AWS Lambda - Automatic, event-driven compute service
Webscript.io - Webscript.io is a website that hosts LUA scripts that you can invoke from the web.
Serverless - Toolkit for building serverless applications
Azure Functions - Azure Functions is a serverless event driven experience that extends the existing Azure App Service platform.
Vercel - Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration.
Syncano - a highly flexible real-time backend as a service.