10 Best Knowledge Base Software in 2025 (Complete Guide)

Here’s a list of the best knowledge base software right now:

If your team answers the same questions again and again, you need a knowledge base.

A knowledge base is a central place for answers. It can be for your customers. It can be for your team. The right software makes it easy to write, organize, and search that content.

The wrong tool turns into a messy pile of pages no one reads.

This guide walks through the best knowledge base software today.

You will see where each tool shines, where it fails, and what it will cost.

Let’s go!

1. Confluence

Confluence is a classic choice for many companies. It sits at the heart of a lot of internal documentation. It is very common in teams that also use Jira for tasks and projects.

You create spaces for each team or topic. Inside each space you build a tree of pages. It feels like a structured company wiki.

Key features

Spaces for different teams or projects
Page tree for clear structure
Templates for common documents
Comments and inline notes
Page history and version control
Permissions on space and page level
Search across all spaces

Pros

Very good for large teams
Keeps structure clear when used well
Works smoothly with Jira and other tools from the same company
Handles lots of content over time
Good access control

Cons

Can feel heavy for small teams
New users can feel lost at first
Needs care to avoid clutter
Not the nicest writing experience compared to newer tools

Pricing

Free tier for small teams
Paid plans per user per month
Higher cost plans for big companies

Takeaway

Pick Confluence if you want a solid internal wiki with strong structure. It is best when your company already uses Jira and needs a serious, long term knowledge base.

2. Notion

Notion is a flexible workspace. It can be your wiki, your notes, your tasks, and more. Many small and fast moving teams love it.

You can build a simple knowledge base using pages and databases. You can also publish some content as a public site for customers.

Key features

Simple block based editor
Nested pages for deep structure
Databases with custom fields
Backlinks and related pages
Templates for common needs
Good search across workspace
Public pages for simple external docs

Pros

Very easy to write and edit
Great for mixing notes, docs, and projects
Works for any type of team
Easy to change structure as you grow
Large library of free templates

Cons

Structure can get messy if no one owns it
Permissions can be confusing at scale
Not focused on full support help centers
No deep ticketing features

Pricing

Free plan for individual and small use
Paid plans per user per month
Higher plan for larger companies

Takeaway

Choose Notion if you want a flexible internal knowledge base and one workspace for most of your writing and planning. It shines when you value speed and simplicity more than strict structure.

3. Document360

Document360 is built specifically for knowledge bases. It focuses on both customer facing docs and internal knowledge for your team.

If you want a clean, structured help center with serious control, this tool fits well.

Key features

Clean editor with support for headings, tables, and code examples
Category tree for clear navigation
Versioning for drafts and updates
Workflows for review and approval
Analytics for search terms and article views
Multi language support
Public and private knowledge bases
Branding options for your help center

Pros

Very focused on documentation
Good fit for software and service companies
Strong control over structure and versions
Nice analytics to see what people search for
Handles both internal and external content

Cons

More complex than a simple wiki
Higher starting price than basic tools
Not ideal as your main project or note tool

Pricing

Plans per project or site
Price grows with features and usage
Enterprise level pricing on request

Takeaway

Use Document360 if you want a serious, long term knowledge base for customers and staff. It is best when documentation is a core part of your business.

4. Zendesk Guide

Zendesk Guide is the knowledge base that pairs with Zendesk Support. It is built to reduce tickets and help support teams work faster.

If you already use Zendesk for tickets, this is the natural way to build your help center.

Key features

Public help center site
Article editor with simple layout control
Categories and sections for navigation
Search linked to ticket forms
Multi brand support for different sites
Multi language features
Suggests articles to agents inside tickets
Basic reporting on article use

Pros

Tight link between help center and ticket system
Helps deflect tickets with self service
Easy for agents to share articles in replies
Good for multi brand businesses
Works well for customer support content

Cons

Not meant for deep internal team knowledge
Custom design options are limited
Depends on Zendesk subscription
Hard to use if you do not like the rest of Zendesk

Pricing

Often included in main Zendesk plans
Some advanced features in higher tiers

Takeaway

Pick Zendesk Guide if customer support is your main reason to build a knowledge base and you already live inside Zendesk all day.

