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Fastly empowers everyone to build the good internet together.

With features ranging from DDoS and bot protection to caching and edge computing, we help make apps, websites, and connected devices faster, safer, and more engaging. We power GitHub Pages, the Linux Foundation, downloads of cURL, registries like RubyGems and PyPi, public CDNs like JSDelivr, and much more. We're BFFs with your refrigerator and your favorite news site.

At Fastly, open source is a part of our heritage, essential to our operations, and central to our future. Our core technologies are built on open-source code, and we use and contribute to the software and open internet standards that make the modern internet.

➡️ Learn more about our open source projects
➡️ Read our code of conduct and business policies

Fast Forward

To nurture and support those who share our vision of an open internet that is fast and secure for all, we extend free and deeply discounted services to eligible open source projects and the nonprofits that support them: Kubernetes, Mastodon, Rust, and over 100 more.

➡️ Read about Fast Forward and apply for our support

Popular repositories Loading

  1. pushpin pushpin Public

    A proxy server for adding push to your API, used at the core of Fastly's Fanout service

    Rust 3.7k 154

  2. ftw ftw Public archive

    Framework for Testing WAFs (FTW!)

    Python 266 59

  3. js-compute-runtime js-compute-runtime Public

    JavaScript SDK and runtime for building Fastly Compute applications

    JavaScript 204 34

  4. go-fastly go-fastly Public

    A Fastly API client for Go

    Go 157 131

  5. fastly-magento2 fastly-magento2 Public

    Module for integrating Fastly CDN with Magento 2 installations

    PHP 153 123

  6. Viceroy Viceroy Public

    Viceroy provides local testing for developers working with Compute.

    Rust 149 38

Repositories

Showing 10 of 259 repositories
  • terraform-provider-fastly Public

    Terraform Fastly provider

    fastly/terraform-provider-fastly’s past year of commit activity
    Go 123 MPL-2.0 143 34 (2 issues need help) 3 Updated Apr 24, 2025
  • rezolus Public Forked from iopsystems/rezolus

    (repo fork) Systems performance telemetry

    fastly/rezolus’s past year of commit activity
    C 0 10 0 0 Updated Apr 24, 2025
  • pubsub Public

    Pub/sub at the edge

    fastly/pubsub’s past year of commit activity
    Rust 8 MIT 1 0 1 Updated Apr 24, 2025
  • go-fastly Public

    A Fastly API client for Go

    fastly/go-fastly’s past year of commit activity
    Go 157 Apache-2.0 131 0 5 Updated Apr 24, 2025
  • remix-compute-js Public

    Remix for Fastly Compute JavaScript

    fastly/remix-compute-js’s past year of commit activity
    TypeScript 23 MIT 2 2 3 Updated Apr 24, 2025
  • Viceroy Public

    Viceroy provides local testing for developers working with Compute.

    fastly/Viceroy’s past year of commit activity
    Rust 149 Apache-2.0 38 55 (3 issues need help) 7 Updated Apr 24, 2025
  • compute-js-static-publish Public

    Static Publisher for Fastly Compute JavaScript

    fastly/compute-js-static-publish’s past year of commit activity
    TypeScript 28 MIT 6 4 2 Updated Apr 24, 2025
  • security-use-cases Public

    Placeholder for security related use cases and demos

    fastly/security-use-cases’s past year of commit activity
    HCL 12 Apache-2.0 1 0 0 Updated Apr 23, 2025
  • pushpin Public

    A proxy server for adding push to your API, used at the core of Fastly's Fanout service

    fastly/pushpin’s past year of commit activity
    Rust 3,736 Apache-2.0 154 21 0 Updated Apr 22, 2025
  • waf-simulator-automation Public

    Example of automating waf tests with Fastly's waf simulator

    fastly/waf-simulator-automation’s past year of commit activity
    Go 4 MIT 1 0 0 Updated Apr 16, 2025