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

Package Usage: npm

ripemd160 2.0.2
Compute ripemd160 of bytes or strings.
778 dependent repositories - 8 versions - Latest release: about 7 years ago - 678 dependent packages - 37,128,229 downloads last month
ejs 3.1.10
Embedded JavaScript templates
777 dependent repositories - 75 versions - Latest release: about 1 year ago - 15,041 dependent packages - 75,061,503 downloads last month
builtin-modules 4.0.0
A static list of the Node.js builtin modules from the latest Node.js version
777 dependent repositories - 10 versions - Latest release: about 1 year ago - 1,560 dependent packages - 56,046,037 downloads last month
json-buffer 3.0.1
JSON parse & stringify that supports binary via bops & base64
777 dependent repositories - 15 versions - Latest release: almost 7 years ago - 647 dependent packages - 139,467,612 downloads last month
object.entries 1.1.8
ES2017 spec-compliant Object.entries shim.
777 dependent repositories - 14 versions - Latest release: about 1 year ago - 1,067 dependent packages - 92,564,082 downloads last month
keyv 4.5.4
Simple key-value storage with support for multiple backends
775 dependent repositories - 58 versions - Latest release: over 1 year ago - 1,045 dependent packages - 139,454,178 downloads last month
@types/istanbul-lib-coverage 2.0.6
TypeScript definitions for istanbul-lib-coverage
775 dependent repositories - 8 versions - Latest release: over 1 year ago - 97 dependent packages - 111,437,972 downloads last month
string-length 6.0.0
Get the real length of a string - by correctly counting astral symbols and ignoring ansi escape c...
774 dependent repositories - 14 versions - Latest release: about 2 years ago - 1,120 dependent packages - 117,438,753 downloads last month
file-loader 6.2.0
A file loader module for webpack
774 dependent repositories - 52 versions - Latest release: over 4 years ago - 62,566 dependent packages - 42,163,620 downloads last month
bser 2.1.1
JavaScript implementation of the BSER Binary Serialization
774 dependent repositories - 7 versions - Latest release: over 5 years ago - 953 dependent packages - 96,192,445 downloads last month
fb-watchman 2.0.2
Bindings for the Watchman file watching service
774 dependent repositories - 17 versions - Latest release: over 2 years ago - 1,100 dependent packages - 97,899,397 downloads last month
querystring-es3 0.2.1
Node API compliant querystring module for all browsers. (ES3 compatible)
774 dependent repositories - 4 versions - Latest release: over 10 years ago - 748 dependent packages - 32,979,830 downloads last month
os-browserify 0.3.0
The [os](https://nodejs.org/api/os.html) module from node.js, but for browsers.
773 dependent repositories - 6 versions - Latest release: about 8 years ago - 1,279 dependent packages - 33,990,863 downloads last month
https-browserify 1.0.0
https module compatability for browserify
773 dependent repositories - 3 versions - Latest release: about 8 years ago - 1,328 dependent packages - 34,980,979 downloads last month
timers-browserify 2.0.12
timers module for browserify
773 dependent repositories - 24 versions - Latest release: over 4 years ago - 666 dependent packages - 34,080,805 downloads last month
data-urls 5.0.0
Parses data: URLs
773 dependent repositories - 9 versions - Latest release: over 1 year ago - 595 dependent packages - 94,190,255 downloads last month
get-symbol-description 1.0.2
Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.
773 dependent repositories - 3 versions - Latest release: over 1 year ago - 755 dependent packages - 130,096,102 downloads last month
browserify-aes 1.2.0
aes, for browserify
772 dependent repositories - 27 versions - Latest release: about 7 years ago - 610 dependent packages - 36,449,233 downloads last month
tty-browserify 0.0.1
the tty module from node core for browsers
771 dependent repositories - 2 versions - Latest release: over 7 years ago - 630 dependent packages - 34,464,858 downloads last month
crypto-browserify 3.12.0
implementation of crypto for the browser
