Help center and knowledge base

A help center is where customers go to solve a problem without contacting support. Knowledge base software gives support teams an editor, a structure of categories and articles, search, and a public site to publish them on, often with a widget that shows relevant articles inside a product or next to a contact form. Done well, it answers the common questions so agents can spend their time on the hard ones.

The writing side matters more than the software. Articles that answer one question each, use the same words customers use and get updated when the product changes will outperform a large library of long, general pages on any platform. When you evaluate a tool, look at how easy it is for agents, who are not usually trained writers, to create and fix articles quickly. Templates, a simple editor and a review step for new content all help.

AI features in this category come in two main forms. Reader-facing assistants answer a question in a chat box by drawing on your published articles, with links to the sources. Writer-facing features draft new articles from resolved tickets, suggest updates to old ones or summarize long pages. Both depend on the quality of the underlying content. If the articles are wrong or out of date, the assistant will repeat the mistake with confidence.

Featured AI documentation tools: help center and knowledge base

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6 AI documentation tools in help center and knowledge base

Document360

by Kovai

Knowledge base platform for public help centers and internal docs, with versioning, categories and an AI assistant for search and drafting.

Drafts text with AI
Developer API

Helpjuice

Knowledge base software with customizable templates and search, used for customer help centers and internal support docs.

Developer API

KnowledgeOwl

Knowledge base software for public and private help sites, with reader groups, article reviews and search reports.

HelpDocs

Hosted knowledge base for software companies, with a lightweight editor, search and a help widget for apps.

Help Scout

Customer support platform whose Docs feature hosts a help center that connects to the shared inbox and chat widget.

ProProfs Knowledge Base

by ProProfs

Knowledge base software for help sites, manuals and internal wikis, with templates and an AI writing assistant.

Search analytics are one of the most useful features to check. A report of searches that found nothing, or searches followed by a support ticket, is a direct list of articles you need to write. Also check feedback options on articles, such as a simple yes or no vote, and whether that feedback reaches the article's owner.

Other practical checks: whether the tool supports private articles for certain customers or internal staff, how it handles several languages, whether articles can be versioned for different product releases, and whether the help center is indexed by search engines. Ask for an export sample too, so you know your articles can move if you change platforms later.

Finally, think about who owns each part of the help center. Articles without an owner drift out of date quietly, and customers notice before the team does. Many support teams assign each category to one agent, review the most viewed articles every quarter, and update an article as part of closing any ticket where the article turned out to be wrong or missing. That routine matters more to readers than any feature on a vendor comparison sheet.

Questions about help center and knowledge base

Do I need a separate knowledge base if my help desk has one?

Not always. Many help desk platforms include a help center that is good enough for small teams. A separate knowledge base tool makes more sense when you need features such as versioning, complex permissions, several products or languages, or a more flexible design.

How do I know which articles to write first?

Look at your most common ticket topics and at searches in your help center that return no results. Each of those is a question customers are already asking. Write one short article per question, link to it from replies, and measure whether tickets on that topic fall.

Can an AI assistant answer customers from our articles?

Most platforms now offer this. The assistant reads your published articles and answers in plain language with links to the source. Check how it behaves when no article covers the question, whether it hands over to a person, and whether you can review its answers.

Should internal and customer docs be in the same tool?

Some teams keep both in one knowledge base with access controls, so agents can see internal notes beside customer articles. Others keep internal material in a wiki. One tool is simpler to maintain, but check the permission model carefully before putting sensitive internal content there.