5. Help Scout Docs

Help Scout Docs is a simple and clean knowledge base. It pairs with Help Scout’s shared inbox. Many small support teams like it because it is quick to set up.

Key features

Simple article editor
Clean default themes for help centers
Categories and collections
Search bar on every page
Embedded widget to show answers inside your app or site
Custom domain and branding
Basic traffic and search reports

Pros

Very easy to use
Clean design your customers will like
Little setup work
Great fit for small to mid sized online businesses
Works well with email based support

Cons

Less suited for rich internal documentation
Few advanced workflows
Best when you already use Help Scout
Fewer deep integrations than some bigger tools

Pricing

Included with paid Help Scout plans
Price based on users per month

Takeaway

Choose Help Scout Docs if you want a simple, friendly help center for customers and you already use Help Scout for support email.

6. GitBook

GitBook shines for technical and product documentation. It is very popular for developer guides, product manuals, and internal runbooks.

The reading experience is clean. The structure feels natural for more complex topics.

Key features

Editor suited for technical content
Support for code blocks and notes
Collections and nested pages
Sync with Git based code hosting
Versioned documentation sets
Public and private spaces
Simple custom domain setup

Pros

Great for developer and product teams
Clean reading layout
Easy to publish public docs
Good fit for technical onboarding
Works well with code version control

Cons

Not ideal for HR or general company content
Some features feel too technical for non tech users
Not a full support solution for tickets or email

Pricing

Free tier with limits
Paid plans per member per month
Higher tier for larger organizations

Takeaway

Pick GitBook if your knowledge base is mostly technical, such as developer guides or detailed product manuals. It is built for that job.

7. Guru

Guru focuses on quick answers in the flow of work. Instead of long pages, it uses short cards. You can view these cards through a browser extension while you work in other tools.

It is popular with sales, support, and account teams.

Key features

Knowledge cards instead of long pages
Browser extension for quick access
Collections by team or topic
Verification reminders on cards
Search that looks at questions, not just keywords
Integrations with chat and email tools

Pros

Very fast way to get answers
Makes it easy to keep content fresh
Ideal for short repeated questions
Helps new team members learn faster
Works inside the tools people use all day

Cons

Not great for long form guides
Can be hard to map full processes
Needs active upkeep to prevent card clutter
Less suited for public help centers

Pricing

Free trial
Paid plans per user per month
Higher tiers for bigger teams

Takeaway

Choose Guru if your teams need short, trusted answers while they work, and you want knowledge to show up inside the tools they already use.

8. ProProfs Knowledge Base

ProProfs Knowledge Base is a flexible tool for public or internal help sites. It leans on templates and ready made layouts, which is good if you have little time to design.

Key features

Templates for manuals, FAQs, and wikis
Category and page hierarchy
Revision history of articles
Access control for internal content
Options for custom branding
Support for multiple separate sites
Simple editor for text and media

Pros

Fast to set up
Good starting point for non writers
Works for many types of content
Handles multiple brands or projects
Clear structure for readers

Cons

Design feels more basic than newer tools
Less flexible for custom layouts
Not ideal for heavy technical documentation
Interface can feel dated

Pricing

Plans depend on number of sites and editors
Costs are reasonable for small and mid sized companies

Takeaway

Pick ProProfs if you need a straightforward help site with templates and you do not want to spend time on custom design.

9. Nuclino

Nuclino is a light and fast internal wiki. It stays out of the way so teams can write and share.

It works best for small to mid sized teams that want collaboration without extra features.

Key features

Real time editing with your team
Simple page tree and collections
Support for text, images, and embeds
Quick search across items
Clean, minimal layout
Basic permission control

Pros

Very easy to learn
Fast and responsive
Good for small teams who just need a wiki
No clutter or complex menus
Encourages frequent updates

Cons

Fewer advanced features
Limited options for public sites
Not built for deep analytics
Not ideal for very large companies

Pricing

Free tier
Paid plans per user per month

Takeaway

Choose Nuclino if you want a clean, focused internal wiki and prefer speed and clarity over long feature lists.

10. Slite

Slite is a knowledge base and notes tool that focuses on remote teams. It helps teams document discussions and decisions.

It balances simple writing with a light structure of channels and topics.

