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Undermind alternatives · AI Research

Undermind alternatives with a Windows app

The Undermind listing does not include a Windows app. 4 of the 49 other AI research tools in this directory list a Windows app.

Undermind has a free plan. Paid plans start at $16 per month, billed annually, at the academic rate ($60 for industry). All of them are free or have a free plan.

4 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

How each one differs from Undermind

  1. Otio

    AI research workspace for chatting across many sources

    • Otio starts at $7 per month (Lite), billed monthly or $84 per year. Undermind starts at $16 per month, billed annually, at the academic rate ($60 for industry).
    • Only Otio lists macOS, Windows, Linux and iOS apps.
    • Only Otio lists a browser extension.
    • Otio also covers notes.
    Otio pricing and details

  2. ChatPDF

    Ask questions about PDFs and get answers with citations

    • ChatPDF starts at $89.99 per year or $14.99 per month (US App Store in-app purchase). Undermind starts at $16 per month, billed annually, at the academic rate ($60 for industry).
    • Only ChatPDF lists macOS, Windows, iOS and Android apps.
    • Undermind also covers AI agents.
    ChatPDF pricing and details

  3. Liner

    AI search with cited answers, research agents and a writer

    • Liner starts at $14.99 per month, billed annually ($17.99 billed monthly). Undermind starts at $16 per month, billed annually, at the academic rate ($60 for industry).
    • Only Liner lists macOS, Windows, iOS and Android apps.
    • Only Liner lists a browser extension.
    • Liner also covers long-form writing and highlights.
    Liner pricing and details

  4. Zotero

    Free, open-source reference manager from a nonprofit

    • Zotero starts at $20 per year for 2 GB of file storage. Undermind starts at $16 per month, billed annually, at the academic rate ($60 for industry).
    • Only Zotero lists macOS, Windows, Linux, iOS and Android apps.
    • Only Undermind lists a web app.
    • Zotero is open source, according to its own site.
    Zotero pricing and details

Common questions

Which Undermind alternatives have a Windows app?

Otio, ChatPDF, Liner and Zotero list a Windows app.

Does Undermind have a Windows app?

The Undermind listing does not include a Windows app. It lists Web.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 12, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Undermind: the alternatives its listing names first, then the tools that share the most features with it.