Searchable Research Library

Semantic Scholar indexes 230 million papers, offering AI‑powered semantic search that prioritizes relevance and citation impact. It provides contextual PDF annotations, a developer API, and export options for literature reviews, grant research, and teaching.

ResearchRabbit is a web‑based research assistant that lets users begin with a single paper and expand to related authors, works, and topics. It generates citation and topic evolution maps, supports notes and annotations, and syncs with reference managers like Zotero.

Ada Medical Library offers a searchable, physician‑curated database of peer‑reviewed health information. Covering conditions like headaches and seasonal affective disorder, it provides plain‑language explanations to help patients self‑manage and prepare for provider discussions.

ResearchPal automates literature reviews, summarizing PDFs and extracting key insights. It offers citation management, integrates with Zotero/Mendeley, writes structured academic drafts, supports paraphrasing, translation, tone adjustment, domain‑specific search, and real‑time collaborative editing.

Open Knowledge Maps is an AI search engine that visualizes scientific literature across disciplines, clustering related papers to reveal topic connections and trends. It supports varied document types, offers high‑quality metadata, multilingual browsing, and open‑source integration.

Papers manages research libraries by importing and auto‑matching bibliographic data, letting users tag, rate, and organize sources. AI offers article recommendations and chat queries, while inline annotations sync across Mac, Windows, and mobile. SmartCite supports 10,000+ styles and integrates impa

Sourcely is an AI academic search assistant that lets users paste text to retrieve relevant sources from a 200‑million‑paper database. It highlights citation sections, summarizes findings, offers free PDFs, supports multiple citation styles, and provides filtering and conversational clarification to

Consensus is an AI‑powered academic search engine indexing 250 million peer‑reviewed papers. Its Deep Search expands terms, applies filters for time, design, and population, visualizes study agreement, and offers medical‑focused evidence for rapid literature reviews.

MediSearch delivers AI‑driven, evidence‑based medical answers via a structured query interface and advanced filters for topics such as cancer risk and medication side effects. It offers a downloadable app and business solutions, focusing on up‑to‑date, accurate content.

Paperguide is an AI research assistant that searches 200 million papers, delivers cited answers, and automates literature reviews with structured summaries, tables, and figures. It offers a full‑document writer, reference manager, OCR, citation formatting, and collaboration tools.

Algolia is an AI‑driven search platform that indexes, retrieves, and monitors data. It offers Agent Studio, RAG‑powered experiences, conversational search, real‑time personalization, analytics, and built‑in integrations for e‑commerce, SaaS, media, and marketplaces.

Epsilon is an AI‑powered search engine indexing over 200 million academic papers, retrieving the top 100 results per query. It uses GPT‑4 to provide concise, citation‑rich summaries, supports batch data extraction, private libraries, and aids meta‑analyses and proposal drafting.

Dr.Oracle is an AI platform that supplies evidence‑based differential diagnoses and treatment plans derived from up‑to‑date guidelines and peer‑reviewed literature. Its Research Mode synthesizes up to 25 journal articles for rapid literature reviews.

Citrus Search is a specialized search engine for scientific literature, enabling efficient location of research papers through text queries. It utilizes similarity-based algorithms, citation networks, and timelines to offer comprehensive coverage and improved relevance in search results.

Scite indexes 280 million peer‑reviewed articles, preprints, books, patents, and datasets, enabling full‑text search. It classifies each citation as supportive, neutral, or contradictory with confidence scores and lets users view original context and citation reports.

TXYZ offers AI‑powered help for reading, problem solving, and knowledge workflows, with file upload and analysis of academic papers, a searchable scholarly library, a writing agent for up to five pages, precise document citations, and private data handling.

OpenEvidence is a secure medical information platform for U.S. healthcare professionals, facilitating question logging, managing protected health information, and streamlining prior authorization letter writing with access to trusted clinical findings and insights from over 10,000 care centers.

Scholarcy turns PDFs, articles, book chapters, and YouTube videos into concise summaries and flashcards. Users can annotate, highlight, and export the content to citation managers, Excel, or Word, streamlining literature reviews and study workflows.

GoSearch consolidates indexed and non‑indexed data from 100+ apps, letting teams query across email, chat, documents, and private files with AI assistants. It automates routine tasks through custom agents, enforces granular security, and supports multiple LLMs for unified enterprise knowledge.

SciSummary extracts abstracts, methods, results, and conclusions from scientific papers, supports bulk summarization and comparative overviews, provides AI‑generated figure statistics, and indexes up to 1,000 documents for semantic search to aid researchers in managing literature.

CitedEvidence is an AI research assistant that streamlines literature searches, systematic reviews, citations, and manuscript preparation. It also deploys multi-agent tools for automated topic exploration, data extraction, and domain-specific analysis in bioinformatics and life sciences.

iChatbook lets users chat through full book collections, fetch precise passages via vector search, build knowledge graphs, and adapt summaries to reading levels. It retains conversation history for revisiting insights and supports role‑management for training teams.

Prolific offers an API‑first platform for gathering high‑quality, real‑world data from a diverse participant pool. It provides fully managed collection, audience targeting, and access to domain experts, enabling quick, representative studies for AI development.

Research Topics Generator is a web-based tool that helps users create relevant academic topics by inputting keywords. It offers over 2,421 ideas across various fields, making it useful for students and researchers seeking inspiration for projects and papers.

