When comparing Eclipse Che vs Codepen, the Slant community recommends Eclipse Che for most people. In the question“What are the best cloud IDEs?” Eclipse Che is ranked 8th while Codepen is ranked 12th. The most important reason people chose Eclipse Che is:
Ranked in these QuestionsQuestion Ranking
Pro Docker runtimes
Pro Custom commands
I like that I can package up custom commands with my workspace and then use them (or share them) with everyone else.
Pro SSH + terminal
Built-in terminal with root access so I can make changes to my running machines. Although I don't use it often being able to SSH into the workspace so I can use a desktop IDE is handy.
Pro Portable workspaces
The workspace in Che includes project sources, IDE and the runtime. So if you hand your Che workspace definition to another user and they execute it they will get everything they need to build, run and debug the project.
Also the runtime is in a Docker container so it will work even if the second user is on a different OS than the original user who shared their workspace with them.
Che does a nice job to automatically map the service:port running in my Docker container (e.g. tomcat on 8080) to the Docker port it actually uses (something in the ephemeral range). I never need to figure that out - it's just made available to me when I run my server.
Pro GIT and SVN VCS support
Projects can be easily imported from any Git or Svn repository hosting service.
Pro Reproducible environment
Pro Merge tool for VCS
Pro Open Source
Pro Easily export your pen
CodePen makes it really easy to export code as a zip or Github Gist.
Pro Great community pens
You can search through other pens, either by keyword or popular, picked or recent.
Pro Easily fork pens
To fork a pen only requires clicking one button, and you'll be able to modify the pen on your own account.
Pro Great display/profile page
The codepen profile page allows you to display all of your public pens, and control which order you want them to be viewed in. This is great for showing off your work to possible employers, other devs etc..
Pro Lots of support for frameworks and preprocessors
CodePen has an impressive amount of support for preprocessors (such as Jade, Haml, Slim, Sass, Less, Stylus, Coffeescript and PostCSS). There is also plenty of frameworks and libraries to pick from (Foundation, Bootstrap, Angular, D3, Backbone, Ember etc.).