A curated public hub of GitHub and GitHub Copilot resources for Constellation Software Inc. (CSI) portfolio companies — maintained by the GitHub @ CSI team at Microsoft.
| 🚚 Migrate | 🤖 Adopt | 📈 Scale |
|---|---|---|
| Move to GitHub from Bitbucket / Azure DevOps / GitLab / SVN → GitHub Migrations | Level up your team with agentic workflows → Agentic Workflows | Run GitHub & Copilot across your portco at scale → Governance & Architecture |
💡 CSI portcos: use your large CSI discount on GitHub Enterprise and GitHub Copilot when billed via your portfolio's (or CSI's) Azure subscription — not a credit card. → How to claim the discount
The GitHub & Microsoft @ CSI team's bi-weekly event series brings engineers across the portfolio together for hands-on sessions, workshops, office hours, and product-team Q&A.
Register for upcoming tracks and watch previous sessions →
CSI portcos move to GitHub from Bitbucket Server / Cloud, Azure DevOps Repos, GitLab, and Subversion.
📧 Planning a migration? Email DevsAtCSI@microsoft.com first. We'll match you with the right tooling, runbook, and (if needed) migration partner — instead of you piecing it together from docs alone.
For self-serve reading:
- GitHub Enterprise migration overview — docs.github.com/migrations
- Migration paths to GitHub Enterprise Cloud — docs.github.com
For teams maturing beyond interactive Copilot into automated, agent-driven development:
- GitHub Agentic Workflows (gh-aw) — Author agentic workflows as natural-language Markdown that run as automation in GitHub Actions. Bring your own agent access — you can use your existing Claude Code, Codex, and Cursor keys with it. github.github.com/gh-aw
CSI portfolio companies can receive a large discount on GitHub Enterprise and GitHub Copilot when billing is connected to an eligible CSI Azure subscription. Credit-card billing is not eligible.
Review eligibility, activation, and discount verification →
Prepare for Copilot usage-based billing with a practical five-step rollout plan, budget guidance, model-selection recommendations, and curated official resources.
Open the CSI usage-based billing playbook →
For portcos running GitHub at scale across many orgs and operating groups:
- GitHub Well-Architected Framework — Reference architecture for GitHub & Copilot. wellarchitected.github.com
- Multiple orgs under one enterprise — Patterns for portco-per-org topologies. docs.github.com
- Enterprise Managed Users (EMU) — Identity-managed access & provisioning. docs.github.com
- Email us — DevsAtCSI@microsoft.com
- Open an issue to suggest a resource, report a broken link, or request a topic — see issue templates and CONTRIBUTING.md.
- Through your Microsoft account team — they can route you to the GitHub @ CSI team directly.
Suggestions, broken-link reports, and improvements welcome — see CONTRIBUTING.md. By participating, you agree to the Microsoft Open Source Code of Conduct.