NotionUsed by 10+ million registered users including major tech companies for documentation and knowledge organisation95.0NEWUSD 8.00 per user per month
ZendeskServes over 200,000 organisations and handles millions of customer interactions daily with native knowledge base features92.7NEW$55/agent/month
ConfluenceTrusted by over 90% of Fortune 500 companies for internal documentation and development collaboration90.3NEW$5.95/user/month
Document360Powers knowledge bases for over 3,000 companies including PayPal, Cisco, and Zendesk with minimal customisation88.0NEW$199/project/month
SliteBuilt by product teams for product teams; emphasises discoverability and reduces time spent searching for information85.7NEW$8/user/month
MediaWikiPowers Wikipedia and millions of wikis worldwide; battle-tested by two decades of collaborative documentation83.3NEWFree (open source; hosting varies)
FreshdeskServes over 450,000 support professionals; provides built-in knowledge base without requiring separate platform investment81.0NEWFree
GitBookUsed by thousands of developer teams to document APIs and SDKs; optimised for technical audiences and continuous updates78.7NEW$6.70/user/month
HelpJuiceServes thousands of small to mid-market companies; emphasises simplicity and speed over feature complexity76.3NEW$120 per year
NuclinoDesigned with a focus on minimalism and speed; used by design studios, agencies, and remote teams for distributed knowledge work74.0NEW$5/user/month
Notion is a highly flexible workspace combining document editing, relational databases, and rich formatting. It allows teams to build custom knowledge bases without coding, supporting blocks, templates, and integrations across use cases.
Zendesk provides an integrated suite combining ticketing, live chat, and a help centre module with AI-powered article recommendations and multi-language support for customer self-service.
Confluence is Atlassian's flagship documentation platform, deeply integrated with Jira and other developer tools. It supports team wikis, permission management, version control, and rich macros for embedding content.
Document360 is a purpose-built knowledge base software featuring AI-powered search, multi-language support, built-in analytics, and customer portal capabilities with a clean, modern UI.
Slite is a knowledge and team communication tool designed around fast search and discovery. It combines docs, wikis, and messaging with a focus on keeping knowledge searchable and accessible across teams.
MediaWiki is the open-source engine behind Wikipedia. Organisations can self-host or use managed services to run internal wikis with powerful markup, version history, access controls, and a large plugin ecosystem.
Freshdesk combines ticketing, help desk automation, and a built-in knowledge base with AI-powered article recommendations. It offers affordable support automation with self-service capabilities for small to mid-market teams.
GitBook is a documentation platform built for developer experience, combining git-based workflows with a modern interface. It supports API documentation, versioning, and integrations with GitHub for collaborative technical writing.
HelpJuice is a lightweight, easy-to-use knowledge base tool designed for small teams and businesses. It features drag-and-drop article editing, SEO optimisation, customer analytics, and a focus on speed and simplicity.
Nuclino is a minimalist wiki and knowledge workspace designed for team collaboration. It offers real-time editing, a clean interface, instant search, and a focus on simplicity over feature bloat.
A knowledge base is typically customer-facing documentation designed for self-service support, whilst a wiki is internal collaborative documentation. Many platforms (Notion, Confluence, MediaWiki) serve both purposes, though specialised tools like Document360 optimise for customer knowledge bases and others like Slite focus on internal team wikis. The distinction is increasingly blurred as platforms add features for both use cases.
Document360, Zendesk, and Freshdesk are purpose-built for customer-facing knowledge bases with strong SEO, analytics, and self-service search. Notion and Slite work well for internal teams. If you need ticketing integration, Zendesk and Freshdesk combine support and knowledge bases; for standalone customer documentation, Document360 is the most cost-effective dedicated solution.
Notion excels at flexibility and affordability for cross-functional teams needing databases and docs. Confluence is the enterprise standard for developer teams already using Jira. Document360 is ideal if you need a dedicated, quick-deploy customer knowledge base without internal wiki complexity. Consider team size, budget, existing tool stack, and whether you prioritise internal collaboration or external customer support.
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