Search over peer-reviewed papers with claim summaries
Liner alternatives
3 products our research names as a replacement for Liner in Academic Search & Literature Review, each with what it does differently — prices, API and status from our own checks rather than from the vendors’ own pages.
Elicit
71Literature review workflow that extracts data into tables
has a public API
Liner vs Elicit →scite
50Citation index that shows whether papers support or contradict
from $12 against $14.99 · has a public API
Liner vs scite →More in Academic Search & Literature Review
Not named as direct replacements — neighbours from the same part of the catalog: the best-rated first, then a sample of the rest.
Search engine for experimental protocols that compares methods across 40M+ papers and patents and scores how reproducible they are.
Workspace for academic papers that combines literature search, outlining, citation-backed writing, and compliance checks.
alphaXiv
79Lets researchers search and discuss arXiv papers, with answers grounded in the paper text rather than free-form summaries.
SciSpace
50Research workspace that searches, explains and compares academic papers and drafts the write-up with citations
Recommends and summarizes research papers, chats with PDFs, and reads papers aloud, built by Cactus Communications.
Free search across 238M research papers, with citation context, one-line summaries and an open scholarly API.
Literature search agent that reads candidate papers and follows citation trails instead of ranking keywords.
Answers and review papers built from cited scientific literature
Literfy
69Searches Google Scholar, PubMed, and Semantic Scholar at once and drafts a literature review grounded in the papers it finds.
Sourcely
77Finds citable academic sources for a pasted essay or paper draft, with summaries and credibility checks
Cited literature search plus PRISMA screening and manuscript drafting for academic work
A life-sciences research assistant that searches 40M+ biomedical papers and returns cited, mechanism-level answers.
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