I released as much of the source to your/my Word plugin as I think I can without further permission on GitHub: https://github.com/simonster/mendeley-word-plugin

@William Gunn, great, how about the Word plugin? I don't know if it still contains the code I wrote, but consider it a gesture of goodwill toward the open source community.

Mendeley would not be a viable product without the work of the Zotero and CSL communities. Mendeley's Word and OpenOffice.org plugins are still based upon the first generation Zotero Word plugins that I wrote many years ago. Before we replaced these plugins with our second generation plugins, Mendeley never made any attempt to submit patches back to us, and I doubt that's because our code was perfect and they weren't necessary. Mendeley uses Frank Bennett's citeproc-js for formatting citations. Finally, Mendeley has attempted to appropriate the code that I and others wrote for Zotero for a web importer of their own, but didn't think it might be nice to let me or any of the others who contributed to the original work know that it exists, and obviously did not submit any upstream patches. Mendeley likes to make claims about "openness," but in reality, it's not any more open than proprietary alternatives. It appropriates our (Zotero) code where possible, but makes no attempt to contribute back. The development of Mendeley's CSL editor, the only major new open source project that Mendeley has created, appears to have stalled. If Mendeley were to release its client under a GPL license, it would go a long way toward restoring our faith in Mendeley's benevolence and vision.