1
added 2026
Freemium
Paid from $6.99/yr
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11 Diagramming tools, ranked by readers
Every listed tool supports Diagramming. The order comes from 1 reader vote. 8 have a free way in.
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4 data-backed ways into the list.
Top 5, side by side
The 5 most-voted tools on the facts readers ask about.
| Fact | #1 Diagrimo | #2 Figma | #3 Flowith | #4 Miro | #5 Conceptboard |
|---|---|---|---|---|---|
| Reader votes | 1 | 0 | 0 | 0 | 0 |
| Rating | |||||
| Pricing model | Freemium | Paid | Freemium | Freemium | Freemium |
| Starts at | $6.99/yr | $16/mo | $214.92 per year | $8/mo | Not listed |
| Free way in | Yes | No | Yes | Yes | Yes |
| Saves | 1 | 1 | 2 | 2 | 1 |
| Added | 2026 | 2026 | 2026 | 2026 | 2026 |
What this costs
Here’s how all 11 tools break down by starting price.
Median entry price $9/moCheapest paid $2.8/moFree plan available 8 of 11
BoostedSponsored, does not affect rank
Your tool, in front of 11 competitors
Paid placements appear above the ranking, labelled honestly.
All 11 tools
Ranked by readers.
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ToolPricingVoteSave
Showing all 11 tools, ranked by 1 reader vote. Ties fall back to reviews and saves.
2
added 2026
Paid
From $16/mo
3
added 2026
Freemium
Paid from $214.92 per year
4
Miro
Verified
added 2026
Freemium
Paid from $8/mo
5
added 2026
Freemium
6
Lucidspark
Verified
added 2026
Freemium
Custom pricing
7
added 2026
Freemium
Paid from $12/mo
8
added 2026
Freemium
Custom pricing
9
gliffy
Cheapest
added 2026
Paid
From $2.80/mo
10
added 2025
Paid
From $9.99/mo
11
added 2026
Freemium
Paid from $8/mo
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5 questions
Common questions
Answers derived from the tools on this page.
How many Diagramming tools are there?
Siteefy's live index currently tracks 11 Diagramming tools, with 10 added in 2026. The count updates automatically as tools are published or retired.
What is the best Diagramming tool right now?
Diagrimo holds the top spot on this list. The ranking comes from reader votes, so the leader changes as votes come in.
Are there free Diagramming tools?
Yes. 8 offer a free plan alongside paid tiers. Diagrimo is the highest-ranked option with a free way in.
How much do Diagramming tools cost?
Paid plans start at $2.8/mo (gliffy). Each row in the list above shows the tool's pricing model and starting price.
How is this Diagramming list ranked?
By reader votes: every vote moves a tool up or down, star ratings come from community reviews, and anyone can vote, review a tool, or suggest one that is missing.