Alternatives to Unriddle

AI research assistant for scientists, with every answer cited to its source.

Cited, synthesized search answers for Chinese-language research.

Source-grounded AI notebook for deep research with cited answers, now Gemini Notebook.

Ask questions across all your files and get answers with cited sources.

Otio is a persistent AI research workspace for hundreds of sources, every answer cited.

All-in-one AI legal assistant for secure research, drafting, and document analysis.

Visual knowledge base with AI Tutor for guided deep learning and research

Citation-backed AI research platform for literature review, reading, and writing.

AI research assistant that searches, screens, and synthesizes scientific literature with citations

Cited, real-time AI answer engine with local-first agent capability

Turn research papers into searchable podcasts and chat with them.

AI research paper reader that explains highlighted text instantly.

AI academic summarizer that turns dense research papers into structured notes, flashcards, and study guides.

Consensus is an AI academic search engine that answers questions with evidence from 200M+ papers.

AI market intelligence platform with cited insights from 500M+ premium documents

Source-grounded AI research assistant that cites your uploaded documents.

remio: a local-first AI agent that turns files, meetings, and research into finished work

A transparent, secure AI research assistant for literature review and data analysis.

Open-source AI workbench for scientific research with custom LLMs

Chat with PDFs and get sourced answers with sentence-level citations.

AI research assistant for searching, citing, and drafting from peer-reviewed papers

IKI AI: AI-native knowledge workspace for research, summarizing and connecting your content

Free Chrome extension that summarizes, chats, and researches any web page by voice or text.

Free AI-powered search engine for 237M+ scientific papers with TLDR summaries and API access.

Turn saved links, videos, notes & conversations into a searchable AI-answerable second brain

Free Chrome extension to summarize articles, PDFs, and news into shareable insights.

AI-generated nonfiction book summaries in audio and text for busy learners.

Social web highlighting tool with AI summaries, chat, and public knowledge sharing

Document AI workspace for summarizing, comparing, and citing sources with verifiable insights.

AI speed reading assistant with adaptive pacing and comprehension tracking