Studocu
Student-uploaded lecture notes, past exam papers and course summaries, searchable by university and course. Free accounts get previews and limited access; Premium unlocks full documents and unlimited downloads.
OpenRead
AI platform that extracts key insights, summarizes, and analyzes academic papers and scientific documents for faster research.
PaperRed
Free AI plagiarism checker for Chinese students with AIGC detection, similarity reduction, and AI-assisted academic writing.
Semantic Scholar
Semantic Scholar AI analyzes 220M+ scientific publications with semantic search, citation graphs, TL;DR summaries, and developer API.
Sider
Chrome extension sidebar AI - free access to GPT-4o/Claude 3.5/Gemini on any webpage. Summarize/translate/write without tab switching. 2M+ Chrome Web Store users.
Prolific
Pre-screened human participants for surveys and experiments. You set the reward, subject to a £6/$8 per hour floor, and Prolific adds a platform fee - 42.8% for corporate users, 33.3% for academic and non-profit.
Obsidian
Build your second brain with bidirectional linked notes + interactive knowledge graph visualization - 100% free personal use, local-first Markdown privacy.
Bard
Google Gemini AI (formerly Bard) - FREE real-time Google Search integration for research and writing.
Consensus
Consensus AI search engine extracts insights from scientific literature answering research questions with evidence strength ratings.
TabSquare
AI restaurant platform - QR ordering/upsell/menu analytics. Increases AOV 25%+. Custom restaurant pricing.
Lecturio
Medical/nursing video lectures + Qbank/spaced repetition. FREE content + Premium $29.99/mo USMLE/COMLEX/NCLEX.
Elicit
AI searches 125M+ academic papers, extracts data, summarizes research, shortening the search stage of a literature review.
Scholarcy
AI tool that summarizes research papers, extracts key findings, tables, and references into interactive flashcards for faster literature reviews.
Perplexity AI
Perplexity AI answers questions using real-time web search with inline source citations and conversational follow-up for research.
Thomson Reuters
Westlaw legal research + Checkpoint tax/accounting + Reuters news. Enterprise pricing consultation. Lawyers/accountants essential.
Songtell
Songtell uses AI to analyze song lyrics and reveal the meaning, themes, and emotional depth behind the music you love.
Liner AI
Liner AI is a browser-based research assistant that enables AI-powered Q&A, summarization, and insight extraction from PDFs, web pages, and documents.
BlackRock AI Labs
BlackRock's AI research division publishing machine learning and quantitative finance research for institutional investors and practitioners.
Opera Neon
Opera Neon AI browser automates web actions with voice commands, intelligent tab management, contextual assistance, free VPN privacy.
WebsCrypto
FREE real-time crypto news/market analysis/Bitcoin Ethereum prices. Daily updates expert opinions blockchain trends.
Human or AI
⚠ humanorai.com does not exist in DNS as of 7 September 2026 — the address we listed cannot be reached. Human or AI game challenges players to distinguish human-created vs AI-generated images with weekly results and accuracy statistics.
WolframAlpha
WolframAlpha computational knowledge engine solves complex math, science, engineering problems with step-by-step solutions across 50+ domains.
Socratic by Google
Socratic by Google AI tutor helps students with math, science, literature through visual explanations, step-by-step guidance, and homework support.
