Best Knowledge Base Software: Top 13+ Choices

Short overview: The best knowledge base software includes Confluence, Zendesk Guide, Helpjuice, ProProfs Knowledge Base, Freshdesk Knowledge Base, Guru, Bloomfire, KnowledgeOwl, Zoho Desk Knowledge Base, Help Scout Docs, Slab, Tettra, and Zoho Learn.

We compared these tools based on purpose, pricing model, integrations, and ideal use case.

Each option serves a distinct need, from internal team knowledge to customer-facing support documentation.

In this guide, I review some of the best knowledge base software available today. It clearly outlines the main features, pricing details, and key strengths of each option.

Potential drawbacks are also covered, helping readers compare tools with confidence.

We’re going to start off with some basic information regarding knowledge base software and then move on to mentioning the various tools.

Let’s get started.

Top Knowledge Base Software Picks by Category/Use Case:

Here is a summarized list of our top knowledge base tools according to their ideal use case/category:

• Dedicated Knowledge Base Software: Helpjuice, KnowledgeOwl, ProProfs Knowledge Base
• All-Purpose Documentation Platforms: Confluence, Bloomfire
• Internal Team Knowledge and Wikis: Slab, Tettra, Zoho Learn
• Customer-Facing Help Centers: Zendesk Guide, Freshdesk Knowledge Base, Zoho Desk Knowledge Base, Help Scout Docs
• In-Context Knowledge for Daily Work: Guru

How We Chose These Knowledge Base Tools

To make this comparison useful and practical, we evaluated each knowledge base tool using the same set of criteria. Each point reflects real-world usage, day-to-day management, and long-term scalability.

Core features

We looked at what each tool actually does out of the box. Content creation, organization, search, permissions, and analytics all fall under this. Tools with a clear, well-executed feature set scored higher than those trying to do everything at once.

Pros

Pros highlight where a tool performs especially well. This includes usability, speed of setup, quality of the editing experience, and strengths like search quality or workflow integration.

These pros are the reasons teams tend to choose the tool in the first place.

Cons

Cons capture the tradeoffs.

Limitations in customization, scalability issues, weak reporting, or narrow use cases are all included here. This helps set realistic expectations, especially for teams planning to grow.

Pricing and plans

We considered whether a free plan exists, how pricing scales with users or content, and whether key features are locked behind higher tiers. Predictable pricing matters just as much as raw cost.

Target use case

Each tool was assessed based on who it serves best.

Internal knowledge sharing, customer support documentation, long-term technical docs, or lightweight Q&A all require different strengths.

A great tool for one use case can be a poor fit for another.

Integrations

We evaluated how well each tool connects with the broader ecosystem. Native integrations with help desks, collaboration tools, and internal systems matter for keeping knowledge accessible where teams already work. Tools with limited or locked integrations were scored accordingly.

How You Can Choose the Best Knowledge Base Software?

Choosing the right knowledge base software depends less on feature lists and more on how your team actually works. A clear understanding of your goals makes the decision much easier.

Start with your primary use case

Decide whether the knowledge base is for internal teams, customers, or both. Internal knowledge sharing benefits from fast access and lightweight contribution. Customer facing documentation requires stronger structure, search, and long term stability.

Consider content scale and complexity

Think about how much content you plan to maintain. Small libraries can live comfortably in simple tools. Large or long lived documentation sets need strong organization, version control, and predictable behavior over time.

Evaluate integrations early

Your knowledge base should fit naturally into existing workflows. Look for integrations with tools your team already uses, such as help desks, chat platforms, or project management systems. Poor integration often leads to outdated or unused content.

Balance flexibility with simplicity

Highly customizable tools offer power, but they often add overhead. Simpler platforms reduce maintenance but may limit growth. The right choice matches your team’s tolerance for complexity.

Review pricing with future growth in mind

Check how pricing scales as your team or content grows. Per user pricing can become expensive over time. Feature gating may force upgrades earlier than expected.

What is a Knowledge Base Software?

A knowledge base software is a tool that creates a knowledge base, i.e., a single, unified system that stores, organizes, and delivers information such as FAQs, guides, and documentation.

Businesses use knowledge base software to help customers and employees quickly find accurate answers, reduce support tickets, and improve self-service through searchable, well-structured content.

There are two types of knowledge base software. Internal knowledge base software is used to create internal knowledge bases, and external KB software is used for external knowledge bases.

