High Wire Press

High Wire Press is the largest archive of free full-text science on Earth. As of today it is assisting in the online publication of 2,148,165 free full-text articles and 6,484,754 total articles. There are 22 sites with free trial periods, and 47 completely free sites. 284 sites have free back issues, and 1237 sites have pay per view. The full text access is available as per following norms: 

"Free back issues":

Articles from the specified time period are available free of charge.

"Free trial period":

For a limited time, all articles are available free of charge.

"Free site":

All articles are available free of charge.

 

With its partner publishers it produces 71 of the 200 most-frequently-cited journals.

 

List of Journals