Via LLRX – Sabrina I. Pacifici has completely revised and updated her guide, which she first published in 2005 and has updated yearly since that time. A wide range of free sites with expertly sourced content specific to researchers focused on business, finance, government data, analysis and news from the US and around the world, are included in this article. The resources in this guide are the work of corporate, government, academic, advocacy and news sources and individuals or groups using Open Source applications. This guide is pertinent to professionals who are actively engaged in maintaining a balanced yet diverse group of reliable, actionable free and low cost sources for their daily research.