Google Scholar Google Scholar is a freely accessible web search engine that indexes the full text of scholarly literature across an array of publishing formats and disciplines.

EconPapers EconPapers provides access to RePEc, the world's largest collection of online Economics working papers, journal articles, books, book chapters, and software components.

IDEAS IDEAS is the largest bibliographic database dedicated to Economics and available freely on the internet. It indexes over 2.2 million items of research, including journal articles, working papers, and software.

Crossref Crossref is an official Digital Object Identifier (DOI) Registration Agency for scholarly publications. It provides reference linking and citation matching services to improve research impact and discoverability.

Scilit Scilit is a comprehensive content aggregator for scholarly publications. It indexes scholarly articles, book chapters, conference papers, and other academic works from multiple disciplines, providing wide visibility and access to researchers globally.

Dimensions Dimensions is a next-generation linked research information system that offers data on research publications, citations, grants, patents, clinical trials, and policy documents across all academic disciplines.

RePEc RePEc (Research Papers in Economics) is a collaborative effort of hundreds of volunteers in over 80 countries to enhance the dissemination of research in Economics and related sciences. It indexes working papers, journal articles, books, and software components.

Semantic Scholar Semantic Scholar is a free, AI-powered research tool for scientific literature, focusing on helping scholars find and understand relevant academic research quickly.