149
What is the most useful website you know?
(kbin.social)
### We are moving! **Join us in our new journey as we take a new direction towards the future for this community at mbin, find our new community here and read this post to know more about why we are moving. Thank you and we hope to see you there!**
*arxiv
arxiv.org allows anyone to submit scientific papers they've written. As such, the quality is mixed.
I haven't used SciHub, but as I understand it, SciHub focusses on making existing papers which were submitted elsewhere available for free.