Best Glean Alternatives in 2026

12 top Knowledge Base tools you can use instead of Glean, with pricing and key features.

Glean

Glean – Enterprise AI that Works

Knowledge BaseFrom $29 / monthlyAI

Cross-tool search
Context-rich results
Permissions-aware access
Natural language queries & filters

Glean review →www.glean.com ↗

Glean alternatives

Notion

The AI workspace that works for you

Knowledge BaseFree plan availableAI

AI Agent
Universal search
Collaborative toolkit

Obsidian

Sharpen your thinking

Knowledge BaseFrom $5USD / Per user, per month, billed monthly

Offline access
Plugin and theme customization
Open file formats and data ownership

Archbee

The First Knowledge Portal Platform

Knowledge BaseFrom $80 / per month

Branches
Variables
Publish to Your Domain

Evernote

Your notes. Organized. Effortless.

Knowledge BaseFree plan available

Notes
Tasks
Calendar

Fabric

Your self-organizing workspace and file explorer

Knowledge BaseAI

Voice notes
Quick notes
Instant capture

Guru

Your company's all-in-one solution for trusted information

Knowledge Base

Knowledge Agents
In-browser and workflow integration
Source-backed responses

Humata

AI meets your knowledge base

Knowledge BaseFree plan availableAI

Unlimited Files
Highlights Citations
Unlimited Questions

Logseq

A privacy-first, open-source knowledge base

Knowledge BaseOpen Source

Linked References
Queries
Flashcards

Nuclino

The easy knowledge base for teams

Knowledge BaseFree plan available

Instant Search
Unified Knowledge Base
AI Sidekick

Outline

Your team’s knowledge base

Knowledge BaseFrom $10 per month / monthly

Intuitive editing experience
Real-time collaboration
Powerful search & AI Q&A

Slab

Knowledge Base & Wiki Software

Knowledge BaseFree plan available

Create
Organize
Search

Slite

One Combined Workspace. All Your Team Documentation

Knowledge BaseFrom $10 / per user/month

Document Verification
Bulk Document Management
AI-Suggested Actions

Frequently Asked Questions

What is Glean?

Glean is a Knowledge Base tool: Glean – Enterprise AI that Works. Paid plans start from $29 / monthly. Key features include Cross-tool search, Context-rich results, Permissions-aware access and Natural language queries & filters.

Are there free alternatives to Glean?

Yes. Notion, Evernote, Humata, Nuclino and Slab have a free plan.

Is there an open-source alternative to Glean?

Yes. Logseq is open source.

Which Glean alternatives are paid-only?

Obsidian: From $5USD / Per user, per month, billed monthly. Archbee: From $80 / per month. Outline: From $10 per month / monthly. Slite: From $10 / per user/month.