DevBoxes are saveable, fully customizable development environments that run on either Open VZ or Docker and each has a dedicated amount of memory and disk space. Multiple devboxes can be run at the same time.
Codeacademy relies on right click for major actions but doesn't support this interaction on iPad. Selecting listed Dev box URLs to access site is also unworkable in practice. iPad app allows the actions but has very limited set of Dev box controls.
Cloud9 gives full terminal access to home directory. In their hosted Linux Ubuntu environment it has sudo powers. No UNIX commands have been blocked - npm, ifconfig, chmod, chown, tar, etc work. All commands can be accessed and any package can be installed. And if the terminal is used when using...
Cloud9 can connect to a dedicated VM to provide a powerful Ubuntu runtime environment in the cloud using Docker. Apps can be either run from the run panel where a selection of runners is provided or from a terminal.
Get 1GB RAM and 3GB disk space, with 1GB extra disk space for every 2 referrals up to 7GB. Anyone can get a free virtual machine (VM) with Ubuntu that has root access, apt-get, and many commonly used web tools. (most services offer this) The virtual machine shuts down after the user has been logged
Emmet support for a whole range of features that really boost productivity when working with HTML and CSS. These features include expanding abbreviations into full HTML or CSS as well as some very powerful keyboard shortcuts.