When comparing IntelliJ IDEA vs Stylo, the Slant community recommends IntelliJ IDEA for most people. In the question“What are the best Markdown editors for OS X?” IntelliJ IDEA is ranked 24th while Stylo is ranked 32nd.
Ranked in these QuestionsQuestion Ranking
Pro Great Java Support
Pro A good editor for test-driven development
Pro Markdown support with preview
Pro Great TypeScript support
Really good support for importing classes, libraries, etc. into a typescript class. Making it easy to do TDD.
Pro Angular CLI support
Pro Supports PHP quite well
Pro Good BASH script support
Pro Flexible styling using CSS
Markdown source styling is really flexible because the App relies on CSS.
Pro CSS style definitions editable inside the editor
There is no need for complicated theme manipulation steps to create a style, everything is right in the editor along with the Markdown source.
Pro CommonMark support
CommonMark Markdown standard got a lot of traction lately and it's good to use an editor that conforms to it.
Consumes more resources than VSCode etc. But depending on your use-case, it can still be worth it for the benefits you get with this editor.
Con Autocomplete does not work while IntelliJ is indexing
But this, in general, is not much of an issue. Usually after npm install, etc.
Con Is not free
But it does have a free version (Community Edition).