xLaw - knowledge management system for Lawyers.
Chrome and Firefox plugin:
adds information next to Articles of EU Directives and Regulations in EUR-Lex (e.q. CURIA search links)
lets you add private comments next to Artices
share and organize contract clauses and general legal arguments inside of a law firm, in a company or on your own
access and add your EUR-Lex comments to Word document with one click
More information: xLaw user guide