HTMXvs
Alpine.js
Alpine.js: Lightweight JavaScript framework for adding interactivity within HTML
HTMX
Lightweight JavaScript library enabling AJAX, WebSockets, and server-sent events in HTML
As of 29 August 2026, HTMX is free to use. HTMX is a lightweight JavaScript library (16KB minified/gzipped) that extends HTML with attributes for accessing modern browser features like AJAX, CSS transitions, WebSockets, and server-sent events. Softwr lists it under Web Development. HTMX is made by Big Sky Software, launched in 2020, available on Web.
Overview
What HTMX does
HTMX is a minimal, pragmatic JavaScript library that brings modern interactivity capabilities directly into HTML markup through declarative attributes. Rather than building applications with extensive JavaScript frameworks, HTMX enables developers to add interactivity by using HTML attributes like hx-get, hx-post, hx-put, hx-patch, and hx-delete to make HTTP requests, along with hx-target to specify which elements to update and hx-swap to control how responses are inserted into the DOM. The library removes traditional constraints by allowing any HTML element to make requests, supporting all HTTP methods beyond GET and POST, and enabling targeted updates of specific page sections rather than full-page replacements. At just 16 kilobytes minified and gzipped with zero dependencies, HTMX is significantly smaller than modern JavaScript frameworks. Real-world implementations have reported reducing codebase complexity by 67 percent compared to React. The library maintains REST principles by working with HTML fragments returned from servers rather than JSON APIs, keeping applications within the original web programming model.
What people use it for
- Building interactive applications without JavaScript framework complexity
- Server-rendered applications requiring dynamic updates
- Adding interactivity to existing server-side applications
- Hypermedia-driven applications using HTML-first approaches
Related searches
The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about HTMX.
- Best suited for server-rendered architectures, not pure client-side SPAs
- Limited client-side state management capabilities compared to frameworks
- Smaller ecosystem with fewer third-party libraries and tools
- Learning curve for developers from JavaScript framework backgrounds
Cross-shopped
What people choose instead of HTMX
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
- HTMXvsReact
React: Comprehensive JavaScript library for building interactive user interfaces
Capabilities
Features
AJAX requests
Make HTTP requests from any HTML element
HTTP verb support
Support for GET, POST, PUT, PATCH, DELETE
DOM targeting
Target any element for updates via CSS selectors
Swap strategies
Multiple swap strategies: innerHTML, outerHTML, beforeend, morphing
WebSocket support
WebSocket integration for real-time bidirectional communication
Server-sent events
SSE integration for server-to-client streaming
Out-of-band updates
Update multiple elements from single response
Answered, with sources
Questions people ask
Each answer names the page it came from, so you can check it rather than take our word for it.
How big is the HTMX JavaScript library?
HTMX is only 16 kilobytes minified and gzipped with zero external dependencies.
SourceCan HTMX work with JSON APIs?
While HTMX is optimized for HTML responses, it can work with JSON through additional configuration and response handling.
SourceDoes HTMX support real-time features like WebSockets?
Yes, HTMX includes support for WebSockets and server-sent events for real-time bidirectional communication.
SourceKeep looking
Where to go from HTMX
- HTMX alternativesEvery product people weigh against it
- HTMX pricingPlans, floors and what the tiers exclude
- HTMX badgesWhich rules it meets, and the figure behind each
- All Web Development softwareThe full category
- Best Web Development softwareThe shortlist, and how it was cut
Best Web Development software for
Compare HTMX with
- Alpine.js
- React
- Flask
- FastAPI
- Lit
- Vue.js
- Tailwind CSS
- Remix
- Astro
- MUI
- Angular
- Chakra UI
- Strikingly
- Svelte
- Turbopack
- TypeScript
- Nginx
- Radix UI
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Softwr does not host reviews and shows no star rating for HTMX, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
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Best Web Development software alternatives
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