Best Free Software Documentation Tools

Visual Studio Code (VS Code) is Microsoft’s open-source AI code editor designed to make coding faster, smarter, and more collaborative. It supports thousands of extensions and nearly every programming language, offering developers a lightweight yet powerful environment for writing, testing, and debugging code. With AI-powered features like GitHub Copilot, Next Edit Suggestions, and Agent Mode, VS Code helps you code with precision, automate complex tasks, and streamline development workflows. It integrates seamlessly with cloud services, remote repositories, and tools like Git, Docker, and Azure. The editor is fully customizable, allowing you to personalize your layout, color themes, and keyboard shortcuts. Whether coding locally or in the browser, VS Code delivers a complete development experience for individuals and teams alike.

A blazing fast markdown editor in the cloud. Built by technical writers to improve the UX of our daily content workflow and remove the complexity of actually writing. Same-page authoring and team draft links. Designed from the ground up to improve the collaboration between writers, developers and the entire organization. Maintain your content in a dedicated repository with powerful search and tagging plus the security of full version control. Freedom from duplicate files or ambiguous version names. Modular content publishing allows you to choose your flavour of topic-based authoring and single sourcing to maximize content re-use. No more dead-end wikis. Your internal documentation has never been more discoverable or dynamic. Company-wide private documentation or role-specific guides for new hires or reporting in just a few clicks. Unlimited documentation hosting with the option of custom domain, integrated publishing to external services or self-hosting.