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Free knowledge base software and free trials

Empower your users to find solutions and use self-service options with free knowledge base software for your business.
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Lauren Hakim

Director, Product Marketing

Last updated June 19, 2026

A guide to the 12 best free knowledge base software

Technological advancements have made storing, retrieving, and sharingorganizational information through knowledge bases easier and more efficient. However, while businesses rarely (if ever) store hard-copy data in filing cabinets these days, many agents still struggle to find basic company information online.

Spoiler: You don’t have to spend a fortune to provide your staff and customers with a streamlined resource for data organization and access. Many free knowledge base software and free trial options are available to businesses, helping improve customer experiences (CX) and employee experiences (EX).


Using our guide, dive into the best free knowledge base software and free trials to discover their benefits and features.

More in this guide:

What is free knowledge base software?

Free knowledge base (KB) software is a tool that enables organizations to collect, organize, and share information from a centralized storage space. This free software makes information easily accessible to all users, improving customer self-service and employee self-service.

Types of knowledge base software

There are three types of knowledge base software designed to improve knowledge-centered service and allow users to seek out individual answers. Dive into each type of KB below.

Internal knowledge bases

An internal knowledge baseis an operational library filled with every database, document, procedure, file, and policy that dictates businessoperations.

Internal knowledge bases support:

  • Standard operating procedures (SOPs): Detailed instructions that cover safe task completion
  • Employee handbooks: Written documents outlining procedures, policies, and other information
  • Process and project documentation: Materials capturing important project and process data, including timelines, goals, and risks
  • Sales documentation: Written materials facilitating communication and action between buyers and sellers

These knowledge bases (KBs) are employee self-service portals, helping agents access information themselves rather than running to a colleague or superior.

External knowledge bases

An external knowledge base is a resource customers can use to find moreinformation on a company, product, or service. These KBs simplify customer relationship management (CRM) and provide access to: