Directory

Visual literature-exploration tool that builds a similarity graph of papers around a seed paper, with prior and derivative works lists

AI research assistant that finds papers, extracts structured data from them into tables and runs systematic-review style workflows and reports

Open catalog of the global research system: works, authors, sources, institutions and topics under CC0, served by a REST API, web app and S3 snapshot

Literature-discovery app that grows collections of papers through citation and author networks and recommends related work, with a free-forever tier

Citation-analysis platform whose Smart Citations show whether later papers support, contrast or merely mention a claim, with an AI assistant and reference checking

Free, open-source reference manager with browser connectors, word-processor plugins, a PDF reader, group libraries and optional paid file storage