2025-04-11
Learn about recent developments in Certificate Transparency (CT), and how we built a next-generation CT log on top of Cloudflare's Developer Platform....
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2025-04-08
You can now add a Deploy to Cloudflare button to your repository’s README when building a Workers application, making it simple for other developers to set up and deploy your project! ...
2025-03-25
OPKSSH (OpenPubkey SSH) is now open-sourced as part of the OpenPubkey project....
2025-01-08
At Cloudflare, we treat developer content like an open source product. This collaborative approach enables global contributions to enhance quality and relevance for a wide range of users. This year,...
2024-10-22
Cloudflare’s global fleet benefits from being managed by open source firmware for the Baseboard Management Controller (BMC), OpenBMC. This has come with various challenges, some of which we discuss here with an explanation of how the open source nature of the firmware for the BMC enabled us to fix the issues and maintain a more stable fleet....
September 27, 2024 1:00 PM
At Cloudflare, we believe in the power of open source. With Project Alexandria, our expanded open source program, we’re helping open source projects have a sustainable and scalable future, providing them with the tools and protection needed to thrive....
September 10, 2024 2:00 PM
Pingora handles 35M+ requests per second, so saving a few microseconds per request can translate to thousands of dollars saved on computing costs. In this post, we share how we freed up over 500 CPU cores by optimizing one function and announce trie-hard, the open source crate th...
August 22, 2024 2:00 PM
We’re excited to announce wildcard support across our Ruleset Engine-based products and our open-source wildcard crate in Rust. Configuring rules has never been easier, with powerful pattern matching enabling simple and flexible URL redirects and beyond for users on all plans....
July 23, 2024 3:15 PM
Cloudflare is excited to be a launch partner with Meta to introduce Workers AI support for Llama 3.1...
June 27, 2024 5:00 PM
Introducing a new way to do function calling in Workers AI by running function code alongside your inference. Plus, a new @cloudflare/ai-utils package to make getting started as simple as possible...
May 22, 2024 1:00 PM
AI Gateway is an AI ops platform that provides speed, reliability, and observability for your AI applications. With a single line of code, you can unlock powerful features including rate limiting, custom caching, real-time logs, and aggregated analytics across multiple providers...
February 28, 2024 3:00 PM
Pingora, our framework for building programmable and memory-safe network services, is now open source. Get started using Pingora today...
February 06, 2024 8:00 PM
Workers AI is now bigger and better with 8 new models and improved model performance...
January 24, 2024 2:00 PM
Foundations is a foundational Rust library, designed to help scale programs for distributed, production-grade systems...
October 26, 2023 1:20 PM
As a follow-up to the most recent Okta breach, we are making a HAR file sanitizer available to everyone, not just Cloudflare customers, at no cost....
May 12, 2023 1:00 PM
In this blog post, we explain and open source the counting algorithm that powers Pingora. This will be the first of a series of blog posts that share both the Pingora libraries and the ideas behind them...
March 03, 2023 2:00 PM
Here at Cloudflare we run over 900 instances of Prometheus with a total of around 4.9 billion time series. Operating such a large Prometheus deployment doesn’t come without challenges . In this blog post we’ll cover some of the issues we hit and how we solved them...
September 27, 2022 1:01 PM
workerd is the JavaScript/Wasm runtime code that powers Cloudflare Workers, now open source under the Apache 2.0 license...
August 26, 2022 2:30 PM
We are releasing our internal fork of PgBouncer, filled with authentication bug fixes and new features around per user and connection pool isolation...
August 03, 2022 1:00 PM
This is how Managed Components can be useful for you right now, if you manage a website or if you’re building third-party tools...