AWS Open Source Blog
Category: Open Source
Introducing AWS CDK Community Meetings
We are excited to announce our new community meetings series for the AWS Cloud Development Kit (CDK) project. These meetings are designed to give everyone from seasoned contributors to new users a recurring opportunity to learn, ask questions, and share feedback directly with the AWS CDK team. We also see this as a great opportunity […]
Secure your Express application APIs in 5 minutes with Cedar
Today, the open source Cedar project announced the release of authorization-for-expressjs, an open source package that simplifies using the Cedar policy language and authorization engine to verify application permissions. This release allows developers to add policy-based authorization to their Express web framework APIs within minutes, and without any remote service calls. Express is a minimal […]
Introducing Cedar Analysis: Open Source Tools for Verifying Authorization Policies
Today, we’re excited to announce Cedar Analysis, a new open source toolkit for developers that makes it easier for everyone to verify the behavior of their Cedar policies. Cedar is an open source authorization system that enables developers to implement fine-grained access controls in their applications. With ~1.17 million downloads and growing adoption, Cedar is […]
Using Strands Agents with Claude 4 Interleaved Thinking
When we introduced the Strands Agents SDK, our goal was to make agentic development simple and flexible by embracing a model-driven approach. Today, we’re excited to highlight how you can use Claude 4’s interleaved thinking beta feature with Strands to further simplify how you write AI agents to solve complex tasks with tools. With a […]
GNOME has a new infrastructure partner: welcome AWS!
This post was contributed by Andrea Veri from the GNOME Foundation. It has been cross-posted from gnome.org with permission. GNOME has historically hosted its infrastructure on premises. That changed with an AWS Open Source Credits program sponsorship which has allowed our team of two SREs to migrate the majority of the workloads to the cloud […]
Open Protocols for Agent Interoperability Part 1: Inter-Agent Communication on MCP
At AWS, open standards run deep in our DNA, driving all that we do. That’s why we decided to build Amazon Elastic Cloud Compute (EC2) as a protocol-agnostic cloud computing service and Amazon SageMaker as a framework-agnostic deep learning service. Our commitment to openness continues as we enter the agentic AI era, extending to inter-agent […]
Introducing Strands Agents, an Open Source AI Agents SDK
Today I am happy to announce we are releasing Strands Agents. Strands Agents is an open source SDK that takes a model-driven approach to building and running AI agents in just a few lines of code. Strands scales from simple to complex agent use cases, and from local development to deployment in production. Multiple teams […]
Modernizing Snowflake Corporate’s Kubernetes Infrastructure with Bottlerocket and Karpenter
Snowflake Corporate IT Cloud Operations reached a critical juncture in its cloud infrastructure evolution. Managing large-scale containerized workloads on Amazon Elastic Kubernetes Service (Amazon EKS) demanded a modern, secure, and efficient operating system. The existing setup, running on Amazon Linux 2 (AL2), was functional but presented several challenges. Security hardening required frequent updates and patching, […]
Video Encoding on Graviton in 2025
In 2022, we published a post describing the advantages of running video encoding workloads on AWS Graviton processors. Since that time, AWS launched Graviton4 powered C8g instances which offer up to 30% better performance than Graviton3. On video encoding workloads, Graviton4 performs 12-15% better than Graviton3, depending on the encoder, as shown in the following […]
AWS Cloud Credits for Open Source Projects: Affirming Our Commitment
Today, Amazon Web Services is proud to reaffirm our commitment to providing vital infrastructure for free and open source software projects. One of the ways we are doing this is with an extended $3 million annual commitment to the Kubernetes project, the container orchestration platform which underpins the Amazon Elastic Kubernetes Service (Amazon EKS). We’re […]