Dokku vs Ninefold: What are the differences?
What is Dokku? Docker powered mini-Heroku in around 100 lines of Bash. Docker powered mini-Heroku. The smallest PaaS implementation you've ever seen.
What is Ninefold? High Performance Australian Cloud Servers. Ninefold.com specialises in high performance, self managed, cloud based virtual servers for the Australian market including the Australian Federal Govt.
Dokku and Ninefold can be primarily classified as "Platform as a Service" tools.
"Simple" is the primary reason why developers consider Dokku over the competitors, whereas "High performance" was stated as the key factor in picking Ninefold.
Dokku is an open source tool with 17.7K GitHub stars and 1.44K GitHub forks. Here's a link to Dokku's open source repository on GitHub.