github

A collection of useful .gitignore templates

💫 Toolkit to help you get started with SDD or any other process!

Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot.

The open-source repo for docs.github.com

Multi-platform SDK for integrating GitHub Copilot Agent into apps and services

:microscope: A Ruby library for carefully refactoring critical paths.

AI coding assistant for Xcode

Determines which markup library to use to render a content file (e.g. README) on GitHub

GitHub Agentic Workflows

Community-curated topic and collection pages on GitHub

Emoji images and names.

Web component extensions to the standard <time> element.

Manages application of security headers with many safe defaults

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

A simple Ruby Gem to bootstrap dependencies for setting up and maintaining a local Jekyll environment in sync with GitHub Pages

GitHub Stacked PRs

Actions for running CodeQL analysis

A collection of Ruby libraries for working with SQL on top of ActiveRecord's connection

Code style checking for GitHub's Ruby projects

Migration CLI for GitHub to GitHub migrations

The Ruby Gem that Powers Entitlements - GitHub's Identity and Access Management System

Markdown formatting buttons for text inputs.

Auto-complete input values from server search results.

An accessible tab container element with keyboard support.

Finds potential accessibility gaps, files GitHub issues to track them, and attempts to fix them with Copilot.

Paste spreadsheet cells as a Markdown table.

Activates a suggestion menu to expand text snippets as you type.

An input element that validates its value with a server endpoint.

GitHub Agentic Workflows MCP Gateway

GitHub Agentic Workflows Firewall

Checks your GitHub Pages site for common DNS configuration issues

Backports native emoji characters to browsers that don't support them by replacing the characters with fallback images.

Runs Dependabot Updates via GitHub Actions.

Attach files via drag and drop or file input.

Fast sorting of version numbers

Autosizes textarea to size of it's contents.

An action to remind users to add alt text on Issues, Pull Requests, and Discussions

An opinionated collection of markdownlint rules used by GitHub.

Interactive prototyping tools for your team.