Important!

Pleas read the description carefully before taking action.

Dropbox cloud drive

Dropbox cloud drive has 2 GB storage for free account. It's stable and has a relatively fair user agreement. It has been blocked in China.
If one has created a new account via my referral link and has installed the client program on his computer, he can get 500 MB extra initial space and I will get 500 MB extra space at the same time.

Digital Ocean VPS

Digital Ocean is a big VPS service provider. Its VPS are stable. It has many data centers in both Europe and North America. The major linux distrabutions are available. The lowest cost of its VPS server is 5 USD (Excl. tax) which is pretty economic. Their IPs sometimes are blocked in China.
If one has created a new account via my referral link, he will get 10 USD credits. If he has spend 25 USD, I will get 25 USD in return.