Webiny is an open-source platform that enables developers to build and manage serverless applications. It is designed specifically for the serverless environment and offers a range of features including a drag-and-drop page builder, headless CMS, and serverless application framework. Webiny is built on technologies like Node.js and GraphQL and utilizes the AWS cloud to ensure scalability and efficiency. This platform is suitable for developers looking to leverage serverless architecture to reduce infrastructure costs and improve deployment speeds.