htmx vs HeroUI

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

htmx compared with HeroUI
Detail	htmx	HeroUI
What it does	High power tools for HTML	Beautiful by default. Customizable by design.
Stage	Not given	Growing
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	free
Pricing	Not given	Not given
Key features	AJAX requests CSS Transitions WebSockets support Server Sent Events HTML attribute-based API	React Aria Components integration Tailwind CSS v4 integration Customizable composition Typed developer APIs Component documentation and examples Official CLI tool MCP packages for coding agents React Native mobile components
What makes it different	Small library (~16k min.gz'd) Dependency-free 67% smaller code base than react Extends HTML capabilities directly	Modern alternative to MUI, Chakra UI, and shadcn/ui Built-in accessibility with React Aria Fully open source and inspectable Developer-focused documentation for coding agents
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	78 no change since last check	72 no change since last check
Trust Flow (Majestic)	41	25
Citation Flow (Majestic)	52	47
Referring domains (Majestic)	5744	1672

3 details filled in for both companies.