Fri adgang er en OA platform for socialt netværk blandt forskere.

" is a platform for academics to share research papers. The company's mission is to accelerate the world's research.
Academics use to share their research, monitor deep analytics around the impact of their research, and track the research of academics they follow. 16,320,565 academics have signed up to, adding 4,614,760 papers and 1,371,573 research interests. attracts over 15.7 million unique visitors a month."