An open API service providing repository metadata for many open source software ecosystems.

Package Usage: npm

unique-string 3.0.0
Generate a unique random string
656 dependent repositories - 3 versions - Latest release: about 4 years ago - 610 dependent packages - 72,278,406 downloads last month
postcss-normalize-repeat-style 7.0.0
Convert two value syntax for repeat-style into one value.
655 dependent repositories - 36 versions - Latest release: about 1 year ago - 237 dependent packages - 44,221,326 downloads last month
postcss-normalize-positions 7.0.0
Normalize keyword values for position into length values.
655 dependent repositories - 36 versions - Latest release: about 1 year ago - 240 dependent packages - 42,661,656 downloads last month
postcss-normalize-string 7.0.0
Normalize wrapping quotes for CSS string literals.
655 dependent repositories - 35 versions - Latest release: about 1 year ago - 237 dependent packages - 42,458,746 downloads last month
postcss-normalize-unicode 7.0.0
Normalize unicode-range descriptors, and can convert to wildcard ranges.
655 dependent repositories - 39 versions - Latest release: about 1 year ago - 233 dependent packages - 44,384,307 downloads last month
arg 5.0.2
Unopinionated, no-frills CLI argument parser
655 dependent repositories - 14 versions - Latest release: about 3 years ago - 3,711 dependent packages - 144,148,598 downloads last month
postcss-normalize-display-values 7.0.0
Normalize multiple value display syntaxes into single values.
655 dependent repositories - 34 versions - Latest release: about 1 year ago - 238 dependent packages - 44,009,179 downloads last month
postcss-normalize-timing-functions 7.0.0
Normalize CSS animation/transition timing functions.
655 dependent repositories - 34 versions - Latest release: about 1 year ago - 235 dependent packages - 44,009,977 downloads last month
cssnano-preset-default 7.0.1
Safe defaults for cssnano which require minimal configuration.
655 dependent repositories - 78 versions - Latest release: about 1 year ago - 334 dependent packages - 44,793,354 downloads last month
css-declaration-sorter 7.2.0
Sorts CSS declarations fast and automatically in a certain order.
655 dependent repositories - 45 versions - Latest release: about 1 year ago - 279 dependent packages - 43,929,901 downloads last month
caller-path 4.0.0
Get the path of the caller function
655 dependent repositories - 6 versions - Latest release: over 3 years ago - 692 dependent packages - 27,409,919 downloads last month
is-promise 4.0.0
Test whether an object looks like a promises-a+ promise
655 dependent repositories - 9 versions - Latest release: about 5 years ago - 1,163 dependent packages - 40,156,009 downloads last month
@jest/fake-timers 29.7.0

653 dependent repositories - 117 versions - Latest release: almost 2 years ago - 46 dependent packages - 116,671,910 downloads last month
@jest/environment 29.7.0

651 dependent repositories - 122 versions - Latest release: almost 2 years ago - 128 dependent packages - 114,987,354 downloads last month
@types/eslint-scope 3.7.7
TypeScript definitions for eslint-scope
649 dependent repositories - 8 versions - Latest release: over 1 year ago - 94 dependent packages - 46,037,469 downloads last month
@jest/source-map 29.6.3

649 dependent repositories - 54 versions - Latest release: almost 2 years ago - 14 dependent packages - 106,251,115 downloads last month
@jest/test-result 29.7.0

649 dependent repositories - 111 versions - Latest release: almost 2 years ago - 157 dependent packages - 122,931,367 downloads last month
@jest/console 29.7.0

