A cloud development platform is a set of tools and services that allow developers to create and deploy applications in the cloud. These platforms provide a variety of features, including:

• Infrastructure as a Service (IaaS): This includes services such as virtual machines, storage, and networking that allow developers to build and run applications in the cloud.
• Platform as a Service (PaaS): This includes services such as databases, messaging systems, and container orchestration that allow developers to build and deploy applications without having to worry about the underlying infrastructure.
• Development tools: This includes tools such as integrated development environments (IDEs), code editors, and debugging tools that allow developers to write and test their code.
• Deployment and scaling: This includes services such as load balancers, auto-scaling, and continuous integration/continuous deployment (CI/CD) pipelines that allow developers to deploy and scale their applications in the cloud.

Some popular cloud development platforms include AWS Cloud9, Azure DevOps, and Google Cloud Platform. These platforms offer a wide range of tools and services for building and deploying applications in the cloud, and often include support for multiple programming languages, frameworks, and platforms.