Try out an OER course from School of Open (P2PU - Peer 2 Peer University):

• How to Use Open Educational Resources (Public Edition) 
  "The purpose of this course is to provide information and experience in using open educational resources (OER) in your teaching practice. We will discuss the concept of OER and open licenses. We will also provide plenty of practice in locating and sharing open educational resources. This is a 2-week online, asynchronous course and participants are expected to spend 10 hours to complete the course. "

Dive in and create your own open course with the help of P2PU!

"Course in a Box" is an online course creation tool.  It allows you to add resources, activities and lessons to create a course designed to answer your classroom requirements.  Easy to use, the development platform is already set up using Markdown and can be hosted on the Github.