Google Scholar Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines.
SnowGlobe SnowGlobe is a program that assists with literature searching, using a technique called snowballing. Snowballing has emerged as the gold standard for comprehensive literature reviews. The process of snowballing takes all known relevant papers and searches through their references (which papers they cite) and citations (which papers cite them).
Connected Papers A new simple tool that will help you find papers similar to a particular work that you specify, and then present their connection in a visual graph. All you need is to input one relevant ‘seed’ paper.
ResearchRabbit ResearchRabbit is a literature mapping tool that can help you find related papers based on references, citations, co-authors, and other linkages.
Litmaps Litmaps help you find relevant papers and visualize their connection in a network graph, to see how the research topics fit together.
Inciteful Inciteful is a literature mapping tool that could help you find similar papers based on a set of papers of your choice. You can also enter two papers and look at all the papers that link those two papers together.
Open Knowledge MapsOpen Knowledge Maps uses key research terms to quickly assess over 28 million articles and identify central themes and common research findings.