649 dependent repositories - 108 versions - Latest release: almost 2 years ago - 53 dependent packages - 116,329,272 downloads last month
p-retry 6.2.0
Retry a promise-returning or async function
646 dependent repositories - 20 versions - Latest release: over 1 year ago - 1,019 dependent packages - 63,950,622 downloads last month
@babel/plugin-bugfix-safari-id-destructuring-collision-in-function-expression 7.24.1
Rename destructuring parameter to workaround https://bugs.webkit.org/show_bug.cgi?id=220517
644 dependent repositories - 31 versions - Latest release: about 1 year ago - 7 dependent packages - 90,545,267 downloads last month
@jest/reporters 29.7.0
Jest's reporters
644 dependent repositories - 133 versions - Latest release: almost 2 years ago - 174 dependent packages - 98,059,270 downloads last month
@jest/core 29.7.0
Delightful JavaScript Testing.
643 dependent repositories - 144 versions - Latest release: almost 2 years ago - 106 dependent packages - 100,350,813 downloads last month
@types/normalize-package-data 2.4.4
TypeScript definitions for normalize-package-data
643 dependent repositories - 5 versions - Latest release: over 1 year ago - 139 dependent packages - 73,150,004 downloads last month
@jest/test-sequencer 29.7.0

641 dependent repositories - 132 versions - Latest release: almost 2 years ago - 110 dependent packages - 101,929,056 downloads last month
has-proto 1.0.3
Does this environment have the ability to get the [[Prototype]] of an object on creation with `__...
637 dependent repositories - 4 versions - Latest release: over 1 year ago - 456 dependent packages - 184,029,469 downloads last month
@types/prop-types 15.7.12
TypeScript definitions for prop-types
636 dependent repositories - 24 versions - Latest release: about 1 year ago - 2,864 dependent packages - 90,419,446 downloads last month
array.prototype.flatmap 1.3.2
An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far do...
635 dependent repositories - 13 versions - Latest release: almost 2 years ago - 1,289 dependent packages - 99,898,356 downloads last month
num2fraction 1.2.2
Convert number to fraction
634 dependent repositories - 6 versions - Latest release: almost 10 years ago - 161 dependent packages - 19,186,923 downloads last month
ignore-walk 6.0.5
Nested/recursive `.gitignore`/`.npmignore` parsing and filtering.
634 dependent repositories - 26 versions - Latest release: about 1 year ago - 291 dependent packages - 40,924,167 downloads last month
is-absolute-url 4.0.1
Check if a URL is absolute
634 dependent repositories - 10 versions - Latest release: almost 4 years ago - 507 dependent packages - 43,143,671 downloads last month
is-path-in-cwd 4.0.0
Check if a path is in the current working directory
633 dependent repositories - 8 versions - Latest release: about 4 years ago - 195 dependent packages - 23,010,832 downloads last month
lowercase-keys 3.0.0
Lowercase the keys of an object
628 dependent repositories - 4 versions - Latest release: over 3 years ago - 593 dependent packages - 97,077,222 downloads last month
gopd 1.0.1
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
628 dependent repositories - 1 version - Latest release: over 2 years ago - 448 dependent packages - 171,327,494 downloads last month
ip-regex 5.0.0
Regular expression for matching IP addresses (IPv4 & IPv6)
628 dependent repositories - 12 versions - Latest release: over 3 years ago - 486 dependent packages - 32,659,513 downloads last month
parallel-transform 1.2.0
Transform stream that allows you to run your transforms in parallel without changing the order
627 dependent repositories - 11 versions - Latest release: almost 6 years ago - 350 dependent packages - 20,026,245 downloads last month
cyclist 1.0.2
Cyclist is an efficient cyclic list implemention.
627 dependent repositories - 8 versions - Latest release: about 2 years ago - 299 dependent packages - 20,720,214 downloads last month
iferr 1.0.2
Higher-order functions for easier error handling
627 dependent repositories - 9 versions - Latest release: almost 7 years ago - 347 dependent packages - 20,402,002 downloads last month
pretty-error 4.0.0
See nodejs errors with less clutter
627 dependent repositories - 35 versions - Latest release: over 3 years ago - 1,010 dependent packages - 47,757,130 downloads last month
encoding 0.1.13
Convert encodings, uses iconv-lite
627 dependent repositories - 13 versions - Latest release: almost 5 years ago - 937 dependent packages - 64,219,621 downloads last month
dom-converter 0.2.0
converts bare objects to DOM objects or xml representations
626 dependent repositories - 6 versions - Latest release: almost 7 years ago - 190 dependent packages - 41,505,625 downloads last month
utila 0.4.0
notareplacementforunderscore
626 dependent repositories - 10 versions - Latest release: over 10 years ago - 203 dependent packages - 42,212,014 downloads last month
simple-swizzle 0.2.2
Simply swizzle your arguments
626 dependent repositories - 4 versions - Latest release: over 8 years ago - 151 dependent packages - 72,940,321 downloads last month
renderkid 3.0.0
Stylish console.log for node
