🚀 2400+ AI tools in the Mega Directory — catalogue updated November 2026.

🔬 Research Tools

45 tools listed in this category. 45 detailed review(s) live now — more are added every week.

Perplexity

Research ToolsFree plan

AI search assistant that answers questions with cited sources.

Free plan; Pro $20/mo; Education $10/mo
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Elicit

Research ToolsFree plan

AI research assistant that answers questions from 138M+ academic papers.

Free Basic plan; Plus $11/user/mo billed annually
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NotebookLM

Research ToolsFree plan

Google's source-grounded research assistant — ask your documents, get cited answers.

Free with Google account; AI Plus from $4.99/mo
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Consensus

Research ToolsFree plan

AI search engine that answers questions from 200M+ peer-reviewed papers.

Free plan; Pro from $12/mo annual
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SciSpace

Research ToolsFree plan

AI research workspace to find, read, and write about academic papers.

Free plan; Premium from $12/mo annual
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Academia.edu

Research ToolsFree plan

Platform for academics to share research papers and follow scholars.

Free; Premium — check official site
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Zotero

Research ToolsFree plan

Free reference manager for collecting, organising and citing research sources.

Free; storage from $20/yr
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Mendeley

Research ToolsFree plan

Reference manager and academic network for organising papers and citations.

Free; Plus from $4.99/mo
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EndNote

Research ToolsPaid

Reference management software for storing and formatting research citations.

One-time from $275; Student $150
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Connected Papers

Research ToolsFree plan

Visual tool that maps similar academic papers around one seed paper.

Free plan; Academic from $6/mo annual
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Litmaps

Research ToolsFree plan

Citation mapping tool that visualises how research papers connect over time.

Free plan; Pro Education from $10/mo annual
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Inciteful

Research ToolsFree plan

Free tool that builds citation networks to discover relevant research papers.

Free
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Research Rabbit

Research ToolsFree plan

AI tool that discovers papers and authors through citation networks.

Free plan; RR+ from $10/mo annual
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Scite

Research ToolsPaid

Citation tool that shows whether papers support or dispute a claim.

Free trial; Basic from $12/mo
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Undermind

Research ToolsPaid

AI research agent that searches and synthesises scientific literature.

Check official site
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Humata

Research ToolsFree plan

AI tool that answers questions from your uploaded research documents.

Free plan; Expert from $9.99/mo
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ChatPDF

Research ToolsFree plan

Chat with any PDF to summarise and extract answers from documents.

Free plan; Plus from $14.99/mo
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Explainpaper

Research ToolsFree plan

Explains complex academic papers in simple language, paragraph by paragraph.

Free plan; Pro from $16/mo
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Paperpal

Research ToolsFree plan

AI writing assistant that helps researchers draft and polish academic papers.

Free plan; Prime from $12/mo annual
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Trinka

Research ToolsFree plan

AI grammar checker tuned for academic and technical writing.

Free plan; Premium from $6.67/mo annual
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Writefull

Research ToolsFree plan

AI writing tool that checks academic English against published papers.

Free plan; Premium from $12.50/mo annual
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Jenni AI

Research ToolsFree plan

AI writing assistant for drafting essays and research papers faster.

Free plan; Plus from $12/mo annual
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Dimensions

Research ToolsFree plan

Research database linking publications, grants, patents and clinical trials.

Free basic; paid — check official site
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Lens

Research ToolsFree plan

Free search platform for patents and scholarly works worldwide.

Free
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OpenAlex

Research ToolsFree plan

Open catalogue of scholarly papers, authors and institutions.

Free
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CORE

Research ToolsFree plan

Aggregator of open-access research papers from repositories worldwide.

Free
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BASE Search

Research ToolsFree plan

Search engine for academic open-access resources from Bielefeld University.

Free
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Crossref

Research ToolsFree plan

Registry that links scholarly content with persistent DOI identifiers.

Free
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PubMed

Research ToolsFree plan

Free database of biomedical and life sciences research citations.

Free
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arXiv

Research ToolsFree plan

Open-access archive for preprints in physics, maths and computer science.

Free
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SSRN

Research ToolsFree plan

Repository for early-stage research in social sciences and humanities.

Free
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JSTOR

Research ToolsFree plan

Digital library of academic journals, books and primary sources.

Free account; paid access — check official site
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You.com

Research ToolsFree plan

AI search engine that answers questions with cited sources.

Free plan; Pro from $15/mo annual
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Kagi

Research ToolsPaid

Paid search engine that delivers ad-free, high-quality results.

100-search trial; Starter from $5/mo
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WolframAlpha

Research ToolsFree plan

Computational knowledge engine that answers factual and maths questions.

Free basic; Pro — check official site
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Statista

Research ToolsFree plan

Statistics portal with market data, charts and reports on many industries.

Free Basic; Starter from $199/mo annual
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CB Insights

Research ToolsPaid

Market intelligence platform tracking startups, funding and tech trends.

Check official site
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Crunchbase

Research ToolsFree plan

Database of companies, funding rounds and investors for market research.

Free plan; Pro from $79/mo annual
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PitchBook

Research ToolsPaid

Data platform for private equity, venture capital and M&A research.

Check official site
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AlphaSense

Research ToolsPaid

Market intelligence platform that searches filings, news and research.

Check official site
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Glean

Research ToolsPaid

Enterprise search tool that finds answers across company apps and documents.

Check official site
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Coveo

Research ToolsPaid

AI search platform that personalises results across websites and workplaces.

Check official site
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