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Knowledge Base Tools in 2026

Confluence (Support)

★★★★☆ 4.1 (15,000)
Customer Support Knowledge Base

Atlassian's team workspace for creating, sharing, and collaborating on documentation, used widely for internal and external knowledge bases.

Notion (Support)

★★★★★ 4.6 (20,000)
Customer Support Knowledge Base

A versatile workspace tool used as an internal knowledge base and documentation hub for support teams.

Stonly

★★★★★ 4.4 (500)
Customer Support Knowledge Base

An interactive knowledge base and self-service platform with step-by-step guides and decision trees for customer support.

Document360

★★★★★ 4.5 (2,000)
Customer Support Documentation

A knowledge base and documentation platform for creating self-service help centers, API docs, and internal wikis.

Slite

★★★★★ 4.4 (1,500)
Customer Support Documentation

A knowledge base tool for modern teams with AI-powered search, organized collections, and easy content creation.