Liminary vs Knowledge Plane vs Stacks vs MindMarks

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

Your tool
Liminary
vs
Competitor 1
Knowledge Plane
Competitor 2
Stacks
Competitor 3
MindMarks
Compare
4 tools · best value per row highlighted
Your tool Liminary
liminary.io
Ever open a browser tab to find something you saved three months ago, only to spend ten minutes hunting through bookmarks
Remove
Competitor Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Make main Remove
Competitor MindMarks
mindmarks.io
MindMarks helps users organize, search, and reuse ChatGPT, Claude, and Gemini
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
23.3Kvisits/mo
—
6.3Kvisits/mo
854visits/mo
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
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#3,182,249
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Avg. last 3 months
24.3K
—
6.1K
284
Bounce rate lower is better
37%
0%
41%
39%
Pages / visit
2.0
—
1.7
1.1
Visit duration
51s
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6s
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Traffic sources
—
—
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LiminaryKnowledge PlaneStacksMindMarks
09.3K18.6K27.9K37.2KLiminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KMindMarks · 8541001K10K100KLiminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KMindMarks · 854Dec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
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Starting price
$29per month · free tier available
$19per month · free tier available
$9per month
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Free tier
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Free trial
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API access
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–
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Plans
Explorer FreePro $29/moTeam $50/mo
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Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
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Capabilities input → output
Input
DocumentsTextWeb pages
CodeDocumentsText
DocumentsTextWeb pages
Text
Output
Text
Text
Text
Text
Skill level
Intermediate
Intermediate
Beginner-friendly
Beginner-friendly
Categories
Education & LearningAI Knowledge Management
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Education & LearningAI Knowledge Management
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
12
6
7
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
▲ 0
▲ 4
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.