Compare Outline and Logseq on pricing, features, platforms, and ratings — both Knowledge Base tools, Freemium vs Free / Open Source pricing to decide which…
At a Glance
Outline
Logseq
Primary category
Knowledge Base
Knowledge Base
Rating
Not documented
Not documented
Pricing model
Freemium
Free / Open Source
Starting price
Free (self-hosted, open source) or $10/month for the hosted Starter cloud plan
Free
Free plan
Not documented
Not documented
Free trial
Yes
Not documented
Platforms
Web
Web, iOS, Android, Mac, Windows
Team collaboration
Not documented
Not documented
AI features
Yes
Not documented
Public API
Yes
Not documented
Pricing Compared
Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.
Outline
Self-hosted (open source) — Free N/A
Starter — $10/month Monthly
Team — $79/month Monthly
Business — $249/month Monthly
Enterprise — Custom (contact sales) Custom
Logseq
Free (Local) — Free N/A
Sync — Paid add-on (contact/see app for current rate) Subscription
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
Logseq
Pros
Fully free and open source with no feature paywall
Local-first storage gives users complete data ownership and portability
Strong community plugin and theme ecosystem
Combines outlining, journaling, whiteboards, and spaced repetition in one app
Backed by notable investors, suggesting continued development funding
Cons
Steeper learning curve than mainstream note apps for users unfamiliar with outliners or Markdown
Multi-device sync requires the paid Sync add-on or manual setup via Git or cloud folders
Mobile apps have historically lagged behind desktop in polish and feature parity
Smaller company and team size than well-funded competitors like Notion
Plugin quality and maintenance vary since they are community-built
Use Cases
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.
Logseq
Personal knowledge management — Individuals build an interconnected graph of notes, journal entries, and references over time, linking related ideas as they capture them.
Developer documentation and second brain — Software engineers use Logseq's plain-text, Git-friendly storage to maintain technical notes, TILs, and project documentation alongside their code.
Study and spaced repetition — Students tag key facts as flashcards within their notes and use Logseq's built-in spaced-repetition review to retain material long term.