Update of Reference Manager Overview Chart

In March 2009 I posted an overview chart of how popular reference managers have implemented some important features. I’ve since updated this chart several times, and the chart probably has outgrown the format of a blog post. For that reason I now made the chart available

• on a dedicated page with an easy to remember URL (http://bit.ly/refman),
• as PDF file for downloading and printing,
• under a Creative Commons Attribution license (like all content here on PLoS Blogs) for redistribution and reuse.