GoatStack.AI vs Zeli

Semantic Scholar is a free, non-commercial academic search engine built by the Allen Institute for AI (Ai2). It indexes more than 240 million papers from every field of science and uses machine learning to extract meaning from abstracts, citations, figures and tables, so researchers find relevant work faster than with keyword-only search.

Buscador académico con IA para literatura revisada por pares

Plataforma de investigación con IA para leer, entender y escribir artículos científicos

Una lente de lectura con IA que resume papers, vídeos y webs

ResearchRabbit is a free AI research discovery tool that maps the literature around the papers you care about. Seed it with a paper you like and it visualises related work, key authors and emerging topics, learning from your choices to surface the research you have been missing.

Summarizer.org is a free AI summarizer that condenses text, articles, essays and documents into paragraph or bullet-point summaries with adjustable length.

Scholarcy is an AI reading assistant that turns research papers, articles, book chapters, and textbook sections into interactive summary flashcards, surfacing key findings, concepts, and referenced works so you can screen and review literature faster.

WisPaper is an AI literature discovery and deep-search assistant for researchers. It screens large sets of academic papers and narrows them to the studies that actually matter, helping you find relevant work and track research trends without reading everything yourself.

Paper Digest is an AI research platform that summarizes literature, generates literature reviews with citations, and delivers daily digests of new papers across arXiv, PubMed, bioRxiv and major conferences. Launched in 2018 and used by millions of researchers, it combines a citation-backed review engine that avoids inventing results with tools for reading PDFs, writing, question answering, claim verification and topic tracking.

TLDR This is a free online summarization tool that condenses long articles, blog posts, and webpages into short, easy-to-read summaries. Built as both a web app and a browser extension, it also strips ads and clutter, extracts key metadata like author and date, and estimates reading time so you can get the gist without the noise.

ResearchPal is an AI research workspace that searches academic sources, generates citation-backed literature reviews, answers questions from your own PDFs, and helps draft and polish scholarly writing.

Resúmenes y guías de estudio con IA para artículos científicos