Compare the Top Free Software Documentation Tools as of June 2025

What are Free Software Documentation Tools?

Software documentation tools are designed to help developers and technical writers create, manage, and share documentation related to software applications. These tools facilitate the writing of user guides, API references, installation instructions, and other types of technical content. They often include features like version control, templates, collaborative editing, and integration with code repositories to streamline the documentation process. Some popular tools offer support for various output formats, such as HTML, PDF, and Markdown, making it easier to distribute documentation to different audiences. By using these tools, teams can ensure that their documentation remains accurate, up-to-date, and accessible throughout the software development lifecycle. Compare and read user reviews of the best Free Software Documentation tools currently available using the table below. This list is updated regularly.

  • 1
    Interfacing Enterprise Process Center (EPC)
    Interfacing’s Digital Twin Organization software provides transparency and Governance to improve Quality, Efficiency, and ensure Regulatory Compliance. Map, analyze, and automate processes, manage regulatory compliance, assess risks within a single platform! Interfacing’s digital twin solution (Enterprise Process Center - EPC) is an enterprise management system that helps companies digitalize processes to streamline operations, increase productivity, and continuously improve. Interfacing’s digital business platform – Rapid Application Development (RAD) Tools, with its Low-Code Development methodology will optimize usage of your technical resources and maximize transparency for ongoing improvement. Discover how our Low-Code Rapid Application Development module provides all the tools to create and deploy Custom, Scalable, Secure, and Mobile ready Applications in Days vs. Months!
    Starting Price: $10/month/user
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  • 2
    ProProfs Knowledge Base
    ProProfs Knowledge Base is a knowledge management software used to create highly-searchable online FAQ’s to improve customer service and reduce tickets. ProProfs helps centralize access to all your files, documents and how-to articles ensuring they can be accessed across multiple devices and platforms. Organizations can easily share important information to train their sales, customer service and support teams. It is also an effective method for introducing new hires to company procedures during the onboarding process. ProProfs Knowledge Base improves productivity by making it easy for employees and customers to instantly find what they're looking for, whenever and wherever they need it. ProProfs Knowledge Base Software eliminates the need to answer the same questions over and over again.
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    Starting Price: $6 per user per month
  • 3
    Process Street

    Process Street

    Process Street

    Process Street is a modern process management platform for teams. We help teams share their core processes, then transform them into powerful no-code workflows. Start with employee onboarding to set up new hires for success, then build all sorts of workflows like customer implementation, content approvals and tenant screening. Manage your team wiki and company handbook 100% free. Join Salesforce, Colliers, Drift and 3,000+ others who use Process Street today.
    Starting Price: $25/month/user
  • 4
    Docuo

    Docuo

    Spreading

    Docuo is an All-in-one tool documentation platform. It is a SaaS platform that helps you to build a great self-service knowledge base for your customers and internal users (public or private knowledge bases). It can Elevate your team's capabilities with one powerful documentation tool. Eliminate fragmented workflows, consolidate tasks, and supercharge efficiency. Benefits of using Docuo: —AI-Assisted Writing:Docuo Copilot automates documentation writing so developers can focus on coding, not writing. —Cross-Team Collaboration: Enable seamless collaboration so your developers and tech writers can co-create stellar documentation with ease. —Easy-to-use Editor: Intuitively embed images, videos, code and more. Customizable blocks make rearranging content effortless. —Hassle-Free Doc Management: Centralize docs for all products enabling effortless version control. —Publish Docs Sites: Docuo handles optimizations for responsiveness, mobile-friendliness and SEO
    Starting Price: $31/month/team
  • 5
    Bit.ai

    Bit.ai

    Bit Tech Labs

    The World's Most Powerful Workplace and Document Collaboration Platform. Built for teams and individuals to create, collaborate, and organize all your work in one place from anywhere in the world. Create fast dynamic notes, documents, wikis, knowledge bases, projects, client deliverables, training guides and client portals, while integrating across the apps you work with. Organize all your work in one place. Use Bit for smart notes, research, freelance work, client deliverables, classwork & more in one beautiful place. Work with your team, clients, partners or students, regardless of where they are located and collaborate on projects together in real-time. Utilize guest access to bring clients, partners and contractors into your world. Bit scales across your entire organization, regardless of whether everyone is in one location or distributed across the globe. Keep all your company knowledge across departments, teams, projects, and clients organized in one central hub.
    Starting Price: $8 per user per month
  • 6
    Tango

    Tango

    Tango

    Catch up on your documentation, cut down on meetings and interruptions, and save hours every week. We’ll automatically create a step-by-step guide with perfectly cropped screenshots, links, and annotations. Blur out sensitive information, add annotations, draw freehand, or customize your logo and colors. Publish your guide to multiple knowledge bases with one click, share a direct link, or export to PDF, HTML, or Markdown. You click through your process. Tango does the documenting. Create 10 how-to guides in the time it used to take to do one. Say goodbye to long videos and walls of text. Tango turns any process into a beautiful, shareable how-to guide. Document steps on any website or software. Tango with all your favorite tools. Highlight what's important with an arrow, rectangle, circle, or text. Or draw anything you can imagine with the freehand pen. Resize images to focus on what matters and cut what doesn’t.
    Starting Price: $16 per month
  • 7
    Mimrr

    Mimrr

    Mimrr

    Automate your code documentation & get fixes to code bugs, performance & security issues. Simply connect your repo to Mimrr and leave the magic of generating contextual documentation to us. Proactively analyzes every change to effortlessly find and suggest fixes to your code quality issues. Experience efficiency with our shared resources. We manage the hosting, you reap the benefits. Integrate our model directly into your infrastructure. Host your docs publicly so that end users can use your APIs or host privately for your own team. Seamlessly organize and view multiple projects within the same dashboard. Our semantic code chat helps you get better results from your codebase, making it easier to onboard, and understand complex code. Spot on code interaction with natural language prompts. New hires can be added easily from within the Mimrr web app, from user management under your organization's dashboard.
    Starting Price: $15 per month
  • 8
    WalkMe

    WalkMe

    WalkMe

    Empower users to keep pace with technology by enabling true digital adoption. WalkMe’s Digital Adoption Platform (DAP) makes it effortless to use any software, website, or app. Combined with proactive, step-by-step guidance, our comprehensive solution analyzes and automates processes so users can complete tasks easily in the moment of need.
  • 9
    Sonat

    Sonat

    Sonat

    Sonat is an online documentation tool that has been developed and constantly improved to help create product manuals, internal knowledge bases, software/SaaS help, articles, internal procedures and processes, tutorials, and even blog posts from A to Z. Sonat provides a powerful yet easy-to-use rich text editor where no technical skill is needed to do the writing job. Moreover, Sonat quality checkers make meeting readability and SEO standards super easy without needing a third-party application and reduce the pressure on the editors.
    Starting Price: $40/month
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