Kubeless is described as 'Kubernetes-native serverless framework that lets you deploy small bits of code (functions) without having to worry about the underlying infrastructure. It is designed to be deployed on top of a Kubernetes cluster and take advantage of all the great Kubernetes' and is an app. There are more than 25 alternatives to Kubeless for a variety of platforms, including Linux, Self-Hosted, Mac, Windows and Web-based apps. The best Kubeless alternative is Kubernetes, which is both free and Open Source. Other great apps like Kubeless are Heroku, CapRover, Rancher and Dokku.