AWS Lambda is described as 'Compute service that runs your code in response to events and automatically manages the underlying compute resources for you' and is a Cloud Computing service in the development category. There are more than 10 alternatives to AWS Lambda for a variety of platforms, including Web-based, SaaS, Self-Hosted, Mac and Windows apps. The best AWS Lambda alternative is Heroku. It's not free, so if you're looking for a free alternative, you could try Vercel or Google App Engine. Other great apps like AWS Lambda are Linode, PythonAnywhere, Radius and Google Cloud Functions.