Description: Google Scholar is a free online academic database that indexes scholarly literature across disciplines and sources. It allows users to search for peer-reviewed papers, theses, books, abstracts, and court opinions.
Type: software
Description: Khan Academy is a free online learning platform that offers practice exercises, instructional videos, and personalized learning dashboard for K-12 and college level students. Subjects covered include math, science, economics, history, grammar, and more.
Type: software
Pricing: Free