To speed up our custom workflow, I started writing my own Sketch plugins. Finding resources online was difficult and there didn't seem to be any basic tutorials for Designers like me. So I wrote a series of articles to help provide that missing resource. It ended up being pretty well received by the Sketch community, shared by Sketchapp and Smashing Magazine and included in Sketch's own curated news.
This seven part series starts with the basics of creating your first Sketch plugin, to more advanced data import and export.