Internal knowledge bases store information for employees, such as procedures and policies. External knowledge bases publish help articles, FAQs, and guides for customers to solve problems without support tickets.

Overview Table of All Knowledge Base Tools in This Guide

Before we jump into describing them all in detail, here is a table that we’ve created to provide a summarized list of all the best knowledge base tools along with their main features and salient qualities.

What Features Should You Look for in a Knowledge Base Software

Here are two lists of features that you should look for in a knowledge base software. One of the features is essential, which means that you shouldn’t skip on them. The other set of features are optional nice-to-haves that can make your experience better, but not terrible if they aren’t available.

Essential features

• Centralized knowledge base for internal teams, external users, or both
• Real-time collaborative editing with multi-user support
• Strong search engine across all content and file types
• Clear content organization using categories, hierarchies, page trees, tags
• Page or article templates for consistent structure
• Version history with rollback and content change tracking
• Role-based permissions and access control at space, page, or article level
• Simple, reliable editor with WYSIWYG and markdown support
• Publishing workflows including drafts, reviews, and approvals
• Analytics to measure usage, engagement, and effectiveness
• Feedback collection, such as ratings, comments, or inline responses
• Integrations with help desks, ticketing systems, or collaboration tools
• Multi-language or localization support
• Mobile-friendly and responsive access
• Cloud-hosted platform with easy setup and scalability
• Custom branding options for logos, colors, and layout
• Content governance to keep information accurate and up to date

Nice-to-have features

• AI-assisted content creation, editing, or summarization
• Ticket-to-article suggestions and automated knowledge surfacing
• Browser extensions for in-workflow knowledge access
• Embedded widgets to deliver help content inside apps or websites
• Advanced search enhancements like previews or semantic ranking
• Knowledge cards or bite-sized content formats
• Automated verification or review reminders
• Ability to aggregate knowledge from multiple external sources
• Social-style interactions like Q&A threads or reactions
• Multimedia support for video, images, and rich files
• Multiple help centers or brand-specific portals
• SEO optimization for public-facing articles
• Offline access, exporting, or printable formats
• Question-driven knowledge capture from chat or Slack conversations
• AI-powered knowledge agents for research or automated answers
• Granular analytics highlighting gaps or deflected tickets
• Seamless upgrade paths within a larger software suite

Confluence

Description

Confluence is an internal knowledge base and collaboration tool built for structured documentation. It is used to store technical specs, project plans, meeting notes, and long-lived company knowledge.

Content is organized into spaces and pages, allowing teams to build hierarchies that mirror how they work.

Why Confluence made it to this list

Confluence is a reference point for internal documentation tools. It has been adopted at scale across engineering, product, and IT teams for years.

Its longevity, depth, and ecosystem make it difficult to ignore when evaluating knowledge management platforms.

What we like about this tool

Confluence handles complex documentation well. Long documents remain readable and navigable. Permissions are granular and dependable. The product is stable, with predictable behavior even in large instances.

Key features

• Page and space hierarchies
• Rich text editor with macros
• Templates for specs, roadmaps, and notes
• Inline comments and mentions
• Page version history and change tracking
• Granular access controls

Pricing

Confluence offers a free tier with user limits and reduced features. Paid plans are priced per user and scale with team size. Enterprise plans add advanced admin and security controls.

Here is an image that shows the pricing plans of Confluence:

Integration options

Confluence integrates tightly with Jira, making it a natural fit for teams already using Atlassian products. It also connects with Slack, Google Drive, Trello, and hundreds of marketplace apps. APIs are available for custom integrations.

Ideal use case

Confluence works best for internal documentation in engineering-led organizations, especially where structure and long-term ownership matter. Its ideal use cases include

• Teams that maintain structured technical specifications
• Organizations documenting architectural decisions and design rationale
• Groups focused on long-term knowledge retention and traceability
• Environments where documentation discipline already exists and is enforced

Key takeaway

Confluence is a powerful internal wiki built for structure and scale. It excels when documentation is treated as infrastructure, not just content.

Zendesk Guide

Description

Zendesk Guide is a customer-facing knowledge base designed to live inside the Zendesk support ecosystem. It is used to publish help articles, FAQs, and troubleshooting content that customers access before or during support interactions. The tool is built to reduce ticket volume and improve resolution speed.

Why Zendesk Guide made it to this list

Zendesk Guide is a default choice for teams already running Zendesk Support. It is tightly integrated into ticket workflows, making documentation part of the support operation rather than a separate system. That alignment is its defining strength.

