> Python, Makefiles, YAML, C, Objective-C, C++, Groovy, Java, shell scripts, Markdown, and plain text files

> - JetBrains various IDEs - haven't really given it a fair shake yet. But I want one editor I can use across all the languages I develop in. I don't want a separate IDE for each language. I'm not sure I want an IDE at all.

For this language list, you just need two JetBrains IDEs:

* IntelliJ IDEA - for Java, Groovy, and Python

* AppCode - for Objective-C, C, and C++

And then the remaining languages can be handled by either one with plugins.