Documize is a self-hosted-only documentation platform with a free tier for up to 5 users and annual paid plans ($900/year Essential for up to 100 users,…
Best for Documize: Organizations that specifically need approval-based content workflows (draft/review/approve/publish), granular space-level permissions, and enterprise authentication (LDAP/AD/Keycloak/CAS), and are willing to self-host and pay annually.
Best for Outline: Teams that want a fast, realtime collaborative wiki with AI question answering and ready-made integrations (Slack, 20+ others), available as either monthly-billed cloud SaaS or self-hosted open source.
At a Glance
Documize
Outline
Primary category
Knowledge Base
Knowledge Base
Rating
Not documented
Not documented
Pricing model
Freemium / Open Source
Freemium
Starting price
Free
Free (self-hosted, open source) or $10/month for the hosted Starter cloud plan
Free plan
Yes
Not documented
Free trial
Not documented
Yes
Platforms
Web, Mac, Windows
Web
Team collaboration
Not documented
Not documented
AI features
Not documented
Yes
Public API
Not documented
Yes
Key Differences
Hosting Model
Documize: Documize is documented as a self-hosted single binary, deployable on Windows, macOS, Linux, or FreeBSD.
Outline: Outline offers both a cloud-hosted SaaS and a self-hosted open-source option.
A cloud-hosted option removes infrastructure management, while self-hosted-only means the buyer owns hosting and maintenance.
Pricing Structure
Documize: Documize is billed annually: free for up to 5 users, $900/year Essential (up to 100 users), $1,800/year Enterprise (unlimited users).
Outline: Outline is billed monthly and tiered by member count: $10/month Starter (1-10 members), $79/month Team (11-100 members), $249/month Business (101-200 members).
Annual versus monthly billing and different tiering logic (per-user-count bands) affect cash flow and budgeting.
Content Workflow
Documize: Documize documents a defined content lifecycle: draft, review, approve, and publish through structured workflows.
Outline: Outline documents realtime multiplayer editing with comments and threaded conversations, but no formal approval-stage workflow.
Regulated or compliance-driven teams often need a documented approval trail before content is published.
AI Features
Documize: Documize has no AI features documented.
Outline: Outline documents AI question answering — searching across the workspace and asking questions about documents to get direct AI answers.
AI Q&A can speed up finding information across a growing knowledge base without manual search.
Authentication Options
Documize: Documize supports multiple enterprise auth methods: LDAP, Active Directory, Keycloak, and CAS.
Outline: Outline documents SSO authentication as part of its Team plan and above.
Organizations with specific identity infrastructure need compatible authentication methods.
Fast, keyboard-driven editor built specifically for engineering and product teams
Markdown compatibility makes content portable and developer-friendly
Bootstrapped, profitable company with a long track record of stability
Clean, focused feature set compared to broader all-in-one workspace tools
Cons
Fewer all-in-one features (databases, project management) than tools like Notion
Self-hosting requires technical setup and ongoing maintenance
Cloud pricing is per-plan-tier based on team size, which can jump significantly as headcount grows
Smaller integration ecosystem than larger enterprise wiki platforms
Advanced permission and audit features are reserved for higher-priced plans
Use Cases
Choose Documize: Organizations that specifically need approval-based content workflows (draft/review/approve/publish), granular space-level permissions, and enterprise authentication (LDAP/AD/Keycloak/CAS), and are willing to self-host and pay annually.
Choose Outline: Teams that want a fast, realtime collaborative wiki with AI question answering and ready-made integrations (Slack, 20+ others), available as either monthly-billed cloud SaaS or self-hosted open source.
Need both: There's little practical case for running both as a team's primary knowledge base at once since they solve the same core job of team documentation — a team would typically pick one based on whether formal approval workflows (Documize) or realtime AI-assisted collaboration (Outline) matters more to them.
Documize
Self-Hosted Company Wiki — Organizations replace or avoid Confluence by self-hosting Documize as their internal wiki and documentation hub, keeping content on their own infrastructure.
Approval-Based Documentation Publishing — Teams that need content reviewed before publication use Documize's approval workflows to control what gets published to the broader organization.
Cost-Predictable Knowledge Base at Scale — Growing organizations use Documize's flat annual pricing to scale up to 100 or more users without incremental per-seat cost increases.
Outline
Engineering documentation — Engineering teams maintain runbooks, architecture docs, and onboarding guides in searchable, version-controlled collections.
Company-wide internal wiki — Organizations centralize policies, meeting notes, and cross-team knowledge in a single searchable workspace.
Self-hosted knowledge base for data-sensitive teams — Teams with strict data residency or compliance requirements self-host Outline on their own infrastructure instead of using a third-party cloud service.
Frequently Asked Questions
Is Documize free?
Yes, for up to 5 users; paid Essential ($900/year, up to 100 users) and Enterprise ($1,800/year, unlimited users) plans are also available.
Is Outline free?
No perpetual free tier is documented — cloud plans start at $10/month, though a 30-day free trial is available and the software is open source for self-hosting.
Can Outline be self-hosted?
Yes, Outline is open source and can be self-hosted on your own infrastructure.
Does Documize have AI features?
Not documented — its focus is on structured content workflows, reusable templates, and granular permissions.
Does Outline offer a discount for education or nonprofits?
Yes, a 30% discount for non-profit and education organizations.
Which tool supports approval workflows for publishing content?
Documize, with its documented draft/review/approve/publish content lifecycle.