I spend a fair bit of time editing Markdown files in Helix. By and large, these are GitHub Flavored Markdown, and I get sick of needing to push up my changes to see how GitHub would actually render the source code. Today I went ahead and found a solution. go-grip is a handy little tool that launches a live-reload webserver for rendering GitHub Flavored Markdown files. Just install it and drop this in your Helix config: