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.
Statista — research tool curated for working operators.
Search engine for AI — semantic and link-prediction based.
AI search for scientific papers.
Ground News — research tool curated for working operators.
Mendeley — research tool curated for working operators.
Liner — research tool curated for working operators.
Brave Search — research tool curated for working operators.
AI research assistant for academia.
Humata — research tool curated for working operators.
Paperpal — research tool curated for working operators.
Similarweb — research tool curated for working operators.
Smart citations for academic research.
Powerdrill — research tool curated for working operators.
ChatDOC — research tool curated for working operators.
Afforai — research tool curated for working operators.
R Discovery — research tool curated for working operators.
Trinka — research tool curated for working operators.
Enterprise search and AI assistant for your work knowledge.
Premium ad-free search engine.
Multi-step AI research from You.com.
Stanford's open-source research agent.
Arc Max — research tool curated for working operators.
Open-source autonomous research agent.
Upload a PDF and ask it questions in natural language
AI for academic reading.
Deep AI literature search.
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 answer engine for developers.
Socratic by Google — research tool curated for working operators.
AI search for developer questions.
AI search with deep research.
Personal AI research assistant.
Research workspace for R&D teams with content extraction and document synthesis
AI for unstructured data — built for finance and legal.
Visual literature mapping that surfaces related papers as you build a collection
Visual graph of papers similar to one you already have
Privacy-respecting AI search.
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 sidebar for Chrome.
AI research assistant for long-form readers and writers.
Chat with PDFs and documents via AI.
ChatGPT's autonomous research mode.
User research repository + AI insights.
Google Gemini's multi-step web research agent.
Chat with PDFs across many models.
User testing + heatmaps on prototypes.
Continuous user research and testing platform.
AI-generated research articles via Perplexity.