When comparing Orion vs StackHive, the Slant community recommends StackHive for most people. In the question“What are the best cloud IDEs?” StackHive is ranked 20th while Orion is ranked 30th. The most important reason people chose StackHive is:
StackHive supports Bootstrap 2 & 3, and provides a [tutorial](http://stackhive.com/tutorial?t=Get-Started%7CBeginner&a=Twitter-Bootstrap) on using Bootstrap with Stackhive.
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Pros
Pro Plug-ins including Pixlr image editor
Pro Built for front-end development
Orion was developed specifically for front-end development, making it a strong option for front-end developers thanks to features like syntax validation with ESLint and HTML content assist.
Pro Eclipse-like UI
Orion is developed by Eclipse and shares a lot in common with the Eclipse IDE UI.
Cons
Con No runtime environment
Does mostly do file editing, but without good project support, web terminal, build/runtime environment.
Con JavaScript only
Orion currently only supports JavaScript.
Con Very similar to Webflow
Many developers and designers have called StackHive a poorly executed Webflow knock off. Though StackHive currently offers more features than Webflow, it has much less of a polished feel, and can be buggy and slow at times.
You can see a side-by-side comparison of the UI here.