Grokipedia is an AI-driven knowledge base featuring over 885,279 articles and a user-friendly search function. It offers multiple themes and an intuitive interface to facilitate efficient research across a wide range of topics.

Bookshelf is an AI tool offering 15-minute summaries of over 10,000 nonfiction titles, podcasts, and articles, emphasizing key insights in psychology, business, and science. It features offline access, personalized recommendations, and a community for sharing insights.

Midlibrary offers a database of 4,000+ SREF codes linked to 5,500+ artistic styles, artists, and techniques for Midjourney prompt engineering. It provides guides, benchmarks, a color roulette, tools for organizing prompts, upscaling images, and converting outputs to 3D models.

iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens

AskYourPDF lets users upload PDF or text files to ask questions and retrieve instant answers. It instantly summarizes long documents, supports keyword search across multiple files, and offers a shared library with mobile, Chrome, and plugin access, all GDPR‑compliant.

SoBrief provides 26,000+ book summaries in audio, PDF, and EPUB. Users read or listen in about ten minutes, customize playback speed, bookmark, track history, download, and select from multiple languages.

BookFindy.AI is an AI search engine indexing millions of titles, offering advanced filters by genre, date, author, language, and format. It provides personalized recommendations, adaptive e‑book styling, citation support, and integrates with libraries and bookstores.

Tavily offers a secure, high‑volume web‑access API that delivers real‑time search, extraction, and structured results. It includes caching, indexing, and content validation, preventing leaks and malicious data, and guarantees 99.99 % uptime for enterprise‑grade reliability.

iWeaver lets users upload documents, videos, audio, and images to extract key concepts, generate summaries, and build mind maps. It supports structured Q&A, data extraction, and visual mapping for research, analysis, and legal review. Modular agents enable API integrations for workflows.

Search+ AI enables users to interact with PDF documents through conversational queries, providing immediate answers and insights. It supports collaborative dialogue, ensures document privacy with encryption, and streamlines workflows for enhanced decision-making across multiple languages.

You.com is an AI-based search engine that provides customized search results and summarizes web pages by categories, with Code Complete for technical information and shareable links.

Paper Digest is an AI-powered research platform that facilitates literature reviews, deep research, and report generation. It features an AI reader for PDF analysis, an AI writer for content drafting, and a question-answering tool for scientific literature.

DataDepot aggregates research from multiple providers into one searchable hub, offering AI‑driven personalization and filtering by content type. Users configure dashboards to display relevant studies, while providers list work and transact globally without upfront fees.

Anara is an AI research assistant that extracts and summarizes PDFs, supports OCR and semantic image recognition, syncs with Zotero/Mendeley/Drive/Notion/OneDrive/SharePoint, offers multiple LLMs and configurable agents, and provides collaboration, citation-aware answers, and enterprise controls.

Connected Papers visualizes academic literature as a graph, letting users enter a paper and instantly see related works, citation paths, and trends. It aids in building bibliographies, spotting gaps, and finding recent research.

Archivara is an AI research archive for browsing, indexing, and reproducing machine-generated papers and models. It provides structured metadata, cloud VM labs for experiments, and AI agents to automate research workflows.

OmniScholar is an AI-driven research platform that simplifies academic workflows by offering a unified search engine, AI writing assistance, peer review feedback, and collaborative task management, enhancing productivity for researchers and students.

Rayyan automates systematic reviews by removing duplicates, flagging relevant studies, and offering PICO‑based search, bulk tagging, and custom filters. It generates PRISMA diagrams, supports import from Mendeley, Zotero, PubMed, and enables mobile and collaborative review workflows.

Needle.app is a knowledge threading platform that centralizes documents, apps, and data into a searchable AI knowledge base. It automates workflows for tasks like document processing, data extraction, and personalized outreach across sales, HR, and other teams.

Wikiwand enhances Wikipedia browsing with AI-driven contextual tools, including intelligent search, enriched summaries, and timelines. It supports multiple languages, offers customizable layouts, and integrates resources for a comprehensive learning experience.

Messy Desk is a personal knowledge library tool that organizes information, supports advanced semantic search, and features AI-driven document summaries. It enables community discussions, bulk PDF uploads, and video tagging for efficient knowledge management.

Cambrian Copilot consolidates machine‑learning literature, indexing 240,000+ papers for keyword, author, or topic searches. It summarizes key findings, extracts citations, and automates literature reviews, accelerating research workflow for academics and industry.

Harvey is an AI tool for legal professionals, streamlining research and task delegation. It offers a secure workspace for document management, workflow orchestration, and tailored prompt libraries, enhancing productivity and ensuring enterprise-grade security for sensitive information.

Scribbr offers academic writing support with professional editing, plagiarism detection, citation generation across styles, AI‑powered proofreading, paraphrasing, summarizing, sentence rewriting, and a Chrome extension for in‑browser citations, helping students and researchers produce polished manus

Glean indexes content from 100+ business apps—including Slack, Teams, Gmail, Salesforce, and SharePoint—to deliver a unified search experience. Its AI assistant retrieves documents and emails based on user context, while Agent Builder automates repetitive tasks. Security controls safeguard sensitive

This is an AI-powered transcript generator for podcasts that allows users to search, sort and filter results based on various criteria.