What we like about this tool

Articles are directly connected to support outcomes. Agents can reference, suggest, and update content without leaving their workflow. Analytics focus on deflection and article usefulness instead of vanity metrics.

Key features

• Public and private help centers
• Article versioning and publishing workflows
• Ticket deflection reporting
• Multilingual content support
• Agent-side article recommendations
• Customizable help center themes

Pros/Cons

Pricing

Zendesk Guide is available as part of Zendesk plans and as an add-on, depending on the edition. Pricing scales with agent count and feature access. There is no meaningful standalone free version.

Here is an image that shows the details of Zendesk’s plans:

Integration options

Zendesk Guide integrates natively with Zendesk Support, Talk, and Explore. External integrations are limited compared to standalone knowledge tools. APIs are available for advanced customization and data access.

Ideal use case

Zendesk Guide is best suited for customer-facing documentation that directly supports support operations and ticket deflection.

• Customer support teams handling steady, repeatable ticket volume
• Organizations focused on reducing incoming tickets through self-service
• Environments where documentation exists primarily to assist support agents and customers
• Use cases where a general internal knowledge repository is not the goal

Key takeaway

Zendesk Guide treats documentation as an extension of support. It is most effective when knowledge is written to resolve tickets fast and at scale.

Helpjuice

Description

Helpjuice is a standalone knowledge base platform built for publishing external documentation. It is used to create help centers, FAQs, and product documentation without being tied to a ticketing system.

The product focuses on search, readability, and control. It has a simpler interface compared to other tools like Confluence.

Why Helpjuice made it to this list

Helpjuice earns its place by staying focused. It does one job well, hosting and organizing knowledge for customers. For teams that want documentation to exist independently from support software, it is a clear option.

What we like about this tool

Search quality is strong and consistent. Customization is flexible without requiring engineering effort. Content management feels very focused, with fewer distractions than all-in-one platforms.

Key features

• Full-text search with relevance tuning
• Custom themes and branding
• Role-based access control
• Article analytics and feedback
• Versioning and content history
• API access

Pros / Cons

Pricing

Helpjuice is a paid-only product. Pricing is based on the number of users and the knowledge base size. Higher tiers unlock advanced analytics, permissions, and customization options.

Integration options

Helpjuice supports single sign-on and provides APIs for custom integrations. Native integrations are limited, with most connections handled through custom development or third-party tools.

The integrations offered by Helpjuice include:

• Slack
• MS Teams
• Jira
• Trello
• Salesforce

Ideal use case

Helpjuice is well-suited for SaaS companies that need polished external documentation. It works best when documentation is a primary customer resource rather than a support add-on.

Key takeaway

Helpjuice is purpose-built for external knowledge bases. It favors clarity, control, and search over breadth.

ProProfs Knowledge Base

Description

ProProfs Knowledge Base is a simple documentation tool for creating help articles, FAQs, and manuals. It is designed for quick setup and ease of use rather than deep structure or advanced workflows.

Why ProProfs Knowledge Base made it to this list

ProProfs made it to this list because it is super easy to use.

It lowers the barrier to publishing documentation. Teams without technical resources can get a functional knowledge base online quickly.

What we like about this tool

The interface is straightforward. Content creation feels familiar to anyone who has used basic editors. Little training is required.

Key features

• WYSIWYG article editor
• Public and private knowledge bases
• Categories and basic navigation
• Simple analytics and reports
• Import and export options

Pros / Cons

Pricing

ProProfs Knowledge Base offers a freemium plan with limited features. Paid plans unlock branding removal, advanced analytics, and greater storage.

Integration options

ProProfs Knowledge Base connects with a wide range of external systems through native integrations and API access. It links directly with support platforms like Zendesk and Freshdesk, allowing agents to reference articles while responding to tickets. Jira integration supports alignment between documentation and issue tracking.

For multilingual content, ProProfs works with Google Translate and Crowdin. Custom workflows can be built using the available API.

Ideal use case

ProProfs is best for small teams, startups, or individuals who need basic documentation without complexity. It works well for short-lived or lightweight knowledge bases.

Key takeaway

ProProfs prioritizes accessibility and speed. It trades depth and scalability for simplicity.

Freshdesk Knowledge Base

Description

Freshdesk Knowledge Base is a documentation system built into the Freshdesk support platform. It is designed to publish help articles that assist customers and reduce incoming tickets. Content lives close to the support queue.

