This bundle is much more than just OSes and Editors, but includes a lot of coding services which can be a distraction to maintain while also handling one's educational requirements. Yes, you can set up TravisCI instances, an email server, a DNS server, etc, for free. At the same time, being able to have someone else worry about bugfixes and the like can be very useful if you've got a project that you just want to hack on without worrying about also being a sysadmin/devops person for your toolchain.