h3
npmv2.0.1-rc.31TypeScriptMinimal H(TTP) framework built for high performance and portability.
Safe to adopt
Yes — h3 scores well across adoption, maintenance, weight, supply chain, and licensing. 34.2M downloads per week and 8 known dependents. Last published 6 days ago. 50 releases in the last 2 years.
- AAdoption: grade A, Excellent.
34.2M downloads per week and 8 known dependents.
- AMaintenance: grade A, Excellent.
Last published 6 days ago. 50 releases in the last 2 years.
- AWeight: grade A, Excellent.
Pulls in 2 transitive packages, about 888 KB installed.
- BSupply chain: grade B, Good.
This package has a single maintainer (bus factor of 1).
- ALicense: grade A, Excellent.
MIT — permissive, with no copyleft found in the dependency tree.
Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.
Install cost
What you actually take on by adding h3 to a project.
Runtime packages this one declares itself.
Distinct packages in the full runtime tree, deduplicated the way a package manager would.
Unpacked size of this package plus its entire runtime tree.
Longest resolved dependency chain below this package.
Licenses in the dependency tree
Every license you inherit by installing h3, not just its own. Check this before a legal review, not after.
Compatibility
- Node.js
- node >=20.11.1
- Module format
- ESM only
- TypeScript
- Types included
- Install scripts
- None
Dependencies
Declared by h3 v2.0.1-rc.31. Runtime dependencies are installed with the package; dev dependencies are not.
Runtime (2)
Peer (2)
Dev (39)
Used by
Popular packages that depend on h3.
Minimal H(TTP) framework built for high performance and portability.
Hub layer that orchestrates devframe docks, terminals, messages, and commands on any host.
Framework for building one portable devtool integration that runs in any viewer.
Devframe plugin that inspects the RPC registry, shared state, and agent surface of a connection.
Devframe plugin for browsing, filtering, and dismissing the hub message feed.
Devframe plugin providing terminal panels for streamed output and interactive PTY shells.
Vite DevTools
Cross-platform WebSocket Servers for Node.js, Deno, Bun and Cloudflare Workers
Relationship graph
Dependencies (left) and dependents (right) of h3.
Frequently installed together
Framework for building one portable devtool integration that runs in any viewer.
Native-ESM powered web dev build tool
Simple yet powerful framework for building command-line apps.
Hub layer that orchestrates devframe docks, terminals, messages, and commands on any host.
Get an available TCP port to listen
Structured diagnostic code library
Next generation testing framework powered by Vite
The progressive JavaScript framework for building modern web UI.
Let’s get serious about color
TypeScript definitions for node
Universal filesystem path utils
A family of specs for interoperable TypeScript
Release history
50 releases in the last two years, typically about 2 days apart.
| Version | Published | Size | License |
|---|---|---|---|
| 2.0.1-rc.31latest | 6 days ago | 629 KB | MIT |
| 2.0.1-rc.30 | 7 days ago | 624 KB | MIT |
| 2.0.1-rc.29 | 20 days ago | 646 KB | MIT |
| 2.0.1-rc.28 | 20 days ago | 644 KB | MIT |
| 2.0.1-rc.27 | 21 days ago | 640 KB | MIT |
| 2.0.1-rc.26 | 1 month ago | 501 KB | MIT |
| 2.0.1-rc.25 | 2 months ago | 461 KB | MIT |
| 2.0.1-rc.24 | 2 months ago | 445 KB | MIT |
| 2.0.1-rc.23 | 2 months ago | 428 KB | MIT |
| 2.0.1-rc.22 | 4 months ago | 420 KB | MIT |
| 2.0.1-rc.21 | 4 months ago | 420 KB | MIT |
| 1.15.11 | 5 months ago | 517 KB | MIT |
| 2.0.1-rc.20 | 5 months ago | 420 KB | MIT |
| 2.0.1-rc.19 | 5 months ago | 426 KB | MIT |
| 1.15.10 | 5 months ago | 517 KB | MIT |
Overview
h3 is an npm package that minimal H(TTP) framework built for high performance and portability. It is extremely widely used, with about 34.2M downloads per week and 8 known dependents in the graph. The latest version is 2.0.1-rc.31, released under the MIT license.
Who should use it
Teams working in the npm ecosystem who need minimal H(TTP) framework built for high performance and portability and value a battle-tested, widely-adopted solution.
When not to use it
Consider an alternative if you need to minimize your dependency tree, or if a more actively-maintained option better fits your npm stack.
Pros
- Large, well-established user base (34.2M weekly downloads).
- Ships TypeScript type definitions.
- Clear open-source license (MIT).
Cons
- Large dependency tree (43 direct dependencies) increases install size and audit surface.
Auto-generated from collected registry metadata. No external claims are inferred.
Maintainers
Frequently asked questions
Should I use h3?
Yes — h3 scores well across adoption, maintenance, weight, supply chain, and licensing. 34.2M downloads per week and 8 known dependents. Last published 6 days ago. 50 releases in the last 2 years.
How do I install h3?
Run `npm install h3` to add h3 to your npm project.
How many dependencies does h3 have?
h3 declares 43 direct dependencies and pulls in 2 packages in total once its runtime tree is resolved totalling about 888 KB on disk.
What license is h3 released under?
h3 is distributed under the MIT license.
How popular is h3?
h3 has approximately 34,177,545 downloads per week and 8 known dependent packages.
Is h3 still maintained?
The most recent release of h3 (v2.0.1-rc.31) was published 6 days ago.
Does h3 run install scripts?
No. h3 does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.