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.
Liner — research tool curated for working operators.
Zotero — research tool curated for working operators.
Search engine for AI — semantic and link-prediction based.
Humata — research tool curated for working operators.
Ground News — research tool curated for working operators.
Paperpal — research tool curated for working operators.
Mendeley — research tool curated for working operators.
Brave Search — 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.
Trinka — research tool curated for working operators.
Powerdrill — research tool curated for working operators.
R Discovery — research tool curated for working operators.
Afforai — research tool curated for working operators.
Premium ad-free search engine.
AI search for scientific papers.
Multi-step AI research from You.com.
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.
Dia — research tool curated for working operators.
OpenAlex — 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
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.
Research workspace for R&D teams with content extraction and document synthesis
AI answer engine for developers.
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.
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.
Long-form research agent powered by Exa.
AI-generated research articles via Perplexity.
National-security focused AI for analysts.