Legal Information Institute is a small research, engineering, and editorial group housed at the Cornell Law School in Ithaca, NY. Their collaborators include publishers, legal scholars, computer scientists, government agencies, and other groups and individuals that promote open access to law, worldwide.
The Public Library of Law is the world’s largest online database of free law. It brings free materials from across the Web together in one place, and adds hundreds of volumes of law that has previously only been available with a subscription.
Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites. Google Scholar helps you find relevant work across the world of scholarly research.
Justia's mission is to advance the availability of legal resources for the benefit of society. They are focused on making primary legal materials and community resources free and easy to find on the Internet. The company provides Internet users with free case law, codes, regulations, legal articles and legal blog and twittterer databases, as well as additional community resources.