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    Knockout pricing

    Free, open source JavaScript library binding DOM elements to a view model, with automatic UI refresh and dependency tracking.

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    ToolTrim verdict3.4/ 5Average

    Being free, there's no cost threshold; the real question is whether its narrower scope (66kb, no large modern ecosystem) still covers what the project needs.

    Pricing. What does Knockout cost ?

    Free

    $0

    Free plan: Fully free MIT-licensed library

    Paid plan

    No paid plan required.

    Checked on September 25, 2026

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