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Knowledge base software · 12 alternatives

Confluence alternatives: 12 compared

Sebastiaan Smits Editor Sebastiaan Smits · Published October 27, 2026 · Updated October 27, 2026

Teams look past Confluence when the per-user bill grows with every reader, when Atlassian's move away from Data Center forces a decision on hosting, or when they want a lighter wiki outside the Jira ecosystem. Most go to Notion, Slab or Nuclino, and self-hosting buyers to BookStack, Outline or XWiki.

Short answer: The closest replacements for Confluence in our knowledge base software ranking are Nuclino, Slab and Outline. Choose Nuclino if you want a quick wiki for a small team and do not use Jira macros. All 12 alternatives below are ranked products from Best Knowledge Base Software in 2026, and each says where it differs from Confluence and when Confluence is still the better choice.

Visibility in our rankings can be paid for. Payment moves a vendor's position within the shortlist; it never adds a vendor, and it never changes a word of the review or of this page. The first three alternatives go to challengers, vendors outside the best-known brands in a category, wherever the category has them; the established names follow in their ranked order. How it works: placement disclosure · editorial process.

Confluence at a glance

  • Headquarters: United States
  • Pricing model: Per user / month
  • Pricing: Free for up to ten users, then per-user Standard, Premium and Enterprise tiers; Rovo AI and admin controls grow with the tier.
  • Free option: Free plan
  • Built for: Companies already running Jira
  • Wrong for: A support team building a public help center, or a small company outside the Atlassian ecosystem. Helpjuice or Nuclino fit those cases better.
  • Place in our ranking: #4 of 15
  • Website: atlassian.com

Facts from our knowledge base software ranking, last checked October 27, 2026.

Why buyers look past Confluence

  1. Every reader is a paid seat

    Confluence Standard is listed at $5.78 and Premium at $11.16 per user per month on Atlassian's pricing page. The Free plan stops at 10 users and 2 GB of file storage. A company that wants everyone to read the wiki pays for everyone, which is what sends teams to flat or free-reader tools.

  2. Data Center is being wound down

    Atlassian stopped selling new Data Center subscriptions on 30 March 2026. Existing customers can still expand until 30 March 2028, and Data Center products become read-only when subscriptions expire on 28 March 2029. Teams that kept Confluence on their own servers now have a dated choice: Atlassian Cloud or another wiki.

  3. It is built around the Atlassian stack

    Confluence earns its place next to Jira, and its pages, spaces and macros reflect that. Outside Atlassian, teams often want a plainer editor, a faster search, or a wiki that does not need Jira to make sense. That is the usual reason small and mid-sized companies compare it with lighter tools.

12 alternatives at a glance

Closest replacement first. The last column is our place in the full 15-product ranking.

#AlternativeHeadquartersPricingKey differenceSwitch ifOur rank
1NuclinoGermanyPer user / month; free planLightweight, fast team wiki with graph viewyou want a quick wiki for a small team and do not use Jira macros#11
2SlabUnited StatesPer user / month; free planClean internal wiki with unified searchyou want review cycles and verified pages instead of free-form spaces#7
3OutlineUnited StatesFlat price per team-size band (cloud); per user (on-premises); free trialTeam knowledge base and wiki, cloud or self-hostedyou want a flat price per team band, with the option to host it yourself#12
4BookStackInternational (open-source project)Free software, self-hosted; open sourceFree self-hosted wiki organised as books, chapters and pagesyou want free, self-hosted software with a simple book structure and your own admin#15
5XWikiFranceSupport subscription by tier and user count; open sourceOpen-source structured wiki, cloud or on premisesyou want an open-source wiki with a vendor-run Confluence migration and on-premises option#14
6SliteUnited StatesPer member / month; free trialAI-assisted knowledge base for remote teamsyou want AI search and verification at a flat per-user price#8
7NotionUnited StatesPer member / month; free planWorkspace used as a flexible company wikiyou want one tool for docs and light project data, not a dedicated wiki#5
8GitBookNot stated on legal pagesPer site plus per user; free planDocumentation platform for publishing docs, with Git syncyour Confluence is mostly product documentation that you publish outside the company#13
9Document360United KingdomQuote only; free trialKnowledge base platform for public and internal documentationyou want review workflows and a public knowledge base more than team spaces#2
10HelpjuiceUnited StatesFlat monthly by user band; free trialCustomizable help center software with search analyticsyou want flat monthly pricing and a polished help center rather than a wiki#1
11GuruUnited StatesQuote only; noneVerified internal knowledge delivered where staff workyour problem is finding trusted answers across tools, not writing pages#3
12Stack InternalUnited StatesQuote only; free planPrivate Q&A knowledge base for engineering teamsyour engineers answer repeated questions and you want answers kept, not long documents#10

What each alternative does differently

1. Nuclino

Lightweight, fast team wiki with graph view · Germany

A deliberately small wiki with real-time editing, board, table and graph views. The Free plan caps at 50 items and 2 GB, paid plans lift that, and SAML single sign-on, the audit log and Sidekick AI need Business. It has a Confluence import, but no Jira link and no marketplace.

