Nuclino

Nuclino is ranked #1 of 138 in knowledge base software on Freedom251, made by Nuclino (Grünwald, Germany). It runs on Android, API, iOS, Linux, macOS, Web, Windows. There is a free plan. A free trial is offered.

Nuclino plans and pricing

All plans

Free Free Up to 50 items · Up to 3 canvases · 2GB total storage nuclino.com · 2 Oct 2026

Starter Not published Billed monthly or yearly (up to 25% off); displayed price amount is not provided Unlimited items · Unlimited canvases · Admin tools · Publishing · 30-day version history · 10GB storage per user nuclino.com · 2 Oct 2026

Business Not published Billed monthly or yearly (up to 25% off); displayed price amount is not provided Sidekick (AI) · Audit log · Team insights · Advanced security controls · SAML SSO · Custom publishing domain · Unlimited version history · 20GB storage per user nuclino.com · 2 Oct 2026

Compared on knowledge base software

Free plan: Yes

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Nuclino

Publishing audience: both
Article limit: 50
Custom domain: Yes
SSO support: Yes
Version history: Yes
Purpose: Nuclino describes itself as a collaborative workspace for bringing team knowledge, documents, and projects together.
Collaborative documents: Each item is a collaborative document for notes, tasks, flowcharts, and embedded files.
Views: It provides list, board, table, and graph views for organizing knowledge and work.
Canvas: Users can add an infinite canvas for whiteboards and diagrams.
Search and editing: The product offers fast search with filters, keyboard shortcuts, slash commands, and Markdown.
AI: Sidekick can draft content, generate images, and summarize notes, and Nuclino offers MCP connections for Claude, ChatGPT, and Cursor.
Integrations: The maker lists integrations including Slack, Microsoft Teams, Discord, Google Drive, OneDrive, Dropbox, Jira, and many embeddable diagram and media tools.
API: The API can create and update content, fetch content as Markdown, search content, list items, and fetch users.
Security: Nuclino says data is encrypted in transit with TLS and at rest with AES-256, and automatic encrypted database backups are kept for up to 60 days.
Price from: Free

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Where it ranks on Freedom251

Best Knowledge Base Software in 2026#1 of 138
Best Knowledge Management Software in 2026#2 of 37
Best AI Knowledge Base Software in 2026#1 of 36
Best Collaborative Document Software in 2026#2 of 34
Best Document Collaboration Software in 2026#6 of 32
Best Internal Knowledge Base Software in 2026#3 of 25

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Sources

nuclino.com· checked 21 Sept 2026
nuclino.com/product· checked 2 Oct 2026
nuclino.com/apps· checked 2 Oct 2026
nuclino.com/api· checked 2 Oct 2026
nuclino.com/security· checked 2 Oct 2026
nuclino.com/pricing· checked 2 Oct 2026
nuclino.com/about· checked 2 Oct 2026