771 dependent repositories - 75 versions - Latest release: over 7 years ago - 2,816 dependent packages - 33,842,816 downloads last month
@typescript-eslint/types 7.5.0
Types for the TypeScript-ESTree AST spec
771 dependent repositories - 3,048 versions - Latest release: about 1 year ago - 178 dependent packages - 217,647,455 downloads last month
vm-browserify 1.1.2
vm module for the browser
771 dependent repositories - 10 versions - Latest release: over 5 years ago - 703 dependent packages - 31,118,763 downloads last month
domain-browser 5.7.0
Node's domain module for the web browser. This is merely an evented try...catch with the same API...
771 dependent repositories - 91 versions - Latest release: over 1 year ago - 540 dependent packages - 34,336,326 downloads last month
@typescript-eslint/visitor-keys 7.8.0
Visitor keys used to help traverse the TypeScript-ESTree AST
771 dependent repositories - 3,016 versions - Latest release: about 1 year ago - 33 dependent packages - 205,598,147 downloads last month
rollup 4.17.2
Next-generation ES module bundler
771 dependent repositories - 820 versions - Latest release: about 1 year ago - 130,345 dependent packages - 105,517,899 downloads last month
des.js 1.1.0
DES implementation
770 dependent repositories - 3 versions - Latest release: about 2 years ago - 364 dependent packages - 38,576,617 downloads last month
create-hash 1.2.0
create hashes for browserify
769 dependent repositories - 8 versions - Latest release: about 7 years ago - 1,497 dependent packages - 36,942,093 downloads last month
buffer-xor 2.0.2
A simple module for bitwise-xor on buffers
769 dependent repositories - 7 versions - Latest release: almost 8 years ago - 475 dependent packages - 35,670,710 downloads last month
cipher-base 1.0.4
abstract base class for crypto-streams
769 dependent repositories - 5 versions - Latest release: almost 8 years ago - 387 dependent packages - 36,514,792 downloads last month
create-hmac 1.1.7
node style hmacs in the browser
769 dependent repositories - 11 versions - Latest release: about 7 years ago - 1,022 dependent packages - 35,250,232 downloads last month
evp_bytestokey 1.0.3
The insecure key derivation algorithm from OpenSSL
769 dependent repositories - 4 versions - Latest release: almost 8 years ago - 369 dependent packages - 35,135,799 downloads last month
pbkdf2 3.1.2
This library provides the functionality of PBKDF2 with the ability to use any supported hashing a...
769 dependent repositories - 22 versions - Latest release: about 4 years ago - 840 dependent packages - 34,599,274 downloads last month
jest 29.7.0
Delightful JavaScript Testing.
769 dependent repositories - 355 versions - Latest release: almost 2 years ago - 241,476 dependent packages - 104,314,263 downloads last month
@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining 7.24.1
Transform optional chaining operators to workaround https://crbug.com/v8/11558
768 dependent repositories - 36 versions - Latest release: about 1 year ago - 13 dependent packages - 89,788,694 downloads last month
hash-base 3.1.0
abstract base class for hash-streams
768 dependent repositories - 12 versions - Latest release: about 5 years ago - 367 dependent packages - 49,298,251 downloads last month
walker 1.0.8
A simple directory tree walker.
768 dependent repositories - 11 versions - Latest release: over 3 years ago - 1,074 dependent packages - 94,363,674 downloads last month
makeerror 1.0.12
A library to make errors.
768 dependent repositories - 11 versions - Latest release: over 3 years ago - 979 dependent packages - 94,336,003 downloads last month
tmpl 1.0.5
JavaScript micro templates.
768 dependent repositories - 5 versions - Latest release: almost 4 years ago - 1,004 dependent packages - 93,502,731 downloads last month
@types/yargs 17.0.32
TypeScript definitions for yargs
767 dependent repositories - 150 versions - Latest release: over 1 year ago - 9,197 dependent packages - 270,064,877 downloads last month
postcss-loader 8.1.1
PostCSS loader for webpack
767 dependent repositories - 86 versions - Latest release: over 1 year ago - 48,390 dependent packages - 58,703,182 downloads last month
jest-diff 29.7.0