626 dependent repositories - 26 versions - Latest release: over 3 years ago - 206 dependent packages - 47,639,135 downloads last month
damerau-levenshtein 1.0.8
Damerau - Levenshtein distance by The Spanish Inquisition + relative distance
626 dependent repositories - 11 versions - Latest release: over 3 years ago - 257 dependent packages - 57,878,546 downloads last month
handlebars 4.7.8
Handlebars provides the power necessary to let you build semantic templates effectively with no f...
625 dependent repositories - 80 versions - Latest release: almost 2 years ago - 15,556 dependent packages - 63,987,633 downloads last month
pretty-bytes 6.1.1
Convert bytes to a human readable string: 1337 → 1.34 kB
624 dependent repositories - 26 versions - Latest release: almost 2 years ago - 2,609 dependent packages - 58,380,190 downloads last month
ast-types-flow 0.0.8
Flow types for the Javascript AST
624 dependent repositories - 8 versions - Latest release: about 2 years ago - 547 dependent packages - 60,048,477 downloads last month
eslint-plugin-prettier 5.1.3
Runs prettier as an eslint rule
624 dependent repositories - 41 versions - Latest release: over 1 year ago - 101,897 dependent packages - 65,891,645 downloads last month
fs-write-stream-atomic 1.0.10 deprecated
Like `fs.createWriteStream(...)`, but atomic.
623 dependent repositories - 11 versions - Latest release: over 8 years ago - 352 dependent packages - 19,467,887 downloads last month
mississippi 4.0.0
a collection of useful streams
623 dependent repositories - 10 versions - Latest release: about 6 years ago - 467 dependent packages - 21,039,803 downloads last month
got 14.2.1
Human-friendly and powerful HTTP request library for Node.js
623 dependent repositories - 177 versions - Latest release: over 1 year ago - 9,787 dependent packages - 88,600,915 downloads last month
browser-process-hrtime 1.0.0
Shim for process.hrtime in the browser
622 dependent repositories - 8 versions - Latest release: over 6 years ago - 601 dependent packages - 40,171,577 downloads last month
query-string 9.0.0
Parse and stringify URL query strings
621 dependent repositories - 82 versions - Latest release: over 1 year ago - 7,882 dependent packages - 52,873,258 downloads last month
@types/glob 8.1.0
TypeScript definitions for glob
621 dependent repositories - 28 versions - Latest release: over 2 years ago - 7,895 dependent packages - 61,006,807 downloads last month
babel-runtime 6.26.0
babel selfContained runtime
621 dependent repositories - 191 versions - Latest release: almost 8 years ago - 31,333 dependent packages - 31,364,037 downloads last month
quick-lru 7.0.0
Simple “Least Recently Used” (LRU) cache
620 dependent repositories - 16 versions - Latest release: almost 2 years ago - 939 dependent packages - 95,422,063 downloads last month
opn 6.0.0
Open stuff like URLs, files, executables. Cross-platform.
620 dependent repositories - 22 versions - Latest release: about 6 years ago - 7,686 dependent packages - 18,757,370 downloads last month
@sinonjs/commons 3.0.1
Simple functions shared among the sinon end user libraries
620 dependent repositories - 25 versions - Latest release: over 1 year ago - 18 dependent packages - 133,047,214 downloads last month
worker-farm 1.7.0
Distribute processing tasks to child processes with an über-simple API and baked-in durability & ...
620 dependent repositories - 22 versions - Latest release: about 6 years ago - 509 dependent packages - 17,836,799 downloads last month
copy-concurrently 1.0.5 deprecated
Promises of copies of files, directories and symlinks, with concurrency controls and win32 juncti...
618 dependent repositories - 6 versions - Latest release: almost 8 years ago - 300 dependent packages - 18,206,800 downloads last month
run-queue 2.0.1
A promise based, dynamic priority queue runner, with concurrency limiting.
618 dependent repositories - 6 versions - Latest release: over 6 years ago - 285 dependent packages - 19,911,470 downloads last month
@tootallnate/once 3.0.0
Creates a Promise that waits for a single event
618 dependent repositories - 6 versions - Latest release: over 3 years ago - 37 dependent packages - 121,078,669 downloads last month
defaults 3.0.0
Easily handle defaults for your options
618 dependent repositories - 9 versions - Latest release: over 1 year ago - 1,246 dependent packages - 93,070,303 downloads last month
move-concurrently 1.0.1 deprecated
Promises of moves of files or directories with rename, falling back to recursive rename/copy on E...
618 dependent repositories - 2 versions - Latest release: over 8 years ago - 307 dependent packages - 18,598,993 downloads last month
npm-packlist 8.0.2
Get a list of the files to add from a folder into an npm package
617 dependent repositories - 63 versions - Latest release: over 1 year ago - 487 dependent packages - 38,797,931 downloads last month
npm-bundled 3.0.1
list things in node_modules that are bundledDependencies, or transitive dependencies thereof
617 dependent repositories - 15 versions - Latest release: about 1 year ago - 167 dependent packages - 39,730,649 downloads last month
jest-environment-jsdom 29.7.0

