Best Internal Knowledge Base Software 2026

Slite may suit teams that need to maintain and verify shared documentation across connected tools.

It suits teams organizing internal wikis, SOPs, runbooks, handbooks, engineering documentation, product specs, or client documentation.

BlueSpice suits companies that need shared documentation with permissions, workflows, and version history.

XWiki suits organizations building structured knowledge bases, internal collaboration spaces, or data-driven wiki pages.

Elium targets global operations, customer service, IT support, AI and data, and strategy and research teams.

Stack Internal may suit enterprises seeking to organize knowledge for employees and AI agents, with permissions and source signals.

Waybook suits growing teams that want to organize onboarding, procedures, training and company knowledge in one place.

Outline suits teams that publish for internal and external audiences and need features such as single sign-on, version history, and content analytics.

Slab suits teams publishing shared knowledge across web and desktop computers.

Red Arch suits organizations building knowledge bases, CRM, support, HR, training, AI-agent, or custom organization applications.

Bloomfire suits organizations that need shared knowledge and search across teams or departments, or customer and partner self-service.

Guru suits organizations that need to make internal knowledge searchable across workplace tools and available to teams and compatible AI assistants.

Trainual is aimed at growing teams, including business owners, operations leaders, and team managers.