Lean library joins SAGE Publishing to bring library services into the patrons’ workflow

Here is the press release of STM about the acquisition of Lean Library.

http://www.stm-publishing.com/sage-publishing-acquires-lean-library-to-bring-library-services-into-the-patrons-workflow/

This brings us to the following overview of one-click-pdf-tools:

• Kopernio (now acquired by Clarivate; free; shows accessible fulltext for your library (if you have a off-campus solution), plus open access and alternative versions.
• Unpaywall (by Impactstory ; free; brings you open access publications “only”
• Anywhereaccess (by Digital science
• LibKey (by Third Iron)
• Lean Library (now part of SAGE not really a one-click-pdf tool, but assisting to get there anyways)