In case anyone is interested, Koding is having a "crazy 250TB week", they are giving away extra GBs
More information: http://blog.koding.com/2014/02/one-more-round-of-awesome-the-crazy250tbweek-is-here/
Koding provides a free VM with ssh (web) access. In their free tier the VPS automatically turns off 20 minutes after you logout out. Its a good service (laggy sometimes) if you want to learn programming (or for testing/development).