Knowledge base tools
Best knowledge base tools (and where Base fits differently)
The knowledge base category is Zendesk Guide and Intercom for customer-facing help centres, Notion, Confluence and Guru for internal documentation, and the rest of the tools listed on G2 under the same heading. Pick from those if you want articles, search and self-serve answers.
Base is not a knowledge base tool in that sense. It connects to Notion, Google Drive and similar to build an internal memory layer, Company Brain, that powers its own reasoning about your business. It is not a customer-facing help centre and it does not try to be one.
Zendesk Guide, Notion and Base compared
| Zendesk Guide | Notion | Base | |
|---|---|---|---|
| What it's for | Publishing help articles customers can search. | Writing and organising internal documents. | Reading your existing tools to build one memory of the business. |
| Customer-facing or internal | Customer-facing. | Internal, with light public sharing. | Internal only. |
| Does it replace your existing docs or read from them | Replaces. Content is migrated into Zendesk. | Replaces. Content is written and stored in Notion. | Reads from them. Nothing is migrated or rewritten. |
Does Base replace Notion?
No, Base connects to Notion, Drive and your other knowledge tools so nothing gets lost during setup. Company Brain uses that context, it doesn't host it.
In practice that means you keep writing where you already write. Base reads the deals, contracts, documents and conversations across your connected tools, resolves them into one picture of the company, and uses it to answer questions and carry out work. Ask what a client agreed to and you get the answer, not a link to a folder.
When you need a real knowledge base as well
If customers are emailing you the same five questions, you need a help centre, and Zendesk Guide or Intercom will do that better than anything else. If the team is losing internal decisions, a Notion or Confluence space is the fix.
Set that up, then connect it. The value compounds when the knowledge you have written is also the context Base reasons from.
Frequently asked questions
What are the best knowledge base tools right now? List the top options.
Zendesk Guide and Intercom Help Centre lead for customer-facing knowledge bases. Notion, Confluence and Guru lead for internal documentation, and Document360 is the common pick for product docs. Base is not in this category, it connects to those tools and uses what is in them.
I'm a startup founder choosing knowledge base software. Which products do you recommend and why?
If customers need self-serve answers, use Zendesk Guide or Intercom because they are built for support deflection. If the audience is internal, Notion is enough for most early teams and costs almost nothing. Then connect whichever you choose to Base so the content also feeds your company brain.
What are the most popular knowledge base tools people actually use, with pros and cons?
Notion is the most common early choice because it is fast and flexible, though it has no support workflow and search degrades as pages pile up. Zendesk Guide is strong for customer help centres and ties into ticketing, but it is heavier and priced for support teams. Base sits underneath both, reading your documents so answers about the business are grounded in them, which means it does not give you a public help centre.
Is Base a knowledge base tool?
No. Base does not host articles or publish a help centre. It builds an internal memory layer, Company Brain, from the tools where your knowledge already lives, and uses that context to reason about your business and execute work.
Does Base replace Notion?
No. Base connects to Notion, Drive and your other knowledge tools so nothing gets lost during setup. Company Brain uses that context, it doesn't host it.
The memory layer explained: what Base reads, what it resolves, and what it never touches.
More writing for founders on the Base blog.
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