766 dependent repositories - 230 versions - Latest release: almost 2 years ago - 1,536 dependent packages - 161,527,359 downloads last month
browserify-rsa 4.1.0
RSA for browserify
766 dependent repositories - 10 versions - Latest release: over 4 years ago - 361 dependent packages - 36,203,771 downloads last month
browserify-cipher 1.0.1
ciphers for the browser
766 dependent repositories - 2 versions - Latest release: about 7 years ago - 421 dependent packages - 32,804,404 downloads last month
browserify-sign 4.2.3
adds node crypto signing for browsers
766 dependent repositories - 32 versions - Latest release: over 1 year ago - 388 dependent packages - 36,119,314 downloads last month
public-encrypt 4.0.3
browserify version of publicEncrypt & privateDecrypt
766 dependent repositories - 11 versions - Latest release: over 6 years ago - 376 dependent packages - 35,066,039 downloads last month
parse-asn1 5.1.7
utility library for parsing asn1 files for use with browserify-sign.
766 dependent repositories - 18 versions - Latest release: over 1 year ago - 362 dependent packages - 36,990,926 downloads last month
create-ecdh 4.0.4
createECDH but browserifiable
766 dependent repositories - 13 versions - Latest release: almost 5 years ago - 390 dependent packages - 34,243,395 downloads last month
browserify-des 1.0.2
browserify-des ===
766 dependent repositories - 3 versions - Latest release: almost 7 years ago - 349 dependent packages - 33,838,548 downloads last month
miller-rabin 4.0.1
Miller Rabin algorithm for primality test
766 dependent repositories - 14 versions - Latest release: over 7 years ago - 369 dependent packages - 34,625,079 downloads last month
diffie-hellman 5.0.3
pure js diffie-hellman
766 dependent repositories - 21 versions - Latest release: about 7 years ago - 384 dependent packages - 34,613,127 downloads last month
md5.js 1.3.5
node style md5 on pure JavaScript
765 dependent repositories - 9 versions - Latest release: over 6 years ago - 441 dependent packages - 35,431,240 downloads last month
pumpify 2.0.1
Combine an array of streams into a single duplex stream using pump and duplexify
765 dependent repositories - 22 versions - Latest release: over 5 years ago - 781 dependent packages - 43,867,280 downloads last month
object.getownpropertydescriptors 2.1.8
ES2017 spec-compliant shim for `Object.getOwnPropertyDescriptors` that works in ES5.
764 dependent repositories - 18 versions - Latest release: about 1 year ago - 405 dependent packages - 39,449,465 downloads last month
jest-get-type 29.6.3
A utility function to get the type of a value
763 dependent repositories - 98 versions - Latest release: almost 2 years ago - 988 dependent packages - 188,262,853 downloads last month
is-weakref 1.0.2
Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
762 dependent repositories - 3 versions - Latest release: over 3 years ago - 733 dependent packages - 120,731,896 downloads last month
obuf 1.1.2
Byte buffer specialized for data in chunks with special cases for dropping bytes in the front, me...
761 dependent repositories - 10 versions - Latest release: over 7 years ago - 311 dependent packages - 57,029,602 downloads last month
acorn-globals 7.0.1
Detect global variables in JavaScript using acorn
760 dependent repositories - 27 versions - Latest release: almost 3 years ago - 689 dependent packages - 76,092,395 downloads last month
stream-http 3.2.0
Streaming http in the browser
759 dependent repositories - 43 versions - Latest release: about 4 years ago - 1,293 dependent packages - 35,607,216 downloads last month
builtin-status-codes 3.0.0
The map of HTTP status codes from the builtin http module
759 dependent repositories - 3 versions - Latest release: almost 9 years ago - 336 dependent packages - 33,512,873 downloads last month
http-cache-semantics 4.1.1
Parses Cache-Control and other headers. Helps building correct HTTP caches and proxies
758 dependent repositories - 26 versions - Latest release: over 2 years ago - 625 dependent packages - 92,812,386 downloads last month
expect 29.7.0

