Skip to main content

Built by makers, shipped in public

Sign in

Frutjam vs Knowns UI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Frutjam compared with Knowns UI
DetailFrutjam logo FrutjamKnowns UI logo Knowns UI
What it doesFree, accessible CSS-only Tailwind CSS component library with zero JavaScript React components and blocks for AI products
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Not given
PricingFree (MIT license); optional paid plans: Pro Plan $9 USD, additional paid tiers available Free: $0 (45 base components, 17 agent and chat views, no account required). Pro Monthly: $9.99/month (all Pro features, cancel anytime). Pro Lifetime: $49 once during early access (then $89). Pro Team: $149 once during early access (then $249), up to 10 developers.
Key features
  • 65+ CSS-only components
  • WCAG AA/AAA accessibility compliance
  • CSS variables theming system
  • Framework-agnostic (React, Vue, Angular, Django, Laravel, HTMX)
  • 100/100 PageSpeed score achievable
  • Semantic HTML component classes
  • RTL language support
  • W3C web standards compliant
  • Plugin system with Markdown editor
  • Responsive design for all screen sizes
  • Agent views including graphs, tool calls, approvals and plans
  • Chat interfaces with AI answer, message actions and composer
  • Blocks and templates for app screens and marketing sections
  • Animated backgrounds and text animations
  • SDK adapters for Claude Agent SDK, Vercel AI SDK and OpenAI Agents SDK
  • MCP server with semantic docs search
  • 45 base components including buttons, menus, dialogs and data tables
  • Run store and event types for managing agent state
What makes it different
  • Zero JavaScript required - pure CSS components work without JavaScript runtime overhead
  • Superior to alternatives - CSS-only like DaisyUI but guaranteed WCAG AA/AAA accessibility on every component
  • Simple CSS variable theming with instant updates - no rebuild needed
  • Lightweight alternative to component libraries with heavy JavaScript dependencies
  • Semantic classes reduce HTML clutter compared to plain Tailwind utility chains
  • Source code installed directly into your repo, fully owned and customizable
  • Free tier with 123 components, blocks and templates requiring no account or key
  • Works with popular AI frameworks and follows your existing shadcn theme
  • Pay once lifetime or monthly during early access with no renewal required
  • AI-ready documentation searchable by Claude Code, Cursor and VS Code
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check6 no change since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)1914
Referring domains (Majestic)381

4 details filled in for both companies.

More alternatives to Frutjam More alternatives to Knowns UI

Ask us