Key features

Simple editor for notes and docs
Channels to group content by topic
Search across all notes
Comments and mentions for collaboration
Light templates for recurring docs
AI search helper in some plans

Pros

Very friendly for remote teams
Easy to start and keep using
Good for meeting notes and decisions
Helps keep team knowledge in one place
Cleaner structure than plain files

Cons

Less suited for public help centers
Limited advanced workflows
Not great for very technical docs
Can become messy if channels are not managed

Pricing

Free tier
Paid plans per user per month

Takeaway

Pick Slite if your team is remote and you want one place for notes, decisions, and shared knowledge with little friction.

11. Slab

Slab is a modern internal wiki with a focus on design and search. It tries to keep company knowledge organized and easy to find.

It often replaces older tools that feel heavy.

Key features

Clean, modern editor
Topics and collections for structure
Search that reaches into other tools like file storage
Integrations with popular work tools
Version history for all pages
Simple permissions

Pros

Very nice reading and writing experience
Easy to create a clear structure
Helps reduce duplicate documents
Good search across many sources
Works well for onboarding and policies

Cons

Not aimed at public help centers
Not built for deep technical docs
Fewer project management features
Might be overkill for very small teams

Pricing

Free plan
Paid plans per user per month

Takeaway

Choose Slab if you care about a clean, modern internal wiki that feels good to use and makes it easy for people to find what they need.

12. Zoho Learn

Zoho Learn combines a knowledge base and learning tools. It is part of the larger Zoho family of products.

It is useful if you want both written guides and structured courses for training staff.

Key features

Editor for articles and guides
Spaces for different teams
Course builder for training paths
Quizzes and tests
Tracking of learner progress
Links to other Zoho tools

Pros

Good mix of knowledge and training
Helpful for onboarding new staff
Simple structure for spaces and courses
Fits well if you already use other Zoho tools
Often cheaper than many stand alone tools

Cons

Not ideal for public customer help centers
User interface can feel plain
Best value if you commit to other Zoho products
Fewer deep features for pure documentation

Pricing

Plans per user per month
Lower cost than many pure knowledge tools

Takeaway

Pick Zoho Learn if you want one place for internal guides and staff training and you already use or plan to use other Zoho tools.

13. Open Source Options

(MediaWiki, BookStack, XWiki and similar)

Open source tools are a good fit if you need full control over your knowledge base. You run them on your own servers or hosting.

They work best for teams with technical skill who need tight control and low long term cost.

Key features

Full control over data and hosting
Many plugins and themes in some tools
Customizable structure and layout
Good support for large content sets
Strong permission and user controls
Often strong support for technical content

Pros

No ongoing user based license fees
Can fit strict security needs
Very flexible with enough work
Good for long term projects
Many options to choose from

Cons

Setup can be complex
You are responsible for updates and backups
Need technical skill to manage
Design can feel old without custom work
No vendor support for many tasks

Pricing

Software itself is free
Costs in hosting, time, and experts

Takeaway

Choose an open source knowledge base if you must host data yourself or want deep control and your team has the skills to manage it.

How To Choose The Right Knowledge Base For You

Here is a simple way to make a choice.

If you are a small team and want one place for everything
Go with Notion, Slite, or Nuclino.
If you run a support team and want to cut tickets
Choose Zendesk Guide, Help Scout Docs, or Document360.
If you are a technical company with lots of developer content
Choose GitBook or Confluence. Consider open source tools if you want full control.
If your sales or support staff ask the same quick questions all the time
Add Guru on top of your main wiki.
If you want training and knowledge in one tool
Look at Zoho Learn.
If you must host everything yourself
Use an open source option like MediaWiki or BookStack.

Final Thoughts

A knowledge base is not just software. It is a habit. The best tool will still fail if no one writes and updates content.

Start small. Pick one tool that fits your current team and budget. Define simple rules. For example. Where to store what. Who owns each section. How often to review key pages.

Once you do that, your knowledge base becomes a real asset. It cuts support costs. It speeds up new hires. It keeps everyone on the same page.

If you tell me your team size, type of business, and whether you need internal, external, or both, I can give you a very specific top three list and a starter structure for your knowledge base.