Side by side
Nuclino vs Slab
Both stand on knowledge base software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIiPhone+4
Choose Nuclino if your team wants shared documents, several ways to organize work, and a canvas for diagrams or whiteboards. The Free plan has clear item, canvas, and storage caps. Teams needing unlimited items, more storage, or Business features can consider paid tiers, though their prices are not provided.
Visit Nuclino Free plan WebWindowsMac
Visit Slab The facts
| Nuclino | Slab | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, iPhone, Linux, Mac, Web, Windows | Web, Windows, Mac |
| Lowest paid plan | Free or on request | Startup: $6.67 a month |
| Plans published | 3 | 4 |
| Maker | Nuclino | Slab |
| Website | nuclino.com | slab.com |
| On knowledge base software | #8 of 138 | #12 of 138 |
Nuclino: what it does well
- Shared items hold notes, tasks, flowcharts, and embedded files.
- Four views organize knowledge and work.
- An infinite canvas supports whiteboards and diagrams.
- Sidekick drafts content, generates images, and summarizes notes.
- API supports content updates, Markdown, search, items, and users.
What to know first
- Free plan caps workspaces at 50 items and three canvases.
- Free plan includes 2GB of total storage.
- Starter and Business prices are not provided.

