The index
Every AI tool we’ve actually used.
Every tool in the catalog, ranked by editorial weight × sponsorship tier × popularity. Hand-picked for working professionals.
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AI research with citations.
Wolfram|Alpha — research tool curated for working operators.
Search API built for AI agents and RAG.
Zotero — research tool curated for working operators.
Khanmigo — research tool curated for working operators.
Search engine for AI — semantic and link-prediction based.
Mendeley — research tool curated for working operators.
Paperpal — research tool curated for working operators.
Similarweb — research tool curated for working operators.
Brave Search — research tool curated for working operators.
Humata — research tool curated for working operators.
Ground News — research tool curated for working operators.
AI research assistant for academia.
ChatDOC — research tool curated for working operators.
Smart citations for academic research.
Trinka — research tool curated for working operators.
R Discovery — research tool curated for working operators.
Powerdrill — research tool curated for working operators.
Afforai — research tool curated for working operators.
Enterprise search and AI assistant for your work knowledge.
Statista — research tool curated for working operators.
Premium ad-free search engine.
AI search for scientific papers.
Multi-step AI research from You.com.
Liner — research tool curated for working operators.
Arc Max — research tool curated for working operators.
Open-source autonomous research agent.
Upload a PDF and ask it questions in natural language
Privacy-first AI in the browser.
Stanford's open-source research agent.
Dia — research tool curated for working operators.
OpenAlex — research tool curated for working operators.
European AI search API for compliant agent workflows.
AI for academic reading.
Deep AI literature search.
Socratic by Google — research tool curated for working operators.
AI search for developer questions.
Personal AI research assistant.
AI for unstructured data — built for finance and legal.
Research workspace for R&D teams with content extraction and document synthesis
AI summary cards for research papers with figures, tables, and references extracted
Privacy-respecting AI search.
AI answer engine for developers.
Visual graph of papers similar to one you already have
Visual literature mapping that surfaces related papers as you build a collection
AI search with deep research.
Open-source scientific assistant from Allen AI.
Free academic citation graph for literature reviews.
Ad-free AI search engine focused on speed and direct answers
Sourced AI search and research assistant (Pro tier).
AI research assistant for long-form readers and writers.
Chat with PDFs and documents via AI.
User research repository + AI insights.
Chat with PDFs across many models.
Google Gemini's multi-step web research agent.
User testing + heatmaps on prototypes.
AI sidebar for Chrome.
Continuous user research and testing platform.
AI bookmark + research save extension.
ChatGPT's autonomous research mode.