Liminary vs Stacks vs GitBook vs Constella

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

Your tool
Liminary
vs
Competitor 1
Stacks
Competitor 2
GitBook
Competitor 3
Constella
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 Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Make main Remove
Competitor GitBook
gitbook.com
GitBook is a documentation and knowledge platform for publishing product docs that work for both people and AI.
Make main Remove
Competitor Constella
constella.app
Opening Constella drops you into a system that ditches the usual file cabinet metaphor entirely
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
23.3Kvisits/mo
6.3Kvisits/mo
—
7.4Kvisits/mo
MoM change
▼ 18.4%
▼ 8.4%
—
▼ 2.5%
6-month growth
-10.4%
-50.8%
—
+67.1%
Global rank web
#1,028,276
#3,182,249
—
#1,944,958
Avg. last 3 months
24.3K
6.1K
—
9.2K
Bounce rate lower is better
37%
41%
—
35%
Pages / visit
2.0
1.7
—
5.0
Visit duration
51s
6s
—
1m 48s
Traffic sources
—
—
—
—
LiminaryStacksGitBookConstella
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 · 6.3KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4K1K10K100KLiminary · 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 · 6.3KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Freemium
Freemium
Starting price
$29per month · free tier available
$9per month
$65per month · free tier available
$5.99per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
–
Plans
Explorer FreePro $29/moTeam $50/mo
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
Free FreeEssential $65/moUltimate $249/moEnterprise Custom
Free FreeConstella Beta $5.99/yr
Capabilities input → output
Input
DocumentsTextWeb pages
DocumentsTextWeb pages
CodeText
DocumentsTextWeb pages
Output
Text
Text
DocumentsText
Text
Skill level
Intermediate
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Education & LearningAI Knowledge Management
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
4
4
5
Knowledge bases
Digital information management
Note taking
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Knowledge exploration
–
–
Bookmarking
–
–
–
Knowledge
–
–
–
Research
–
–
–
Developer tools
–
–
–
Web search summaries
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 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.