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What is GitHub?
GitHub is a website where people store, share, and work together on code and other project files.
- Category GitHub & code
- Updated 20 Oct 2026
GitHub, explained simply
GitHub is built on Git, a tool that tracks changes to files. Each project lives in a space called a repo.
Most free and open-source tools you hear about are shared there. You can read the code and download it.
You can also report problems, suggest fixes, and save projects you like with a star.
You don't need an account just to look around public projects.
On ITG Now, our weekly and monthly top lists and tool guides point to free tools hosted on GitHub, with plain steps to start.
Related terms
RepoGitGitHub starsGitHub TrendingOpen sourceFork
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Questions people ask about GitHub
Is GitHub free?
GitHub has a free plan that covers public projects and many private ones. Paid plans add extra features.
GitHub vs Git: what is the difference?
Git is the tool that tracks changes. GitHub is a website built around Git.
Do I need a GitHub account to download a tool?
Usually not for public projects. You can download them without signing in.