ChatPDF lets you upload any PDF and ask questions in plain language, receiving cited answers drawn directly from the document — free for casual use, Plus at $19.99/month.
Elicit is an AI research assistant that searches 200M+ academic papers, automates literature reviews, and extracts structured data for systematic research workflows.
Embedditor is a free open-source tool for optimizing vector embeddings in LLM applications, using TF-IDF NLP cleansing to reduce search costs by up to 40% and improve retrieval accuracy.
Mindgrasp AI converts PDFs, videos, audio files, and web articles into smart notes, flashcards, quizzes, and AI tutor answers for students and professionals.
Scholarcy is an AI article summarizer that converts academic papers, reports, and book chapters into interactive flashcards with key findings, citations, and highlighted sections.
Lookup is a free AI-powered search tool that queries multiple data platforms simultaneously, returning contextually ranked results from all your connected sources in one place.
PDFGPT is a free AI tool that lets users upload PDF documents and ask questions conversationally, extracting summaries and specific data without manual reading.
Claude is an AI assistant built by Anthropic that handles writing, coding, document analysis, and multimodal tasks with a free plan and Pro tiers starting at $20 per month.
WTF Does This Company Do is a free AI tool that takes any company URL and returns a plain-language explanation of what the business actually does — powered by GPT-3 algorithms.
SciSpace is an AI research assistant (formerly Typeset) that summarizes papers, generates citations, detects AI text, and runs deep literature reviews — free tier available, Premium at $12/month.
SketchBubble AI is a free AI presentation maker backed by 200,000+ professional templates that generates structured, editable slide decks for PowerPoint and Google Slides from a prompt.
Amurex is a free, open-source AI productivity assistant that runs as an invisible layer across Notion, Google Drive, and Obsidian to automate meetings and organize knowledge.