Why Freshdesk Knowledge Base made it to this list

It is a natural choice for teams already using Freshdesk. Documentation and ticket handling operate as one system, which keeps support workflows aligned.

What we like about this tool

Articles are easy for agents to reference while working on tickets. Content updates can be made without switching tools. Reporting focuses on resolution efficiency.

Key features

• Public and internal knowledge bases
• Categories and folders
• Multilingual article support
• Agent-facing article suggestions
• Feedback and basic analytics

Pros / Cons

Pricing

Freshdesk Knowledge Base is included with Freshdesk plans. Feature availability depends on the selected tier. There is a limited free offering for small teams.

Here is an image that shows Freshdesk Knowledge Base’s pricing:

Integration options

The knowledge base integrates natively with Freshdesk Support and other Freshworks products. It also connects with tools like Slack, CRM systems, and automation workflows through Freshworks integrations and APIs.

Ideal use case

Freshdesk Knowledge Base fits support teams that want documentation tightly coupled with ticket resolution. It works best when articles exist to answer repeat customer questions.

Key takeaway

Freshdesk Knowledge Base treats documentation as a support function. It is most effective when knowledge is written to close tickets faster.

Guru

Description

Guru is an internal knowledge management tool designed to surface answers inside the tools teams already use. Instead of acting as a traditional wiki, it delivers short, verified knowledge directly within daily workflows.

The platform is built around the idea that knowledge should be available at the moment of need. Content is broken into cards, kept accurate through verification, and accessed without context switching.

Why Guru made it to this list

Guru changes how teams interact with knowledge. Its delivery-first approach addresses the common problem of documentation that exists but is rarely consulted.

What we like about this tool

Knowledge is easy to find and trust. Verification workflows create accountability. Adoption is strong among non-technical roles.

Key features

• In-context browser extension
• Knowledge cards with verification cycles
• AI-powered search and recommendations
• Subject matter expert assignments
• Usage and trust analytics

Pros / Cons

Pricing

Guru is a paid product with tiered plans based on users and features. There is no free plan intended for long-term use.

Integration options

Guru integrates with Slack, Microsoft Teams, Chrome, Salesforce, Zendesk, and other CRM and support tools. APIs and webhooks support custom workflows and automation.

Ideal use case

Guru fits teams that need fast, reliable answers during live work.

• Sales teams handling objections and pricing questions
• Support teams responding to customers in real time
• Customer success teams managing account knowledge
• Enablement teams maintaining shared playbooks

Key takeaway

Guru prioritizes speed and trust in knowledge delivery. It works best when answers must be immediate and accurate.

Bloomfire

Description

Bloomfire is an internal knowledge platform built to centralize information across large organizations. It combines documents, Q&A, videos, and informal knowledge into a single searchable system.

The tool is designed to capture both formal documentation and day-to-day expertise. It focuses on discoverability, making it easier for employees to find answers without knowing where information lives.

Why Bloomfire made it to this list

Bloomfire addresses the problem of scattered knowledge at scale. It is built for organizations where information is spread across teams, formats, and systems.

What we like about this tool

Search is strong and forgiving. Content types are flexible. The platform supports both structured documentation and informal questions.

Key features

• Centralized knowledge hub
• AI-powered search and content recommendations
• Q&A with expert attribution
• Support for documents, video, and rich media
• Analytics on content usage and gaps

Pros / Cons

Pricing

Bloomfire is a paid, enterprise-focused product. Pricing is typically custom and based on organization size and feature requirements.

There are no pricing details mentioned on the website. However, the plans are differentiated like this:

Integration options

Bloomfire integrates with tools like Slack, Microsoft Teams, Salesforce, Google Drive, and enterprise authentication providers. APIs are available for custom integrations and data exchange.

Ideal use case

Bloomfire is suited for organizations managing knowledge at scale.

• Large or distributed teams
• Research, insights, and enablement groups
• Organizations with mixed content formats
• Companies replacing multiple internal repositories

Key takeaway

Bloomfire is built for breadth and discoverability. It works best when knowledge is widespread and difficult to centralize.

KnowledgeOwl

Description

KnowledgeOwl is a documentation platform focused on building clear, structured help content. It is primarily used for external knowledge bases, though it can also support internal documentation.

The tool emphasizes organization, version control, and maintainability. It avoids unnecessary features in favor of predictable behavior and clean information architecture.

