Slab

Slab is a focused internal wiki and knowledge base with the lowest published per-user price in the category at $6.67/user/month (annual). Designed with a clean, distraction-free editor and universal search that indexes content from connected Slack, Google Drive, GitHub, Jira, Notion, and Asana workspaces without copying data. AI features are available on paid plans. No complex nested structures — all content is organized by Topics. Best for teams of 10–200 that want a simple, clean wiki with good integrations and minimal overhead.