗ Cloud | $9/mo |
| Whimsical | 3–4 boards | ~ AI actions (not docs) | ✓ Yes | ✗ Cloud | $10/user/mo |
| Milanote | 100 notes total | ✗ No | ✗ Paid | ✗ Cloud | $12.50/mo |
| MindManager | 30-day trial only | ✗ Limited | ✗ Paid | ~ Cloud-synced | ~$349/yr |
| Mindomo | 3 maps | ✗ No | ✗ Paid | ✗ Cloud | $5.50/seat/mo |
| MindMup | Free (Google save) | ✗ No | ✗ Gold only | ✗ Cloud | $4.99/mo |
| MindMaster (EdrawMind) | Limited, watermarked | ~ AI outline | ✗ Paid | ✗ Cloud-bound | $59–118/user/yr |
| MindMapper | Trial only | ✗ No | ✗ Paid (Arena) | ✗ Desktop license | $39–249 |
| MindOnMap | 3 files / 50 nodes / 3-day expiry | ~ Free AI credits | ✗ Paid | ✗ Cloud | $6/mo |
| Mermaid | Open source | ✗ Code syntax | ✗ No | ✓ Local | Free |
| Heptabase | No free tier (trial) | ✗ Manual | ✗ Paid | ~ Cloud-synced | ~$9/mo |
| Excalidraw | Free, no limit | ✗ No | ✗ Paid | ✓ Yes — local | Plus paid |
| FreeMind | Free (needs Java) | ✗ No | ✗ No | ✓ Fully offline | Free |
| Freeplane | Free (desktop) | ✗ No | ✗ No | ✓ Fully offline | Free |
| Canva | Limited exports | ✗ No | ✗ Paid | ✗ Cloud | Paid plans |
The one finding that actually matters
Read down the three middle columns and a pattern appears. Plenty of tools do one of the three well. GitMind has free collaboration but gates AI behind a paywall and runs in the cloud. Coggle has wonderfully generous free collaboration but no document-to-map generation. Obsidian, Excalidraw, and Mermaid keep everything local but won't generate a map for you. Mapify generates from documents but uploads them and meters you after a tiny free quota.
Across all 25 tools, the intersection of free document-to-map generation, free real-time collaboration, and on-device processing has exactly one tool in it. That's the gap SpawnGraph was built to fill — and it's the honest, checkable reason it's on this list, not a star rating.
Where the other tools genuinely win
A comparison that says one tool wins everything is a sales page, not a comparison. Here's where each category leader is the right pick:
- Coggle — the most generous free collaboration in the category (100+ free collaborators) if you build maps by hand.
- Obsidian / Excalidraw — the real local-first choices: plain files, fully yours, no account required. Best for long-term personal knowledge.
- XMind — the most polished offline desktop app, with the widest export and layout options for power users.
- NotebookLM — unbeatable for asking questions across a pile of sources, with citations and the audio-overview feature. It's a Q&A tool, not a mind map editor.
- Miro — the right tool for a facilitated 10-person workshop where mind mapping is one activity among many.
- Mermaid — diagrams-as-code for developers who want maps in version control.
So which should you use?
Have a document and want a map of it, free, right now? Use SpawnGraph. See the deeper picks by job in Best Mind Map App in 2026, for students, and for research.
Want a fully free, local option you build by hand? Obsidian, Excalidraw, or the open-source desktop tools (FreeMind, Freeplane).
Need AI Q&A across many sources more than a visual map? NotebookLM — and see our NotebookLM alternative if you want an editable map of those same sources.