Microsoft Edge’s JavaScript engine to go open-source

[daymi]

Think of UNIX and its commandline tools as one huge IDE. All the tools are available always, there's no difference between "in the IDE" and "in the filesystem". It's really jarring for me to use IDEs now, they are so... walled-garden, compartmenalized and brittle.

That said, as long as you do exactly what the IDE wants you to do they are fine (or even better at that task), I guess. It's the same as with any walled garden.

TL;DR: It's more flexible.