Switch from Confluence if you want a quick wiki for a small team and do not use Jira macros.

Pricing: Free plan capped at 50 items, then low per-user Starter and Business tiers; Sidekick AI, SAML SSO and the audit log sit on Business. (free plan)

Full review: #11 of 15 in our ranking · Visit Nuclino →

2. Slab

Clean internal wiki with unified search · United States

A knowledge base built around verification and search. Free covers up to 10 users, Startup is $6.67 per user a month billed annually, Business $12.50. SAML SSO, SCIM and the AI Ask feature start on Business. Guests are capped per user, and it does not offer Confluence-style databases or whiteboards.

Switch from Confluence if you want review cycles and verified pages instead of free-form spaces.

Pricing: Free for up to ten users, then per-user Startup and Business tiers and a quoted Enterprise plan; SAML SSO, SCIM and AI Ask start on Business. (free plan)

Full review: #7 of 15 in our ranking · Visit Slab →

3. Outline

Team knowledge base and wiki, cloud or self-hosted · United States

A wiki with a self-hosted edition and a hosted one. Cloud tiers are $10, $79 and $249 a month for fixed team-size bands, so readers are not billed individually. The code is under the Business Source License, and the Confluence importer sits on the paid on-premises plans.

Switch from Confluence if you want a flat price per team band, with the option to host it yourself.

Pricing: Cloud: $10 a month (1-10 members), $79 (11-100), $249 (101-200), 30-day trial. On-premises: Community Edition $0 with limited features, Business $4 per user per month billed annually (10 minimum), Enterprise $5 (100 minimum). (free trial)

Full review: #12 of 15 in our ranking · Visit Outline →

4. BookStack

Free self-hosted wiki organised as books, chapters and pages · International (open-source project)

Free MIT-licensed software you install yourself on PHP and MySQL, organised as books, chapters and pages. Roles, MFA, OIDC, SAML2 and LDAP are included, with no per-user fee. There is no hosted edition from the project, and no whiteboards, databases or Jira link.

Switch from Confluence if you want free, self-hosted software with a simple book structure and your own admin.

Pricing: MIT licensed with no cost to download and install; paid support plans exist on the project site, prices not checked. (open source)

Full review: #15 of 15 in our ranking · Visit BookStack →

5. XWiki

Open-source structured wiki, cloud or on premises · France

An LGPL wiki platform sold with support tiers, available as XWiki Cloud or on your own servers. The vendor lists a Confluence migration toolkit covering pages, users, permissions and history, and it positions itself as a European alternative. Plan prices are not shown in the page source.

Switch from Confluence if you want an open-source wiki with a vendor-run Confluence migration and on-premises option.

Pricing: Software is LGPL 2.1 and free as Community; Starter, Basic, Business and Enterprise support tiers have prices rendered client-side, so pricing is on request. Trial up to 30 days. (open source)

Full review: #14 of 15 in our ranking · Visit XWiki →

6. Slite

AI-assisted knowledge base for remote teams · United States

A team knowledge base with doc verification and an AI search layer. Basic is $10 and Pro $20 per user a month billed yearly, with Enterprise quoted. SSO via OpenID starts on Pro, SCIM and audit logs on Enterprise. It imports from Confluence, but does not match Confluence's page tree depth.

Switch from Confluence if you want AI search and verification at a flat per-user price.

Pricing: Per-member tiers with a free trial; AI answers and verification tools are included in the paid plans. (free trial)

Full review: #8 of 15 in our ranking · Visit Slite →

7. Notion

Workspace used as a flexible company wiki · United States

A workspace that mixes wiki pages, databases, forms and sites. Plus and Business are priced per member, SAML SSO and page verification are on Business, and a Free plan exists. It imports from Confluence. Space-level permissions are less rigid than in Confluence.

Switch from Confluence if you want one tool for docs and light project data, not a dedicated wiki.

Pricing: Free plan, then per-member Plus, Business and Enterprise tiers; verified pages and the full Notion AI sit on Business and above. (free plan)

Full review: #5 of 15 in our ranking · Visit Notion →

8. GitBook

Documentation platform for publishing docs, with Git sync · Not stated on legal pages

Documentation publishing first. Pricing is per published site ($65 Essential, $249 Ultimate, billed annually) plus $12 per user, with a Free plan for one user. It imports Confluence and Notion content and syncs with Git. It suits public docs more than an internal wiki.

Switch from Confluence if your Confluence is mostly product documentation that you publish outside the company.

Pricing: Free plan with 1 user; Essential $65 and Ultimate $249 per site per month billed annually plus $12 per user; 14-day trial; Enterprise custom. (free plan)

Full review: #13 of 15 in our ranking · Visit GitBook →

9. Document360

Knowledge base platform for public and internal documentation · United Kingdom

Documentation software aimed at product and customer-facing knowledge bases, with an approval and publishing workflow. No price list is shown, plans are quoted after a 14-day trial, and the page lists Confluence among the import sources. Internal wiki use is possible, but it is not the design centre.

