AI research
AI answer engines, academic paper search, and tools that answer questions about PDFs, documents and data.
42 results, page 1 of 2
Brave Search
A private web search engine built on its own independent index, with optional AI answers.
GPT4All
A local AI chat app with document chat built in, from Nomic AI. Stable, MIT licensed, but not updated since early 2025.
Kagi
A paid, ad-free web search engine with anti-tracking, result customization and an AI assistant.
Perplexity
An AI answer engine that searches the web and replies with cited sources.
AnythingLLM
A desktop AI app that answers questions about your own documents, with no account and no API key needed.
Arc Search
Mobile browser with an AI Browse for Me mode that reads pages and summarizes them.
Blinko
An open-source, self-hosted note tool with AI features, built for private quick notes.
ChatPDF
An AI tool that summarizes PDFs and answers questions about them, with citations to the source.
Consensus
An AI search engine for peer-reviewed literature that gives evidence-based answers drawn from papers.
Deepnote
A collaborative data notebook for Python and SQL with AI assistance, dashboards and data apps.
Elicit
An AI research assistant that finds papers, summarizes findings and extracts data for literature reviews.
Explainpaper
A web tool that explains highlighted passages of uploaded research papers in plain language.
Feeds Fun
A self-hostable news reader that tags feed entries and ranks them with your own scoring rules.
Felo
A multilingual AI search tool that answers questions and creates slides, mind maps and documents.
Folo
An AI-assisted feed reader for RSS and other sources, with desktop, web and mobile apps.
Gemini Notebook
Google's AI research notebook, formerly NotebookLM, that summarizes and answers questions about your uploaded sources.
Hex
An analytics platform with an AI data assistant, notebooks, dashboards and interactive data apps.
HiPDF
Wondershare's online PDF suite for converting, editing, compressing, merging and summarizing PDF files.
Humata
An AI tool for asking questions about your documents, with cited answers and summaries.
Jenni AI
An AI writing assistant for academic essays and research papers, with source library and citations.
Julius AI
An AI workspace that analyses data and creates spreadsheets, slides, dashboards, websites, images and video.
Khoj
Open-source AI second brain that researches across your documents and the web with any model.
Kimi
Moonshot AI's chat assistant for long documents, research, coding and slide creation, powered by Kimi models.
Knowt
A study app for flashcards, notes, quizzes and exam prep, with AI tools that summarize lectures.
Kotaemon
An open-source, self-hosted RAG app for chatting with your documents using local or hosted models.
LightPDF
Online and desktop PDF editor and converter with OCR and AI document chat.
Liner
Browser extension for highlighting, bookmarking and AI-summarizing webpages.
Local Deep Research
A self-hosted research assistant that runs multi-step searches with local or cloud language models.
Open Notebook
Self-hosted, open source alternative to Google's NotebookLM.
Paperpal
An AI academic writing tool with grammar checks, citations, paraphrasing and journal submission checks.
