21st.dev
Community-built React blocks — MIT-licensed subset we can share.
A slim, dismissible top-of-page banner with an icon, message, action button and a learn-more link, built on a gradient background with a grid-pattern overlay. Use for a limited-time offer or a site-wide announcement, not for anything a visitor must see (it is designed to be closed and forgotten).
Infinite horizontal logo marquee with mask-faded edges and a hover-to-slow speed control, licensed MIT. Good for a client or integrations strip under a hero. Needs at least 6 to 8 logos of similar visual weight or the loop will look sparse and uneven.
Centered FAQ section, label plus headline plus description above a single-column expandable accordion, licensed MIT. Simplest default for a small-business landing page with under 8 questions. The accordion items themselves live in the linked shadcnuikit source, not in this demo file.
CSS-only animated gradient background and glowing border on hover, two color variants, licensed MIT. Good as a single hero or pricing-page primary CTA, using it for every button on a page dilutes the effect and slows scanning. The GradientButton implementation itself is not shown, only this usage wrapper.
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