GitStar
GitHubOrganization

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

97%

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

TypeScript

Portfolio mix

TypeScript (12), Unknown (7), Go (4)

Average size

4K

Stars per repository

Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.

Updated: 2026-05-07(18d ago)GitHub API fallback30 repositories

Portfolio Shape

97%

of the visible star count comes from this organization's top three repositories.

Average Repository Size

4K

stars per repository in this same snapshot.

Current Mix

TypeScript

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 88% of its visible star count.

Flagship share 88%Breakout repo: spec-kit

Organization pages work best when you separate portfolio breadth from flagship concentration. In GitHub's case, the visible top three repositories account for about 97% 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 TypeScript (12), Unknown (7), 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.

Source: GitHub API fallback. This is the same cache-first snapshot used by the organization ranking list, so the summary view and the detail view should stay aligned.

Top Repositories

#RepositoryLanguage⭐ Stars
1github/spec-kit

💫 Toolkit to help you get started with Spec-Driven Development

Python106K
2github/copilot-sdk

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

Java8.7K
3github/copilot-cli-for-beginners

Learn how to get started using the GitHub Copilot CLI!

2.6K
4github/app

This is the home for releases and issues for the GitHub Copilot app

851
5github/gh-stack

GitHub Stacked PRs

Go422
6github/storybook-addon-performance-panel

A Storybook Addon for tracking web performance

TypeScript414
7github/annotation-toolkit

The GitHub Annotation Toolkit is a Figma asset library packed with components to help you organize your design canvas, diagram UI anatomy, and annotate accessibility details for web and mobile experiences.

307
8github/accessibility-scanner

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

TypeScript289
9github/GitHub-Copilot-Dev-Days

Repo for GitHub Copilot Dev Days content, global in-person series of events focused on GitHub Copilot.

282
10github/copilot-plugins

The official GitHub Copilot plugins collection — MCP servers, skills, hooks, and other extensibility tools for GitHub Copilot.

271
11github/gh-aw-mcpg

Github Agentic Workflows MCP Gateway

Go131
12github/gh-aw-firewall

GitHub Agentic Workflows Firewall

TypeScript79
13github/copilot-sdk-java

Copilot SDK for Java

Java64
14github/ai-adoption-playbook

GitHub's Playbook for Internal AI Adoption

59
15github/octocanvas

A web app that creates GitHub-themed collectibles from GitHub profiles

TypeScript39
16github/github-well-architected

Apply design thinking to build and ship your software securely and at scale with GitHub

TypeScript37
17github/cost-center-automation

Open source utilities for automating cost center administration

Python31
18github/gh-aw-actions

Shared Actions used with GitHub Agentic Workflows

JavaScript28
19github/copilot-billing-preview

An application for previewing and comparing your future GitHub Copilot bills as you transition to the new usage-based billing model.

TypeScript14
20github/rollup-and-away

Declarative template-based building blocks for generating Rollup reports, including AI summaries

TypeScript14
21github/copilot-engine-sdk

SDK for Copilot Agent Engines

TypeScript12
22github/node-keytarC++11
23github/deployment-tracker

K8s deployment tracker for artifact registry

Go11
24github/TUIKit

A spec-driven system for building TUI components across programming languages

TypeScript8
25github/copilot-release-notes

AI-powered release notes generation using Copilot CLI

TypeScript8
26github/gh-aw-threat-detection

GitHub Agentic Workflows Threat Detection

Go6
27github/copilot-sdk-server-sample

Sample of a multiuser system using GitHub Copilot SDK

TypeScript6
28github/cosmo

The open-source solution to building, maintaining, and collaborating on GraphQL Federation at Scale. The alternative to Apollo Studio and GraphOS.

TypeScript4
29github/mdbook-asciinema

An mdbook preprocessor for embedding asciinema terminal recordings in your book

CSS2
30github/copilot-advanced-security-plugin

The official GitHub Copilot Advanced Security plugin

1

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.