Global research resources

Research Tools & Intelligence Hub

Find the right tools for better research.

Discover search engines, AI research assistants, academic databases, OSINT resources, verification platforms, and professional research tools in one comprehensive directory.

Popular:
72Research resources
12Research categories
72Verified in the last 30 days

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Explore the Research Tools Directory

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Acrolinx

Enforcing consistent terminology and style across organizational content.

Official website

archive.today

Web page archiving service that saves a snapshot of a page on demand.

Official website

arXiv

Free open-access repository of preprints in physics, mathematics, computer science, quantitative biology, statistics, economics and related fields, operated by Cornell University.

Official website

AskYourPDF

Chatting with a single PDF to extract answers and summaries quickly.

Official website

BASE (Bielefeld Academic Search Engine)

Search engine for academic web resources harvested from thousands of open repositories, run by Bielefeld University Library.

Official website

Brave Search

Independent web index with no user tracking, run by Brave Software.

Official website

ChatGPT

General-purpose AI assistant for brainstorming, summarizing and drafting research questions.

Official website

Claude

AI assistant strong at long-document analysis and careful, nuanced writing.

Official website

ClinicalTrials.gov

Registry of privately and publicly funded clinical studies worldwide, run by the US National Library of Medicine.

Official website

Cochrane Library

High-quality systematic reviews for healthcare decisions, published by Cochrane.

Official website

Congress.gov

Official source for bills, laws and congressional records, run by the Library of Congress.

Official website

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How AOFIRS Evaluates Research Tools

Ratings are shown only when a documented hands-on evaluation exists. Otherwise a tool shows Not Yet Rated.

25%Research usefulness
20%Reliability
15%Features
15%Ease of use
10%Transparency
10%Privacy
5%Value

Editorial policy

A listing is not an endorsement; tools are included for their research usefulness.

Review dates

Each tool shows the date its details were last verified.

Verification process

Official URLs and provider claims are checked against primary sources.