Why KnowledgeOwl made it to this list

KnowledgeOwl stands out for its focus on documentation fundamentals. It is built for teams that care about structure, clarity, and long-term content upkeep.

What we like about this tool

Content organization is strong. Versioning and change tracking are reliable. The platform stays out of the way while writing.

Key features

• Hierarchical content structure
• Version control and change history
• Search with relevance tuning
• Reader feedback and analytics
• Access control and permissions

Pros / Cons

Pricing

KnowledgeOwl is a paid product with pricing based on the number of users and knowledge bases. Plans include hosting, updates, and support.

Integration options

KnowledgeOwl integrates with single sign-on providers, analytics tools, and customer support platforms. APIs and webhooks allow for custom integrations and workflow automation.

Ideal use case

KnowledgeOwl works well for teams that treat documentation as a maintained product.

• SaaS companies with external help centers
• Documentation and technical writing teams
• Products with frequent updates
• Teams managing versioned content

Key takeaway

KnowledgeOwl prioritizes structure and maintainability. It is a strong choice for teams serious about documentation quality.

Zoho Desk Knowledge Base

Description

Zoho Desk Knowledge Base is a documentation system built into Zoho Desk. It is used to publish help articles that support customer service workflows and reduce repeat inquiries.

The knowledge base is closely tied to ticket management. Content is written, managed, and surfaced in the context of support interactions rather than as a standalone documentation product.

Why Zoho Desk Knowledge Base made it to this list

It is a practical option for teams already using Zoho Desk. The tight coupling between tickets and articles keeps support and documentation aligned.

What we like about this tool

Setup is straightforward for Zoho users. Articles are easy for agents to reference. Permissions and visibility rules are clear.

Key features

• Public and private knowledge bases
• Category and folder structure
• Multilingual content support
• Article feedback and ratings
• Agent-side article suggestions

Pros / Cons

Pricing

Zoho Desk Knowledge Base is included with Zoho Desk plans. Feature availability depends on the selected tier. There is a limited free option with restrictions.

Integration options

The knowledge base integrates natively with Zoho Desk and other Zoho products such as CRM and SalesIQ. APIs allow for custom integrations and data access within the Zoho ecosystem.

Ideal use case

Zoho Desk Knowledge Base fits teams running support inside Zoho.

• Customer support teams using Zoho Desk
• Organizations standardized on Zoho tools
• Teams focused on reducing repeat tickets
• Small to mid-size support operations

Key takeaway

Zoho Desk Knowledge Base is most effective when documentation exists to support ticket resolution within Zoho.

Help Scout Docs

Description

Help Scout Docs is a customer-facing documentation tool built to support Help Scout’s support platform. It is used to publish help articles, FAQs, and guides that customers can read before contacting support.

The product emphasizes clarity and readability. It avoids complex configuration in favor of clean presentation and straightforward content management.

Why Help Scout Docs made it to this list

Help Scout Docs fits teams that value simple, well-written documentation. It aligns closely with a customer-first support philosophy rather than heavy process or tooling.

What we like about this tool

The reading experience is clean. Writing and editing feel natural. Articles are easy to maintain over time.

Key features

• Public help center hosting
• Simple article editor
• Search with typo tolerance
• Multilingual support
• Basic analytics and feedback

Pros / Cons

Pricing

Help Scout Docs is included with Help Scout plans. Pricing scales based on users and support features rather than documentation volume.

Here is an image that shows the pricing details for Help Scout.

Integration options

Help Scout Docs integrates natively with Help Scout Inbox and Beacon. It also connects with tools like Slack and analytics platforms. API access is available for custom workflows.

Ideal use case

Help Scout Docs works well for teams that want documentation to feel human and accessible.

• Customer support teams using Help Scout
• Small to mid-size SaaS companies
• Teams prioritizing clarity over depth
• Support-led documentation efforts

Key takeaway

Help Scout Docs favors simplicity and readability. It is best when documentation supports thoughtful customer support.

Slab

Description

Slab is an internal wiki designed for fast writing and easy reading. It is used to store team knowledge, processes, and internal documentation without heavy structure.

The product focuses on simplicity. Content is easy to create, search, and update, making it accessible to teams that want documentation without overhead.

Why Slab made it to this list

Slab strikes a balance between modern design and practical function. It lowers friction for teams that want an internal wiki people actually use.

What we like about this tool

The editor is clean. Search is fast. Navigation feels intuitive even as content grows.

