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AI & ML
- AI & ML
  Learn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry.
  - Generative AI
    Learn how to build with generative AI.
  - GitHub Copilot
    Change how you work with GitHub Copilot.
  - LLMs
    Everything developers need to know about LLMs.
  - Machine learning
    Machine learning tips, tricks, and best practices.
- How AI code generation works
  Explore the capabilities and benefits of AI code generation and how it can improve your developer experience.
  Learn more
Developer skills
- Developer skills
  Resources for developers to grow in their skills and careers.
  - Application development
    Insights and best practices for building apps.
  - Career growth
    Tips & tricks to grow as a professional developer.
  - GitHub
    Improve how you use GitHub at work.
  - GitHub Education
    Learn how to move into your first professional role.
  - Programming languages & frameworks
    Stay current on what’s new (or new again).
- Get started with GitHub documentation
  Learn how to start building, shipping, and maintaining software with GitHub.
  Learn more
Engineering
- Engineering
  Get an inside look at how we’re building the home for all developers.
  - Architecture & optimization
    Discover how we deliver a performant and highly available experience across the GitHub platform.
  - Engineering principles
    Explore best practices for building software at scale with a majority remote team.
  - Infrastructure
    Get a glimpse at the technology underlying the world’s leading AI-powered developer platform.
  - Platform security
    Learn how we build security into everything we do across the developer lifecycle.
  - User experience
    Find out what goes into making GitHub the home for all developers.
- How we use GitHub to be more productive, collaborative, and secure
  Our engineering and security teams do some incredible work. Let’s take a look at how we use GitHub to be more productive, build collaboratively, and shift security left.
  Learn more
Enterprise software
- Enterprise software
  Explore how to write, build, and deploy enterprise software at scale.
  - Automation
    Automating your way to faster and more secure ships.
  - CI/CD
    Guides on continuous integration and delivery.
  - Collaboration
    Tips, tools, and tricks to improve developer collaboration.
  - DevOps
    DevOps resources for enterprise engineering teams.
  - DevSecOps
    How to integrate security into the SDLC.
  - Governance & compliance
    Ensuring your builds stay clean.
- How enterprise engineering teams can successfully adopt AI
  Learn how to bring AI to your engineering teams and maximize the value that you get from it.
  Learn more
News & insights
- News & insights
  Keep up with what’s new and notable from inside GitHub.
  - Company news
    An inside look at news and product updates from GitHub.
  - Product
    The latest on GitHub’s platform, products, and tools.
  - Octoverse
    Insights into the state of open source on GitHub.
  - Policy
    The latest policy and regulatory changes in software.
  - Research
    Data-driven insights around the developer ecosystem.
  - The library
    Older news and updates from GitHub.
- Unlocking the power of unstructured data with RAG
  Learn how to use retrieval-augmented generation (RAG) to capture more insights.
  Learn more
Open Source
- Open Source
  Everything open source on GitHub.
  - Git
    The latest Git updates.
  - Maintainers
    Spotlighting open source maintainers.
  - Social impact
    How open source is driving positive change.
  - Gaming
    Explore open source games on GitHub.
- An introduction to innersource
  Organizations worldwide are incorporating open source methodologies into the way they build and ship their own software.
  Learn more
Security
- Security
  Stay up to date on everything security.
  - Application security
    Application security, explained.
  - Supply chain security
    Demystifying supply chain security.
  - Vulnerability research
    Updates from the GitHub Security Lab.
  - Web application security
    Helpful tips on securing web applications.
- The enterprise guide to AI-powered DevSecOps
  Learn about core challenges in DevSecOps, and how you can start addressing them with AI and automation.
  Learn more

Architecture & optimization

The GitHub Ruby on Rails monolith is big: nearly two million lines of code and more than 1,000 engineers collaborating on it, to the tune of around 20 deployments every day. Follow along to see how we build and continually improve the tools you use every day.

Featured

GitHub Issues search now supports nested queries and boolean operators: Here’s how we (re)built it

Plus, considerations in updating one of GitHub’s oldest and most heavily used features.

Introducing sub-issues: Enhancing issue management on GitHub

Explore the iterative development journey of GitHub’s sub-issues feature. Learn how we leveraged sub-issues to build and refine sub-issues, breaking down larger tasks into smaller, manageable ones.

Breaking down CPU speed: How utilization impacts performance

The Performance Engineering team at GitHub assessed how CPU performance degrades as utilization increases and how this relates to capacity.

How we improved push processing on GitHub

Pushing code to GitHub is one of the most fundamental interactions that developers have with GitHub every day. Read how we have significantly improved the ability of our monolith to correctly and fully process pushes from our users.

Latest

How we organize and get things done with SERVICEOWNERS

Take CODEOWNERS and GitHub teams to the next level. Learn about how GitHub engineering solves the age old problem of who owns what.

Measuring Git performance with OpenTelemetry

Use our new open source Trace2 receiver component and OpenTelemetry to capture and visualize telemetry from your Git commands.

Optimize your GitHub Codespaces costs with upgraded virtual machines

See how much more you can get out of GitHub Codespaces by taking advantage of the improved processing power and increased headroom in the next generation of virtual machines.

How we build containerized services at GitHub using GitHub

Learn about how we build containerized services that power microservices on the GitHub.com platform and many internal tools.

Crafting a better, faster code view

The new GitHub Code View brings users many new features to improve the code reading and exploration experiences, and we overcame a number of unique technical hurdles in order to deliver those features without compromising performance.

Building GitHub with Ruby and Rails

Since the beginning, GitHub.com has been a Ruby on Rails monolith. Today, the application is nearly two million lines of code and more than 1,000 engineers collaborate on it daily.…

How GitHub Docs’ new search works

GitHub Docs recently changed its site-search to Elasticsearch. Here’s how it was implemented.

The technology behind GitHub’s new code search

A look at what went into building the world’s largest public code search index.

How we tripled max concurrent jobs to boost performance of GitHub Actions

The GitHub Actions team has done lots of work to improve the performance and resource consumption of Actions on GHES in the past year.

Scaling Git’s garbage collection

A tour of recent work to re-engineer Git’s garbage collection process to scale to our largest and most active repositories.

How we’re using projects to build projects

At GitHub we use GitHub to build our own products, and the new projects experience is no different. Check out how our team uses projects to build powerful project planning for developers.