
Vite
Webpack
rollup.js
Parcel
Next.js
Node.js
React
An extremely fast JavaScript bundler and minifier

AgentGatePay
x402
Real-world tasks your agent can't do alone.

Which is more popular?
Based on our record, esbuild seems to be a lot more popular than Underscore Done. While we know about 154 links to esbuild, we've tracked only 1 mention of Underscore Done.
Website, pricing, platforms and company facts side by side.
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| Website | esbuild.github.io | underscoredone.com |
| Pricing | ||
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of esbuild yet.
Underscore Done (_done) is a suite of pay-per-call utility APIs built for AI agents. No API keys, no subscriptions - agents pay per request with USDC via the x402 protocol
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Esbuild is recommended for developers who work on large projects and need a bundler that can significantly reduce build times. It is ideal for those who prefer using cutting-edge tools and technologies in their workflow. Additionally, it's suitable for developers who need to support modern JavaScript features and are looking for a straightforward configuration process.
No analysis of Underscore Done yet.
Walkthroughs and reviews on video.
ESBuild and SWC: Worth your time?
More videos
No Underscore Done videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing esbuild and Underscore Done.
Underscore Done's answer:
We provide data and actions that AI cannot achieve.
Also we don't require accounts, registration, api keys. And we charge per usage and never charge monthly subscriptions.
Underscore Done's answer:
Ai Agents that work on behalf of people.
Share your experience with using esbuild and Underscore Done. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Build: the application builder (esbuild and Vite) is the default. Moving an older app off the webpack builder usually cuts build times a lot. Ng update offers the migration. - Source: dev.to / about 14 hours ago
Vite uses esbuild written in Go, absurdly fast to pre-process your node_modules dependencies. - Source: dev.to / 5 months ago
The Metadata section tells SAM how to build your TypeScript code. Instead of running tsc and bundling manually, SAM uses esbuild — a JavaScript/TypeScript bundler. It compiles your TypeScript, minifies the output, generates sourcemaps... - Source: dev.to / 6 months ago
_done is a catalog of small, pay-per-call utility APIs aimed at AI agents: things like DNS and WHOIS lookups, screenshots, OCR, hashing, QR codes, and SEO extraction. Every call costs one cent in USDC over x402. There's no account and no... - Source: dev.to / about 1 month ago
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Rollup is a module bundler for JavaScript which compiles small pieces of code into a larger piece such as application.
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Blazing fast, zero configuration web application bundler
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