scarlet-go
Archiving as I have too many projects, Scarlet was not in the top 20%.
"Sometimes it's better to light a flamethrower than curse the darkness." - 'Men at Arms' by Terry Pratchett
Scarlet is a template for building domain or team specific scripting tools. I started it as a way to learn Go while attempting to create an extremely light weight API testing tool with easy to modify source code for adding spells (inbuilt functions).