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LocalEmu Lets Developers Test AWS Services Locally Without Cloud Costs

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LocalEmu is a newly released open-source emulator that allows developers to build and test against AWS APIs entirely on their local machines. It supports 132 AWS services and is compatible with widely used tools such as AWS CLI, boto3, Terraform, AWS CDK, and Pulumi, requiring no changes to existing workflows. Unlike basic API mocks, LocalEmu aims for realistic behavior — running Lambda functions via official AWS runtime images, EC2 instances as real containers, and RDS on actual PostgreSQL and MySQL engines. The tool also ships with a built-in dashboard offering live service monitoring, resource browsing, and a real-time activity feed. Developers can install it with a single pip command and use it without an AWS account, credentials, or incurring any cloud charges during local testing.

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