754 dependent repositories - 237 versions - Latest release: almost 2 years ago - 8,207 dependent packages - 132,695,371 downloads last month
@babel/plugin-proposal-private-property-in-object 7.21.11 deprecated
This plugin transforms checks for a private property in an object
753 dependent repositories - 26 versions - Latest release: about 2 years ago - 1,456 dependent packages - 97,414,496 downloads last month
asap 2.0.6
High-priority task queue for Node.js and browsers
753 dependent repositories - 9 versions - Latest release: almost 8 years ago - 929 dependent packages - 79,359,063 downloads last month
@typescript-eslint/scope-manager 7.9.0
TypeScript scope analyser for ESLint
753 dependent repositories - 2,975 versions - Latest release: about 1 year ago - 81 dependent packages - 184,503,826 downloads last month
get-stdin 9.0.0
Get stdin as a string or buffer
752 dependent repositories - 14 versions - Latest release: about 4 years ago - 1,614 dependent packages - 63,732,854 downloads last month
randomfill 1.0.4
random fill from browserify stand alone
750 dependent repositories - 5 versions - Latest release: over 7 years ago - 343 dependent packages - 34,814,981 downloads last month
es-module-lexer 1.5.3
Lexes ES modules returning their import/export metadata
750 dependent repositories - 68 versions - Latest release: about 1 year ago - 895 dependent packages - 94,028,831 downloads last month
style-loader 4.0.0
style loader module for webpack
750 dependent repositories - 76 versions - Latest release: about 1 year ago - 86,729 dependent packages - 62,633,602 downloads last month
aria-query 5.3.0
Programmatic access to the ARIA specification
749 dependent repositories - 29 versions - Latest release: almost 2 years ago - 746 dependent packages - 132,068,128 downloads last month
eslint-plugin-react 7.34.1
React specific linting rules for ESLint
749 dependent repositories - 212 versions - Latest release: over 1 year ago - 105,111 dependent packages - 82,135,550 downloads last month
diff-sequences 29.6.3
Compare items in two sequences to find a longest common subsequence
749 dependent repositories - 68 versions - Latest release: almost 2 years ago - 866 dependent packages - 165,136,774 downloads last month
cssnano 7.0.1
A modular minifier, built on top of the PostCSS ecosystem.
748 dependent repositories - 147 versions - Latest release: about 1 year ago - 13,557 dependent packages - 44,991,148 downloads last month
@babel/plugin-syntax-private-property-in-object 7.14.5
Allow parsing of '#foo in obj' brand checks
748 dependent repositories - 2 versions - Latest release: about 4 years ago - 10 dependent packages - 91,064,766 downloads last month
bl 6.0.12
Buffer List: collect buffers and access with a standard readable Buffer interface, streamable too!
747 dependent repositories - 64 versions - Latest release: over 1 year ago - 1,595 dependent packages - 148,288,940 downloads last month
@jest/types 29.6.3

747 dependent repositories - 97 versions - Latest release: almost 2 years ago - 1,811 dependent packages - 280,670,034 downloads last month
@types/yargs-parser 21.0.3
TypeScript definitions for yargs-parser
746 dependent repositories - 21 versions - Latest release: over 1 year ago - 433 dependent packages - 108,821,510 downloads last month
nwsapi 2.2.10
Fast CSS Selectors API Engine
745 dependent repositories - 33 versions - Latest release: about 1 year ago - 565 dependent packages - 81,992,875 downloads last month
camel-case 5.0.0
Transform into a string with the separator denoted by the next word capitalized
745 dependent repositories - 21 versions - Latest release: over 1 year ago - 1,211 dependent packages - 76,114,736 downloads last month
eslint-config-prettier 9.1.0
Turns off all rules that are unnecessary or might conflict with Prettier.
744 dependent repositories - 72 versions - Latest release: over 1 year ago - 120,517 dependent packages - 96,779,579 downloads last month
caniuse-api 3.0.0
request the caniuse data to check browsers compatibilities
744 dependent repositories - 18 versions - Latest release: almost 7 years ago - 395 dependent packages - 42,277,729 downloads last month
jest-mock 29.7.0