617 dependent repositories - 274 versions - Latest release: almost 2 years ago - 8,956 dependent packages - 64,491,963 downloads last month
stream-each 1.2.3
Iterate all the data in a stream
615 dependent repositories - 10 versions - Latest release: almost 7 years ago - 322 dependent packages - 18,679,047 downloads last month
promise 8.3.0
Bare bones Promises/A+ implementation
615 dependent repositories - 33 versions - Latest release: over 2 years ago - 7,398 dependent packages - 62,828,879 downloads last month
gzip-size 7.0.0
Get the gzipped size of a string or buffer
614 dependent repositories - 18 versions - Latest release: over 3 years ago - 2,565 dependent packages - 46,991,400 downloads last month
string.prototype.matchall 4.0.11
Spec-compliant polyfill for String.prototype.matchAll
613 dependent repositories - 17 versions - Latest release: about 1 year ago - 802 dependent packages - 78,177,341 downloads last month
w3c-hr-time 1.0.2 deprecated
An implementation of the W3C High Resolution Time Level 2 specification.
612 dependent repositories - 3 versions - Latest release: over 5 years ago - 515 dependent packages - 42,179,324 downloads last month
@bcoe/v8-coverage 0.2.3
Helper functions for V8 coverage files.
610 dependent repositories - 5 versions - Latest release: almost 6 years ago - 17 dependent packages - 94,247,434 downloads last month
html-webpack-plugin 5.6.0
Simplifies creation of HTML files to serve your webpack bundles
607 dependent repositories - 138 versions - Latest release: over 1 year ago - 65,055 dependent packages - 49,057,390 downloads last month
portfinder 1.0.32
A simple tool to find an open port on the current machine
604 dependent repositories - 38 versions - Latest release: almost 3 years ago - 8,122 dependent packages - 30,711,598 downloads last month
for-each 0.3.3
A better forEach
604 dependent repositories - 4 versions - Latest release: about 7 years ago - 605 dependent packages - 137,173,974 downloads last month
@types/connect 3.4.38
TypeScript definitions for connect
602 dependent repositories - 19 versions - Latest release: over 1 year ago - 436 dependent packages - 96,300,432 downloads last month
bindings 1.5.0
Helper module for loading your native module's .node file
601 dependent repositories - 19 versions - Latest release: over 6 years ago - 3,518 dependent packages - 46,923,525 downloads last month
decimal.js 10.4.3
An arbitrary-precision Decimal type for JavaScript.
600 dependent repositories - 51 versions - Latest release: over 2 years ago - 2,274 dependent packages - 79,864,420 downloads last month
v8-to-istanbul 9.2.0
convert from v8 coverage format to istanbul's format
600 dependent repositories - 55 versions - Latest release: over 1 year ago - 897 dependent packages - 103,818,419 downloads last month
moment 2.30.1
Parse, validate, manipulate, and display dates
599 dependent repositories - 76 versions - Latest release: over 1 year ago - 54,055 dependent packages - 92,549,782 downloads last month
coa 2.0.2
Command-Option-Argument: Yet another parser for command line options.
599 dependent repositories - 29 versions - Latest release: over 6 years ago - 276 dependent packages - 23,656,946 downloads last month
osenv 0.1.5 deprecated
Look up environment settings specific to different operating systems
599 dependent repositories - 9 versions - Latest release: over 7 years ago - 826 dependent packages - 17,737,356 downloads last month
strict-uri-encode 2.0.0
A stricter URI encode adhering to RFC 3986