Switch from Confluence if you want review workflows and a public knowledge base more than team spaces.

Pricing: No public price list; every plan is quoted around team accounts, workspaces, languages, privacy model and AI usage, after a 14-day free trial. (free trial)

Full review: #2 of 15 in our ranking · Visit Document360 →

10. Helpjuice

Customizable help center software with search analytics · United States

A hosted knowledge base priced by user band, not per seat: $249 a month for 30 users, $449 with the AI-powered tier, $799 for unlimited users. It is built for customer help centers and internal portals, with a 14-day trial. Spaces, page trees and Jira links are not part of it.

Switch from Confluence if you want flat monthly pricing and a polished help center rather than a wiki.

Pricing: Flat monthly tiers from $249 for 30 users to $799 for unlimited users, with unlimited articles; the AI suite starts on the $449 tier and a 14-day free trial is offered. (free trial)

Full review: #1 of 15 in our ranking · Visit Helpjuice →

11. Guru

Verified internal knowledge delivered where staff work · United States

Quote-only knowledge platform that delivers verified answers inside Slack, Teams and the browser, and connects to Confluence as a source instead of replacing its writing space. It is sold as a package with expertise, with no public price list and a reduced rate for nonprofits.

Switch from Confluence if your problem is finding trusted answers across tools, not writing pages.

Pricing: Quoted packages only, bundling the platform with solution engineers for setup; no public price list or self-serve trial, and a reduced rate for nonprofits. (none)

Full review: #3 of 15 in our ranking · Visit Guru →

12. Stack Internal

Private Q&A knowledge base for engineering teams · United States

Formerly Stack Overflow for Teams, now framed as a verified knowledge store for people and AI agents. The Starter plan is free for up to three collaborators with 1,000 credits a month, and the Organization plan is quoted. It is question-and-answer style, not a page tree.

Switch from Confluence if your engineers answer repeated questions and you want answers kept, not long documents.

Pricing: Free Starter plan for up to three collaborators, then an Organization plan quoted by monthly Flow Credits spent on searches, answers and updates. (free plan)

Full review: #10 of 15 in our ranking · Visit Stack Internal →

When Confluence is still the right choice

Stay on Confluence if Jira is central to how you work, because issue macros and linked spaces are what the other tools lack. It also fits large organizations that need granular permissions, a marketplace of apps and Atlassian's admin tools, and teams already on Standard or Premium for whom the per-user price is small next to the rest of the Atlassian bill.

What to expect when you switch from Confluence

  1. Export what you can, then test the import

    Confluence exports spaces to PDF, CSV, HTML or XML, and site admins can export everything. HTML exports omit blog posts, and comments are not included in HTML export. Run a pilot on one space in the target tool first, since Notion, Nuclino, Slite, GitBook and Outline list Confluence importers.

  2. Macros, Jira links and permissions do not travel

    Jira issue macros, page properties and space permissions are Atlassian features. Expect to rebuild them or drop them. Check how the new tool handles page hierarchy, attachments and user mapping before you move a whole company, and keep the old site read-only until the new one is trusted.

Questions and answers

Can I export everything from Confluence Cloud?

Yes, mostly. A space admin can export a space as PDF, CSV, HTML or XML, and site admins can export all content in CSV or XML. The HTML export leaves out blog posts and page comments, so check those before you cancel.

Which Confluence alternatives import from Confluence directly?

Notion, Nuclino, Slite and GitBook each document a Confluence import, Outline lists a Confluence importer on its on-premises Business and Enterprise plans, and XWiki and Document360 list Confluence migration or import. Slab, BookStack and Helpjuice were not confirmed here.

Is there a free alternative to Confluence?

Yes. BookStack is MIT licensed and free to host yourself, Outline's on-premises Community Edition is $0 with limited features, and Slab, Nuclino and Stack Internal have free plans with limits. Confluence itself is free for up to 10 users.

What happens to Confluence Data Center?

Data Center products become read-only when subscriptions expire on 28 March 2029. New Data Center subscriptions have not been sold since 30 March 2026, and existing customers can expand until 30 March 2028.

Does a cheaper Confluence plan exist?

Confluence Standard is listed at $5.78 per user a month and the Free plan covers 10 users. Slab Startup is $6.67 billed annually, and Outline cloud bands start at $10 a month for up to 10 members.

Can I keep my data in the EU?

Some alternatives are open source and can run on your own servers, namely BookStack, Outline and XWiki. For hosted tools, ask each vendor for data residency terms in writing, because this page did not verify them.

Sources

Prices, plan limits and product facts about Confluence on this page were checked against the vendors' own pages on October 27, 2026. Vendors change both without notice, so treat the figures as of that date.

Who wrote this

Sebastiaan Smits Sebastiaan Smits, Founder, wrote, edited and fact-checked this page. Founder of The Interregnum and of 2 Steps Ahead, an AI search visibility agency. Editorially responsible for every page here; research and drafting are AI-assisted. Last reviewed October 27, 2026. How we review.