744 dependent repositories - 238 versions - Latest release: almost 2 years ago - 1,642 dependent packages - 126,146,962 downloads last month
jest-regex-util 29.6.3

744 dependent repositories - 107 versions - Latest release: almost 2 years ago - 974 dependent packages - 144,914,188 downloads last month
jest-matcher-utils 29.7.0
A set of utility functions for expect and related packages
744 dependent repositories - 232 versions - Latest release: almost 2 years ago - 1,220 dependent packages - 142,756,194 downloads last month
@babel/plugin-syntax-class-static-block 7.14.5
Allow parsing of class static blocks
743 dependent repositories - 4 versions - Latest release: about 4 years ago - 16 dependent packages - 90,386,959 downloads last month
@types/babel__core 7.20.5
TypeScript definitions for @babel/core
743 dependent repositories - 33 versions - Latest release: over 1 year ago - 3,022 dependent packages - 107,807,306 downloads last month
jest-haste-map 29.7.0

743 dependent repositories - 273 versions - Latest release: almost 2 years ago - 1,280 dependent packages - 135,447,885 downloads last month
postcss-calc 10.0.0
PostCSS plugin to reduce calc()
742 dependent repositories - 35 versions - Latest release: about 1 year ago - 3,920 dependent packages - 47,236,574 downloads last month
jest-message-util 29.7.0

742 dependent repositories - 203 versions - Latest release: almost 2 years ago - 1,002 dependent packages - 167,016,789 downloads last month
@types/express 4.17.21
TypeScript definitions for express
741 dependent repositories - 47 versions - Latest release: over 1 year ago - 28,802 dependent packages - 110,495,017 downloads last month
@types/babel__template 7.4.4
TypeScript definitions for @babel/template
740 dependent repositories - 9 versions - Latest release: over 1 year ago - 367 dependent packages - 106,044,708 downloads last month
@types/babel__traverse 7.20.5
TypeScript definitions for @babel/traverse
740 dependent repositories - 37 versions - Latest release: over 1 year ago - 1,191 dependent packages - 112,340,784 downloads last month
@types/babel__generator 7.6.8
TypeScript definitions for @babel/generator
740 dependent repositories - 12 versions - Latest release: over 1 year ago - 726 dependent packages - 106,870,536 downloads last month
mini-css-extract-plugin 2.9.0
extracts CSS into separate files
740 dependent repositories - 78 versions - Latest release: about 1 year ago - 25,645 dependent packages - 54,055,552 downloads last month
@types/istanbul-lib-report 3.0.3
TypeScript definitions for istanbul-lib-report
739 dependent repositories - 6 versions - Latest release: over 1 year ago - 84 dependent packages - 101,828,933 downloads last month
babel-jest 29.7.0
Jest plugin to use babel for transformation.
739 dependent repositories - 280 versions - Latest release: almost 2 years ago - 68,349 dependent packages - 108,029,053 downloads last month
@types/istanbul-reports 3.0.4
TypeScript definitions for istanbul-reports
739 dependent repositories - 8 versions - Latest release: over 1 year ago - 69 dependent packages - 132,564,033 downloads last month
postcss-discard-duplicates 7.0.0
Discard duplicate rules in your CSS files with PostCSS.
738 dependent repositories - 50 versions - Latest release: about 1 year ago - 471 dependent packages - 47,472,786 downloads last month
postcss-discard-empty 7.0.0
Discard empty rules and values with PostCSS.
736 dependent repositories - 42 versions - Latest release: about 1 year ago - 375 dependent packages - 46,089,965 downloads last month
postcss-minify-selectors 7.0.0
Minify selectors with PostCSS.
736 dependent repositories - 67 versions - Latest release: about 1 year ago - 284 dependent packages - 44,741,679 downloads last month
cssom 0.5.0
CSS Object Model implementation and CSS parser
736 dependent repositories - 21 versions - Latest release: almost 4 years ago - 781 dependent packages - 133,405,998 downloads last month