Liminary vs Stacks vs MindMarks vs Knowledge Plane
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Liminary
vs
Liminary
Competitor 1
Stacks
Stacks
Competitor 2
MindMarks
MindMarks
Competitor 3
Knowledge Plane
Knowledge PlaneCompare
4 tools · best value per row highlighted
Your tool
Liminary
Liminary
liminary.io
Ever open a browser tab to find something you saved three months ago, only to spend ten minutes hunting through bookmarks
Competitor
Stacks
Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Competitor
MindMarks
MindMarks
mindmarks.io
MindMarks helps users organize, search, and reuse ChatGPT, Claude, and Gemini
Competitor
Knowledge Plane
Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Traffic estimated monthly website traffic
Monthly visits
23.3Kvisits/mo
6.3Kvisits/mo
854visits/mo
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MoM change
▼ 18.4%
▼ 8.4%
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—
6-month growth
-10.4%
-50.8%
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Global rank web
#1,028,276
#3,182,249
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Avg. last 3 months
24.3K
6.1K
284
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Bounce rate lower is better
37%
41%
39%
0%
Pages / visit
2.0
1.7
1.1
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Visit duration
51s
6s
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Traffic sources
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LiminaryStacksMindMarksKnowledge Plane
Pricing
Model
Freemium
Paid
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Freemium
Starting price
$29per month · free tier available
$9per month
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$19per month · free tier available
Free tier
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Free trial
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API access
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Plans
Explorer FreePro $29/moTeam $50/mo
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
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Capabilities input → output
Input
DocumentsTextWeb pages
DocumentsTextWeb pages
Text
CodeDocumentsText
Output
Text
Text
Text
Text
Skill level
Intermediate
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Tasks what each tool can do · 2 shared · core partial
Tasks covered
6
6
7
12
Knowledge bases
Digital information management
Bookmarking
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Chrome extensions
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Note taking
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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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Developer tools
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Knowledge
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Knowledge maps
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Knowledge sourcing
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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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Knowledge exploration
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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
▲ 0
▲ 4
▲ 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.