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.
Statista — research tool curated for working operators.
Search API built for AI agents and RAG.
Khanmigo — research tool curated for working operators.
Zotero — research tool curated for working operators.
Liner — research tool curated for working operators.
Search engine for AI — semantic and link-prediction based.
Ground News — research tool curated for working operators.
Mendeley — research tool curated for working operators.
Brave Search — research tool curated for working operators.
Humata — research tool curated for working operators.
Paperpal — research tool curated for working operators.
Similarweb — research tool curated for working operators.
AI research assistant for academia.
ChatDOC — research tool curated for working operators.
Smart citations for academic research.
R Discovery — research tool curated for working operators.
Afforai — research tool curated for working operators.
Trinka — research tool curated for working operators.
Powerdrill — research tool curated for working operators.
Enterprise search and AI assistant for your work knowledge.
Multi-step AI research from You.com.
AI search for scientific papers.
Premium ad-free search engine.
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.
OpenAlex — research tool curated for working operators.
Dia — research tool curated for working operators.
European AI search API for compliant agent workflows.
AI summary cards for research papers with figures, tables, and references extracted
Deep AI literature search.
AI for academic reading.
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 answer engine for developers.
Privacy-respecting AI search.
Visual literature mapping that surfaces related papers as you build a collection
Visual graph of papers similar to one you already have
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.
User research repository + AI insights.
Chat with PDFs and documents via AI.
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.