Best Free Knowledge Management Tools

AI tools for wikis, knowledge bases, documentation, and note-taking.

3 Free Tools
Verified Free

3 Free Knowledge Management Tools

Notion AI logo

Notion AI

AI writing and knowledge base in Notion.

Notion AI helps you write, summarise, translate, and organise knowledge inside Notion. Free Notion plan with AI add-on at $8/month per member.

noteswikiwriting
0
FreeFree Notion (AI $8/mo add-on)
Obsidian logo

Obsidian

AI-powered personal knowledge base.

Obsidian is a free local-first Markdown note-taking app with AI plugins (via community) for semantic search, summarisation, and graph-based knowledge linking.

notesmarkdowngraph
0
FreeFully free (personal)
Guru logo

Guru

AI company knowledge base.

Guru is an AI-powered knowledge management platform that surfaces the right answer at the right time inside Slack, email, or your helpdesk. Free for up to 3 users.

knowledge-baseslackteams
0
Free3 users free

About Free Knowledge Management Tools

Knowledge Management tools powered by artificial intelligence are transforming the way individuals and teams work. Our directory lists only tools that offer a genuine free tier, free trial, or open-source licence — so you can start immediately with no credit card.

Every tool in this list has been manually reviewed to confirm the free tier is real and accessible. We update this list monthly to reflect pricing changes, new launches, and tool shutdowns.

How We Rank Knowledge Management Tools

  • Generosity of free tier — unlimited usage scores higher than heavily limited trials
  • User ratings — community ratings from verified users
  • Popularity — click-through rate and user saves
  • Feature set — breadth of what you can do on the free plan