# GitHub

> Wiki for GitHub — the developer platform: repositories & Git workflow, pull requests, Issues & Projects, GitHub Actions (CI/CD), REST & GraphQL APIs, the gh CLI, Pages, Packages, Codespaces, authentication, code security, and webhooks.
> Covers: GitHub.com developer features: repositories/branches/merging, pull requests, Issues & Projects, GitHub Actions and runners, REST & GraphQL APIs, GitHub CLI, Pages, Packages, Codespaces, authentication (SSH/2FA/passkeys/PATs), code security (code scanning/CodeQL/Dependabot/secret scanning), and webhooks.
> Not covered: Enterprise/admin, billing, GitHub Copilot, education, and sponsors; the exhaustive REST endpoint and Actions YAML reference (look up live); changes after the date below.
> Current as of: 2026-06-19

- [LLM Wiki](/raw/github/README.md)
- [Knowledge Base Index](/raw/github/wiki/index.md)
- [Actions Runners & Workflow Security](/raw/github/wiki/concepts/actions-runners.md)
- [Authentication & Account Security](/raw/github/wiki/concepts/authentication.md)
- [Branches, Protection & Merging](/raw/github/wiki/concepts/branches-and-merging.md)
- [Code Security: Scanning, Dependabot, Secrets](/raw/github/wiki/concepts/code-security.md)
- [Codespaces](/raw/github/wiki/concepts/codespaces.md)
- [GitHub Actions (CI/CD)](/raw/github/wiki/concepts/github-actions.md)
- [GitHub CLI (gh)](/raw/github/wiki/concepts/github-cli.md)
- [GitHub Packages](/raw/github/wiki/concepts/github-packages.md)
- [GitHub Pages](/raw/github/wiki/concepts/github-pages.md)
- [GraphQL API](/raw/github/wiki/concepts/graphql-api.md)
- [Issues & Projects](/raw/github/wiki/concepts/issues-and-projects.md)
- [Pull Requests](/raw/github/wiki/concepts/pull-requests.md)
- [Repositories & Git Workflow](/raw/github/wiki/concepts/repositories-and-git.md)
- [REST API](/raw/github/wiki/concepts/rest-api.md)
- [Webhooks](/raw/github/wiki/concepts/webhooks.md)
- [What is GitHub](/raw/github/wiki/concepts/what-is-github.md)
- [Activity Log](/raw/github/wiki/log.md)
- [Docs Catalog](/raw/github/wiki/summaries/docs-catalog.md)
- [End-to-End: From Commit to Deploy](/raw/github/wiki/syntheses/ci-cd-pipeline.md)