Key features

• Simple page-based wiki
• Fast, relevance-based search
• Markdown and rich text editing
• Topic-based organization
• Permissions and access controls

Pros / Cons

Pricing

Slab offers a free tier with limited features. Paid plans are priced per user and unlock advanced permissions and integrations.

Integration options

Slab integrates with Slack, Google Drive, GitHub, Jira, and common identity providers. APIs and webhooks support additional integrations.

Ideal use case

Slab works well for teams that want a lightweight internal wiki.

• Startups and growing teams
• Product and engineering groups
• Teams replacing shared docs
• Organizations prioritizing usability

Key takeaway

Slab keeps internal documentation simple. It works best when ease of use matters more than depth.

Tettra

Description

Tettra is an internal knowledge base built to answer repeat team questions. It is designed to capture operational knowledge and surface it quickly, especially inside Slack.

The product centers on short, practical entries rather than long documents. Knowledge is organized to support day-to-day work instead of formal documentation systems.

Why Tettra made it to this list

Tettra focuses on a specific problem: repeated questions slowing teams down. Its Slack-first approach makes knowledge easier to access where work already happens.

What we like about this tool

Slack integration is strong. Content stays concise. Ownership and review workflows are clear.

Key features

• Slack-based knowledge search
• Q&A and article formats
• Content ownership and review cycles
• Permissions and access controls
• Usage analytics

Pros / Cons

Pricing

Tettra is a paid product with pricing based on users. Plans include review workflows and analytics. There is no permanent free tier.

There are two main plans: Scaling and Enterprise. The enterprise plan is custom, and here is the image for the Scaling plan:

Integration options

Tettra integrates primarily with Slack and also supports tools like Google Workspace, GitHub, and identity providers. APIs allow for custom integrations.

Ideal use case

Tettra fits teams that rely heavily on Slack for communication.

• Teams overwhelmed by repeat questions
• Operations and people teams
• Support and internal enablement groups
• Small to mid-size organizations

Key takeaway

Tettra is built for speed and repetition. It works best when internal knowledge lives in conversations.

Zoho Learn

Description

Zoho Learn is an internal documentation tool designed for storing and sharing organizational knowledge. It focuses on structured content, controlled access, and team-level organization.

The product is built as part of the broader Zoho ecosystem. It emphasizes consistency and permission management over design or advanced collaboration.

Why Zoho Learn made it to this list

Zoho Learn remains relevant for organizations already invested in Zoho. It provides a straightforward way to centralize internal knowledge without introducing a separate vendor.

What we like about this tool

Access controls are clear. Team spaces are easy to manage. The product behaves predictably.

Key features

• Team-based workspaces
• Page hierarchies and folders
• Role-based access control
• Version history
• Commenting and collaboration

Pros / Cons

Pricing

Zoho Learn is a paid product with pricing based on users. It is often bundled with other Zoho workplace tools.

Integration options

Zoho Learn integrates natively with Zoho applications such as CRM, Projects, and Desk. APIs are available for extending functionality within the Zoho platform.

Ideal use case

Zoho Learn works best for teams standardized on Zoho tools.

• Internal teams using Zoho Workplace
• Organizations with strict access needs
• Small to mid-size companies
• Knowledge stored for reference

Key takeaway

Zoho Learn prioritizes control and consistency. It is a practical choice inside the Zoho ecosystem.

Conclusion

And that brings our list to a close.

As we end this post, here is a brief recap of all the tools that we listed above, along with what they do best and what they are best suited for.

Confluence excels at structured internal documentation and is best suited for engineering and product teams, while Zendesk Guide and Freshdesk Knowledge Base are strongest when documentation exists to deflect support tickets inside their respective ecosystems. Help Scout Docs fits teams that value clean, customer-friendly documentation, and Zoho Desk Knowledge Base works best for support teams already standardized on Zoho tools.

For standalone documentation, Helpjuice and KnowledgeOwl are strong options for external help centers, with Helpjuice emphasizing customization and search, and KnowledgeOwl emphasizing structure and long-term maintainability. ProProfs Knowledge Base stands out for ease of use and fast setup, making it a good fit for small teams and non-technical users.

On the internal knowledge side, Guru is best for delivering answers directly inside workflows, Bloomfire is designed for large organizations managing knowledge at scale, and Slab offers a lightweight internal wiki for teams that value simplicity. Tettra works best for Slack-centric teams dealing with repeat questions, while Zoho Learn is a practical choice for internal documentation within the Zoho ecosystem.