Best Knowledge Management Software in 2026
Updated
In short: ProProfs Knowledge Base is ranked #1 of 37 as of 4 October 2026, ahead of Confluence and Nuclino. The best-ranked option with a free plan is Confluence. The lowest first paid tier on this page is Slite at $0.83/mo.
Shared knowledge is useful only when people can keep it current and retrieve it easily. Knowledge management software gives teams a way to organize documents and guidance; compare supported content types and version history to see how each tool handles information and revisions. AI search, granular permissions and single sign-on help you assess discovery and access controls, while mobile apps, free plans and paid starting prices add practical considerations. ProProfs Knowledge Base, Confluence and Nuclino are among the options shown. Consider what your team needs to document, who should be able to see or edit it, and how people will find answers.
37 knowledge management software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 ProProfs Knowledge Base Top pick · 8.0 Free plan · $0.99/mo
#2 Confluence Runner-up · 7.9 Free plan · $5.42/mo
#3 Nuclino Also great · 7.9 Free plan · Free
- Free planFree trial AndroidapiextensioniOSWebWindows
- Free plan
- Yes
- Paid from
- 0.99 /user/mo
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$0.99/mofirst paid tier About ProProfs Knowledge BaseVisit site - Free planFree trial AndroidiOSself-hostedWeb
- Free plan
- Yes
- Paid from
- 5.42 /user/mo
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$5.42/mofirst paid tier About ConfluenceVisit site - Free planFree trial AndroidapiiOSLinuxmacOSWebWindows
- Free plan
- Yes
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free planFree trial apiWeb
- Free plan
- Yes
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$65/mofirst paid tier About GitBookVisit site - Free planFree trial AndroidiOSWeb
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan AndroidapiiOSLinuxmacOSWebWindows
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan apiextensionmacOSWebWindows
- Free plan
- Yes
- Paid from
- 13 /user/mo
- AI search
- Yes
- Single sign-on
- Yes
- Granular permissions
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$1,713/mofirst paid tier About ScribeVisit site - Free plan apiLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan apiLinuxself-hostedWeb
- Free plan
- Yes
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms£37.50/mofirst paid tier About BookStackVisit site - Free plan WebWindowsmacOS
- Free plan
- Yes
- Paid from
- 6.67 /user/mo
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$6.67/mofirst paid tier About SlabVisit site - Free trial AndroidapiextensioniOSmacOSWebWindows
- Free plan
- No
- Paid from
- 10 /user/mo
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$0.83/mofirst paid tier About SliteVisit site - Free plan apiLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free trial apiLinuxself-hostedWebWindows
- Free plan
- No
- Single sign-on
- Yes
- Granular permissions
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$25/mofirst paid tier About PHPKBVisit site - Free plan Web
- Free plan
- Yes
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$250/mofirst paid tier About ReadMeVisit site - Free trial apiself-hostedWebWindows
- Granular permissions
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free trial extensionWeb
- Free plan
- No
- Paid from
- 6.3 /user/mo
- AI search
- Yes
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$6.30/mofirst paid tier About KipwiseVisit site - WebWindowsmacOSiOSAndroidLinux
- Free plan
- No
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$10/mofirst paid tier About OutlineVisit site - WebWindowsmacOSLinux
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - WebWindowsmacOSLinux
- Free plan
- No
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$80/mofirst paid tier About ArchbeeVisit site - WebWindowsmacOSLinuxiOSAndroid
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - WebiOSAndroid
- Free plan
- Yes
- AI search
- No
- Single sign-on
- Yes
- Granular permissions
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Free plan
- No
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms$100/mofirst paid tier About KnowledgeOwlVisit site - Web
- Free plan
- Yes
- Single sign-on
- Yes
- Granular permissions
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Single sign-on
- Yes
- Version history
- Yes
RecognisedDocumentedFree planFree trialPlatforms
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which knowledge management software is ranked first on The Geeks Club?
ProProfs Knowledge Base is ranked #1 of 37 with a score of 8.0. Confluence is second and Nuclino third.
How many of these have a free plan?
12 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Slite has the lowest first paid tier we found: $0.83/mo.
How is this list ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.