599 dependent repositories - 5 versions - Latest release: over 8 years ago - 323 dependent packages - 43,718,449 downloads last month
@types/mime 4.0.0
Stub TypeScript definitions entry for mime, which provides its own types definitions
598 dependent repositories - 27 versions - Latest release: about 1 year ago - 1,428 dependent packages - 112,023,805 downloads last month
@types/qs 6.9.15
TypeScript definitions for qs
597 dependent repositories - 37 versions - Latest release: about 1 year ago - 4,796 dependent packages - 108,798,276 downloads last month
@types/q 1.5.8
TypeScript definitions for q
596 dependent repositories - 43 versions - Latest release: over 1 year ago - 556 dependent packages - 26,537,637 downloads last month
minipass-pipeline 1.2.4
create a pipeline of streams using Minipass
596 dependent repositories - 11 versions - Latest release: almost 5 years ago - 250 dependent packages - 58,022,187 downloads last month
minipass-collect 2.0.1
A Minipass stream that collects all the data into a single chunk
596 dependent repositories - 5 versions - Latest release: almost 2 years ago - 235 dependent packages - 68,308,607 downloads last month
minipass-flush 1.0.5
A Minipass stream that calls a flush function before emitting 'end'
596 dependent repositories - 6 versions - Latest release: over 5 years ago - 238 dependent packages - 59,885,622 downloads last month
ajv-errors 3.0.0
Custom error messages in JSON Schemas for Ajv validator
593 dependent repositories - 14 versions - Latest release: about 4 years ago - 773 dependent packages - 25,293,362 downloads last month
file-uri-to-path 2.0.0
Convert a file: URI to a file path
590 dependent repositories - 4 versions - Latest release: over 5 years ago - 488 dependent packages - 52,777,709 downloads last month
@humanwhocodes/module-importer 1.0.1
Universal module importer for Node.js
590 dependent repositories - 2 versions - Latest release: almost 3 years ago - 10 dependent packages - 113,821,529 downloads last month
@types/body-parser 1.19.5
TypeScript definitions for body-parser
589 dependent repositories - 32 versions - Latest release: over 1 year ago - 2,421 dependent packages - 97,733,029 downloads last month
wcwidth 1.0.1
Port of C's wcwidth() and wcswidth()
588 dependent repositories - 3 versions - Latest release: about 9 years ago - 837 dependent packages - 91,130,687 downloads last month
@types/serve-static 1.15.7
TypeScript definitions for serve-static
588 dependent repositories - 34 versions - Latest release: about 1 year ago - 506 dependent packages - 99,415,673 downloads last month
is-directory 0.3.1
Returns true if a filepath exists on the file system and it's directory.
588 dependent repositories - 8 versions - Latest release: about 9 years ago - 688 dependent packages - 25,613,463 downloads last month
buffer-crc32 1.0.0
A pure javascript CRC32 algorithm that plays nice with binary data
588 dependent repositories - 24 versions - Latest release: over 1 year ago - 676 dependent packages - 91,960,159 downloads last month
@types/express-serve-static-core 4.19.0
TypeScript definitions for express-serve-static-core
587 dependent repositories - 106 versions - Latest release: about 1 year ago - 822 dependent packages - 113,416,150 downloads last month
proxy-from-env 1.1.0
Offers getProxyForUrl to get the proxy URL for a URL, respecting the *_PROXY (e.g. HTTP_PROXY) an...
587 dependent repositories - 5 versions - Latest release: over 5 years ago - 674 dependent packages - 147,586,616 downloads last month