GitHub
@github • How people build software.. Use this route to separate flagship concentration from portfolio breadth before you treat a publisher as broadly strong.
Portfolio concentration
88%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
30 repos
Visible snapshot
27 repositories updated in the last 90 days.
Leading language
Unknown
Portfolio mix
Unknown (10), TypeScript (9), Go (4)
Average size
558
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
Updated: 2026-07-29(5h ago)GitHub API fallback30 repositories
88%
of the visible star count comes from this organization's top three repositories.
558
stars per repository in this same snapshot.
Unknown
is the most common language here, with 27 repositories updated in the last 90 days.
Why this rank
This organization stands out because one flagship repo drives 60% of its visible star count.
Flagship share 60%Breakout repo: copilot-sdk
Organization pages work best when you separate portfolio breadth from flagship concentration. In GitHub's case, the visible top three repositories account for about 88% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is Unknown (10), TypeScript (9), Go (4). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | Stars | 🍴 Forks | Updated |
|---|---|---|---|---|---|
| 1 | github/copilot-sdk Multi-platform SDK for integrating GitHub Copilot Agent into apps and services | Java | 10.1K | 1.4K | Today |
| 2 | github/copilot-cli-for-beginners Learn how to get started using the GitHub Copilot CLI! | 2.8K | 2.4K | Today | |
| 3 | github/app The GitHub Copilot app is an agent-native desktop experience for finding, running, steering, and landing software work across your GitHub repositories. | 2K | 119 | Yesterday | |
| 4 | github/gh-stack GitHub Stacked PRs | Go | 583 | 28 | Today |
| 5 | github/storybook-addon-performance-panel A Storybook Addon for tracking web performance | TypeScript | 418 | 13 | Today |
| 6 | github/copilot-plugins The official GitHub Copilot plugins collection — MCP servers, skills, hooks, and other extensibility tools for GitHub Copilot. | 334 | 90 | Yesterday | |
| 7 | github/GitHub-Copilot-Dev-Days Repo for GitHub Copilot Dev Days content, global in-person series of events focused on GitHub Copilot. | 323 | 70 | 3 months ago | |
| 8 | github/copilot-sdk-java Copilot SDK for Java | CSS | 65 | 8 | 1 weeks ago |
| 9 | github/gh-aw-actions Shared Actions used with GitHub Agentic Workflows | JavaScript | 40 | 14 | Today |
| 10 | github/copilot-billing-preview An application for previewing and comparing your future GitHub Copilot bills as you transition to the new usage-based billing model. | TypeScript | 30 | 46 | 2 days ago |
| 11 | github/copilot-engine-sdk SDK for Copilot Agent Engines | TypeScript | 20 | 2 | Yesterday |
| 12 | github/TUIKit A spec-driven system for building TUI components across programming languages | TypeScript | 18 | 6 | 6 days ago |
| 13 | github/multilingual-repositories A repository-level metadata dataset intended to help researchers find GitHub repositories with evidence of non-English natural-language content | 17 | 1 | 1 months ago | |
| 14 | github/copilot-sdk-server-sample Sample of a multiuser system using GitHub Copilot SDK | TypeScript | 17 | 3 | 3 weeks ago |
| 15 | github/copilot-advanced-security-plugin The official GitHub Copilot Advanced Security plugin | 14 | 4 | 2 months ago | |
| 16 | github/copilot-release-notes AI-powered release notes generation using Copilot CLI | TypeScript | 14 | 2 | 2 weeks ago |
| 17 | github/node-keytar | C++ | 14 | 4 | 2 months ago |
| 18 | github/rollup-and-away Declarative template-based building blocks for generating Rollup reports, including AI summaries | TypeScript | 13 | 3 | 5 months ago |
| 19 | github/gh-actions-lock A gh CLI extension that generates and verifies the GitHub Actions dependency lockfile, pinning every action your workflows use to an exact commit. | Go | 11 | 1 | Today |
| 20 | github/gh-aw-threat-detection GitHub Agentic Workflows Threat Detection | Go | 10 | 3 | Today |
| 21 | github/agentfinder-catalog | 5 | 8 | 2 days ago | |
| 22 | github/cosmo The open-source solution to building, maintaining, and collaborating on GraphQL Federation at Scale. The alternative to Apollo Studio and GraphOS. | TypeScript | 5 | 3 | 1 months ago |
| 23 | github/java-codespaces Template for new Codespaces-enabled repos for Java projects | Java | 5 | 2 | 1 weeks ago |
| 24 | github/accessibility-scanner-alt-text-plugin A plugin for the GitHub Accessibility Scanner that flags low-quality alt text on images. | TypeScript | 4 | 3 | Today |
| 25 | github/gh-gl2gh Migration CLI for GitLab to GitHub migrations | 4 | 1 | 2 weeks ago | |
| 26 | github/mdbook-asciinema An mdbook preprocessor for embedding asciinema terminal recordings in your book | CSS | 3 | 1 | 3 months ago |
| 27 | github/spec-kit-copilot GitHub Copilot CLI skills plugin that exposes the Spec Kit `specify` CLI to the Copilot agent. | 2 | 1 | 6 days ago | |
| 28 | github/gh-aw-harness Agent harness for Agentic Workflows | Makefile | 2 | 2 | 2 months ago |
| 29 | github/actions-lockfile The authoritative definition of the GitHub Actions dependency lockfile format, plus a Go parser for auditing and verifying the action pins in use across a repo's workflows. | Go | 1 | 0 | 2 days ago |
| 30 | github/computer-use-plugin | 0 | 0 | Today |
Next step after the organization read
Open a flagship repository, compare a couple of portfolio leaders, or return to the organization map when you want a broader concentration read.
Learn and methodology
Keep trust-building context reachable, but behind the first data read instead of ahead of it.
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.