tsuru - Tsuru is an extensible and open source Platform as a Service software.
Kubeless - Kubernetes native serverless framework
CapRover - Build your own PaaS in a few minutes!
Gitkube - Build and deploy docker images to Kubernetes using git push.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Supergiant.io - A datacenter management system built on Kubernetes