You may be prompted to enter your debit/credit card information while setting up your free account at Cloud9.
You will never actually be charged (unless you deliberately choose to set up a premium account). If you are unable to get access to a debit/credit card, email us at firstname.lastname@example.org and we'll help you set up a student account, although it may take up to 72 hours or more.
We will use Cloud9 for writing all of our code.
Without using a platform like Cloud9 most students get demotivated and can spend hours or days setting up their development environments manually.
Therefore, this tool is incredibly valuable for students - and best of all - it is free to use.