Alternatives to Cerebro

Linfo.ai turns articles, YouTube videos and PDFs into clickable takeaways and one-click mind maps that link back to the source sentence.

Heptabase is a visual knowledge base whose AI Tutor turns your PDFs, YouTube videos, and notes into guided study courses.

Wuko AI summarizes articles, PDFs, and YouTube videos by email — send a link to read@wuko.ai and get an AI summary back in seconds

Mem is an AI knowledge base that organizes what you capture, and Mem Agent checks in when something needs you.

Sharly AI is a document research assistant that summarizes, cross-compares, and citations your PDFs and reports across a single thread.

Notion is an AI workspace where docs, wikis, databases and autonomous agents share one system of record.

Glarity summarizes YouTube videos, PDFs and webpages and translates them side by side — free in your browser.

Casper AI summarizes web pages and PDFs into short, shareable notes in Chrome

Humata AI is a PDF AI that answers questions across your documents with citations linking back to the exact source passage

Box AI adds permission-aware Q&A, summarization, and metadata extraction to Box's secure content platform.

MyMemo AI turns saved links, PDFs, videos and voice recordings into a searchable second brain you chat with.

AI read-it-later app that summarizes YouTube videos, articles, and podcasts into concise, insight-rich takeaways.

MyLensAI turns any webpage or YouTube video into a clickable, source-linked visual summary in one click.

Chat with your PDFs, ebooks and YouTube links — get cited answers that jump to the exact page.

NoteGPT summarizes YouTube videos, transcribes audio and video, and turns notes into slides, voice, and images in one AI agent.

Locus replaces Ctrl+F with natural-language search across web pages and PDFs in Chrome and Edge.

Summarize Tech turns long YouTube videos into short text summaries you can read in minutes

BLUF is a Chrome and Firefox extension that summarizes, explains, and answers questions about any page, PDF, or YouTube video without leaving the tab.

OneDocs is a free, open-source desktop app that analyzes PDFs locally with 40+ AI models and zero uploads.

Free Chrome extension that summarizes websites, YouTube videos, and PDFs using ChatGPT, with no length limit.

HyNote is an AI note taker that turns meetings, audio, PDFs, YouTube videos, and phone calls into searchable, chat-ready notes.

Chat with PDFs in plain language, auto-fill any PDF form from your own documents, and embed a website AI agent trained on your content.

Document AI that reads contracts, manuals, and policies in full, cites every answer, and acts through 100+ business apps.

Google's source-grounded research assistant that answers only from the files you upload and cites the passage behind each claim

Snipd is an AI podcast player that turns what you hear into searchable, shareable snips with transcripts and summaries.

ChatPDF turns any PDF into a chat partner: ask questions, get cited answers, summaries, and translations in seconds.

AI video summarizer that turns Bilibili, YouTube, Douyin, podcast, and local media into time-stamped summaries, transcripts, and mind maps.

ChatDOC is chat-with-PDF analysis that ties every answer to the exact sentence, table cell, or footnote in your source.

BeFreed turns any book, PDF, YouTube video or topic into 8–15 minute narrated AI audio lessons you can interrupt mid-play.

Eightify summarizes YouTube videos into 8 key ideas with timestamps, a transcript, and a mind map.