Bun vs htmx

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

Bun compared with htmx
Detail	Bun	htmx
What it does	A fast all-in-one JavaScript runtime	High power tools for HTML
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	free	Not given
Pricing	Not given	Not given
Key features	JavaScript and TypeScript runtime on JavaScriptCore Fast npm-compatible package manager Jest-compatible test runner Built-in bundler for TypeScript, JSX, CSS and HTML HTTP server with routing and WebSocket support PostgreSQL and Redis clients built-in S3-compatible object storage client Shell scripting with Bun.$ Password hashing with argon2 and bcrypt Single-file executable compilation	AJAX requests CSS Transitions WebSockets support Server Sent Events HTML attribute-based API
What makes it different	All-in-one toolkit combining runtime, package manager, test runner and bundler in one binary Up to 30× faster package installation than npm, yarn and pnpm Built-in batteries including HTTP, WebSockets, SQL, Redis, S3 and shell clients Significant memory efficiency compared to Node.js and Deno Full Node.js API compatibility with existing projects	Small library (~16k min.gz'd) Dependency-free 67% smaller code base than react Extends HTML capabilities directly
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)	83 no change since last check	78 no change since last check
Trust Flow (Majestic)	36	41
Citation Flow (Majestic)	53	52
Referring domains (Majestic)	7711	5744

3 details filled in for both companies.