GitBook – Build beautiful programming books using GitHub and Markdown
GitBook is a knowledge platform that connects your docs, product and users, answers user questions, and identifies knowledge gaps. Docs-as-code support & AI insights included.
GitBook – Build beautiful programming books using GitHub and Markdown launched on April 3, 2014 with 442 votes, #2 of 1,174 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 12 years on.
In plain words
GitBook is a platform that enables developers to create and publish programming books using GitHub repositories and Markdown formatting. It combines version control with documentation publishing, allowing technical authors to write content in Markdown, manage it through GitHub, and automatically generate formatted books. The tool is designed for software developers, technical writers, and teams who need to create professional programming documentation and educational materials without complex publishing workflows.
written from the facts on this page · September 2026
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