Alternativas ao Grunt para Software as a Service (SaaS) com licença comercial

• Software as a Service (SaaS)
  Todas as plataformas Windows Mac Linux Web Self-Hosted Software as a Service (SaaS) JavaScript BSD Electron / Atom Shell Chrome Socket.io Node.JS npm Apache Cordova WebRTC JSON Dart
• Licença comercial
  Qualquer licença Licença gratuita Licença Open Source Licença comercial