Explore the Teacher Helps course on SIL's elearning.sil.org platform
Understand how to choose between SIL's corporate training platforms (read this document)
SIL's online course developers use Articulate products and/or Genial.ly.
The community site for Articulate users is a great resource for tips and ideas.
You also might like to check out this website by elearning designer Tim Slade.
Design For How People Learn by Julie Dirksen is a great book for beginning instructional designers.