BookStackSimple & Free Wiki Software
vs
OutlineTeam knowledge base & wiki
Comparison · Knowledge Management · weekly run Nov 3
BookStack vs Outline
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
BookStack is the stronger AI pick in Knowledge Management: it has a visibility score of 3.6 versus 1.9 for Outline.
Choose BookStack if…
- You want the brand AI engines rank higher (3.6 vs 1.9)
- AI answers describe it more positively (40% vs 0% positive)
- Book-like content organization
- Free and open-source with unlimited users
Choose Outline if…
- You need a self-hosted or on-premises option
AI visibility side by side
Latest weekly run · Nov 3
| Metric | BookStack | Outline |
|---|---|---|
| Visibility score | 3.6% | 1.9% |
| Change vs last week | New | New |
| Rank in Knowledge Management | #22 | #34 |
| Share of voice | 1% | 0.4% |
| Mentions this run | 5 | 2 |
| Positive in AI answers | 40% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
BookStack 0pp · Outline 0pp over 0 weekly runs.
Engine by engine
BookStack leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
BookStackOutline
Head to head in AI answers
0 engine answers name both brands
0BookStack ranked higher
0Outline ranked higher
Features, pricing & fit
| Dimension | BookStack | Outline |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Free; paid from $4 / mo |
| Free plan | — | Yes |
| Deployment | Self-hosted | Cloud hosted or self-hosted on your own server |
| Integrations | — | 20+ |
| Support | Documentation, Support plans, Community discussions | Email support, Enterprise support contract |
| Founded | 2015 | 2020 |
| Headquarters | — | San Francisco, California, US |
| Employees | — | 11–50 |
| Funding | — | Series A |
| Best for | Teams that want simple, self-hosted wiki software | Teams that want a fast, collaborative knowledge base in the cloud or on their own server |
Plans side by side
BookStack
Pricing not available.
Outline
Cloud: 1-10 team members$10month
Cloud: 11-100 team members$79month
Cloud: 101-200 team members$249month
On-Premises Community Edition$0
On-Premises Business$4user/month billed annually, 10 user minimum
On-Premises Enterprise$5user/month billed annually, 100 user minimum
Pros and cons
Themes from the AI answers that mention each brand
BookStack
- Book-like content organization
- Free and open-source with unlimited users
- Must be self-hosted and maintained by the user
Outline
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “BookStack vs Outline”, https://slateindex.ai/compare/bookstack-vs-outline, data of Nov 3, 2026. Licence: CC BY 4.0.