LocalStack | 25,866 followers on LinkedIn. Run your cloud & serverless apps locally to reduce development time and increase product velocity with LocalStack! | At LocalStack, we provide the #1 platform for local cloud development & testing, offering the most advanced cloud emulation for AWS services. Our aim is to assist individual cloud developers and enterprises in becoming solution nimble, optimizing costs, reducing contention, and delivering resilient and secure value to their customers. LocalStack is ideal for designing and testing highly resilient and secure solutions on your local machine before live deployment.