Datasets:
Add 26,183 packages (43,817 total, @evocateur/libnpmaccess through @fontsource/rosario)
Browse files- README.md +49 -49
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- data/keywords/0000.parquet +2 -2
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README.md
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This dataset contains a comprehensive snapshot of the [npm registry](https://www.npmjs.com), the default package manager for Node.js and the largest software package registry in the world. npm hosts millions of packages and serves billions of downloads every week. If you have ever run `npm install`, you have used the registry that this dataset mirrors.
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The archive currently contains **
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We built this dataset because npm registry data is scattered across four separate APIs (registry, replication, downloads, search), each with different rate limits, pagination schemes, and response formats. Researchers studying the JavaScript ecosystem typically need to build their own crawlers and deal with these complexities from scratch. Having everything in a single, queryable Parquet archive makes it straightforward to analyze the JavaScript ecosystem at scale. No API keys, no rate limits, no pagination.
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| Table | Rows | Description |
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|-------|-----:|-------------|
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| packages |
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| versions |
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| maintainers |
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| keywords |
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| dependencies |
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| downloads | 0 | Point download totals (last-day, last-week, last-month) |
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| download_days | 0 | Daily download counts for sparkline charts |
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| version_downloads | 0 | Per-version download breakdown |
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**Versions per package:** median
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Most packages ship only a handful of releases, but some heavily maintained libraries have hundreds.
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**ESM adoption:**
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**TypeScript:**
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**README coverage:**
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## Crawl in progress
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This dataset is being actively built. Our crawler is working its way through the entire npm registry — all 3,
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So far we have crawled **
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At the current pace, we expect the initial crawl to finish around **Apr 13, 2026
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## Ecosystem snapshot
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| License | Packages |
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|---|---:|
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| Apache-2.0 |
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### Most used keywords
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| Keyword | Packages |
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|---|---:|
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### Dependency type breakdown
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| Type | Count |
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| dev |
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| runtime |
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| bundled |
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## How to download and use this dataset
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For questions, feedback, or issues, please open a discussion on the [Community tab](https://huggingface.co/datasets/open-index/open-npm/discussions).
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*Last updated: 2026-04-11 08:
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This dataset contains a comprehensive snapshot of the [npm registry](https://www.npmjs.com), the default package manager for Node.js and the largest software package registry in the world. npm hosts millions of packages and serves billions of downloads every week. If you have ever run `npm install`, you have used the registry that this dataset mirrors.
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The archive currently contains **43,817 packages** with **1,131,958 published versions**, maintained by **19,816 unique maintainers**. Every field needed to recreate the npmjs.com package detail page is included: core metadata, all historical versions, maintainer lists, keyword tags, dependency graphs, download statistics, and search quality scores.
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We built this dataset because npm registry data is scattered across four separate APIs (registry, replication, downloads, search), each with different rate limits, pagination schemes, and response formats. Researchers studying the JavaScript ecosystem typically need to build their own crawlers and deal with these complexities from scratch. Having everything in a single, queryable Parquet archive makes it straightforward to analyze the JavaScript ecosystem at scale. No API keys, no rate limits, no pagination.
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| Table | Rows | Description |
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|-------|-----:|-------------|
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| packages | 43,817 | One row per package: name, description, license, readme, author, types, scores |
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| versions | 1,131,958 | Every published version: entry points, dist info, engine requirements |
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| maintainers | 87,372 | Package-maintainer relationships |
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| keywords | 143,114 | Package-keyword relationships |
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| dependencies | 441,561 | Runtime, dev, peer, optional, and bundled dependencies |
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| downloads | 0 | Point download totals (last-day, last-week, last-month) |
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| download_days | 0 | Daily download counts for sparkline charts |
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| version_downloads | 0 | Per-version download breakdown |
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**Versions per package:** median 2, p90 39, p99 438, max 8,854 (average 25.8).
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Most packages ship only a handful of releases, but some heavily maintained libraries have hundreds.
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**ESM adoption:** 21.6% of packages set `"type": "module"` in their package.json.
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**TypeScript:** 34.7% of packages bundle their own type declarations.
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**README coverage:** 92.1% of packages include a README.
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## Crawl in progress
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This dataset is being actively built. Our crawler is working its way through the entire npm registry — all 3,921,053 known packages — fetching full metadata, every published version, maintainer lists, keywords, and dependency graphs for each one.
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So far we have crawled **416,078** of **3,921,053** packages (10.6%), with **3,504,975** remaining. The crawler is running at roughly **22 packages per second**.
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At the current pace, we expect the initial crawl to finish around **Apr 13, 2026 04:46 UTC**. Once complete, this notice will disappear and the dataset will reflect the full registry. We publish incremental snapshots every 30 minutes, so the data you see here is already usable — it just isn't the whole picture yet.
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## Ecosystem snapshot
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| License | Packages |
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|---|---:|
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| MIT | 19,229 |
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| ISC | 12,615 |
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| Apache-2.0 | 1,719 |
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| OFL-1.1 | 1,698 |
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| SEE LICENSE IN README.md | 790 |
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| UNLICENSED | 414 |
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| AGPL-3.0-or-later | 336 |
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| BSD-3-Clause | 204 |
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| GPL-3.0-or-later | 159 |
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| GPL-3.0 | 145 |
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### Most used keywords
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| Keyword | Packages |
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|---|---:|
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| font | 2,546 |
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| css | 2,010 |
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| web | 1,928 |
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| sass | 1,782 |
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| front-end | 1,776 |
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| fontsource | 1,743 |
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| font family | 1,742 |
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| google fonts | 1,742 |
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| typeface | 1,739 |
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| variable | 1,726 |
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| typescript | 1,355 |
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| react | 1,289 |
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| fonts | 799 |
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| cli | 608 |
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| javascript | 571 |
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| mcp | 438 |
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| api | 417 |
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| ai | 413 |
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| plugin | 406 |
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| vue | 383 |
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### Dependency type breakdown
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| Type | Count |
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|---|---:|
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| dev | 224,221 |
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| runtime | 192,330 |
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| peer | 23,760 |
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| optional | 877 |
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| bundled | 373 |
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## How to download and use this dataset
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For questions, feedback, or issues, please open a discussion on the [Community tab](https://huggingface.co/datasets/open-index/open-npm/discussions).
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*Last updated: 2026-04-11 08:47 UTC*
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