Constella vs MindMarks vs Liminary vs Knowledge Plane

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Constella
vs
Competitor 1
MindMarks
Competitor 2
Liminary
Competitor 3
Knowledge Plane
Compare
4 tools · best value per row highlighted
Your tool Constella
constella.app
Opening Constella drops you into a system that ditches the usual file cabinet metaphor entirely
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Competitor MindMarks
mindmarks.io
MindMarks helps users organize, search, and reuse ChatGPT, Claude, and Gemini
Make main Remove
Competitor Liminary
liminary.io
Ever open a browser tab to find something you saved three months ago, only to spend ten minutes hunting through bookmarks
Make main Remove
Competitor Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
7.4Kvisits/mo
854visits/mo
23.3Kvisits/mo
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MoM change
▼ 2.5%
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▼ 18.4%
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6-month growth
+67.1%
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-10.4%
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Global rank web
#1,944,958
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#1,028,276
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Avg. last 3 months
9.2K
284
24.3K
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Bounce rate lower is better
35%
39%
37%
0%
Pages / visit
5.0
1.1
2.0
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Visit duration
1m 48s
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51s
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Traffic sources
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ConstellaMindMarksLiminaryKnowledge Plane
09.3K18.6K27.9K37.2KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4KMindMarks · 854Liminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3K1001K10K100KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4KMindMarks · 854Liminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
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Freemium
Freemium
Starting price
$5.99per month · free tier available
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$29per month · free tier available
$19per month · free tier available
Free tier
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Free trial
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API access
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Plans
Free FreeConstella Beta $5.99/yr
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Explorer FreePro $29/moTeam $50/mo
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Capabilities input → output
Input
DocumentsTextWeb pages
Text
DocumentsTextWeb pages
CodeDocumentsText
Output
Text
Text
Text
Text
Skill level
Intermediate
Beginner-friendly
Intermediate
Intermediate
Categories
Education & LearningAI Knowledge Management
Education & LearningAI Knowledge Management
Education & LearningAI Knowledge Management
Education & LearningAI Knowledge Management
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
7
6
12
Knowledge bases
Digital information management
Note taking
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Bookmarking
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Conversation archiving
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Knowledge graphs
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Prompt management
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Agent memory
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Chrome extensions
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Developer tools
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Knowledge
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Knowledge exploration
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Knowledge maps
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Knowledge sourcing
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Research
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ChatGPT
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Code documentation
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Codebase q a
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Conversation summaries
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Knowledge exchange
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Prompts
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Slack
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Web search summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 4
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.