Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Sort:Used by Most Apps
qs
A battle-tested querystring parser and serializer for Node.js with nested object support and built-in security limits.
remark
A plugin-powered markdown processor that parses, transforms, and serializes markdown on top of unified.
unified
Parse, inspect, transform, and serialize content through syntax-tree plugins.
query-string
Parse and stringify URL query strings in JavaScript with flexible array, number, and boolean handling.
rehype
A unified-based HTML processor with a large plugin ecosystem
serialize-error
Serialize and deserialize JavaScript Error objects into plain, JSON-safe objects and back.
hast-util-to-html
Serializes hast syntax trees into WHATWG-compliant HTML strings, with fine-grained control over escaping, quoting, and tag omission.
mdast-util-to-markdown
Serializes an mdast syntax tree back into CommonMark-compatible markdown text, with pluggable handlers for custom syntax extensions.
lossless-json
Parse and stringify JSON without losing precision on big numbers
fast-safe-stringify
Fast JSON.stringify drop-in that safely handles circular references
json-stable-stringify
A deterministic version of JSON.stringify() that sorts object keys so identical data always produces identical output.
url-parse
Small, dependency-light URL parser that works identically in Node.js and the browser.
url-pattern
A tiny, dependency-free library for matching and generating URL-like string patterns without regex.
remark-html
A remark plugin that compiles markdown syntax trees directly into sanitized HTML strings.
fast-redact
Very fast object redaction that censors sensitive keys before they reach your logs.
object-inspect
Zero-dependency string representations of any JavaScript value, including circular references and DOM elements.
estree-util-to-js
Serializes estree (and esast) syntax trees back into JavaScript source code
querystringify
A small, dependency-free JavaScript library for parsing and building URL query strings, with built-in protection against prototype-pollution keys.
json-source-map
Parses and stringifies JSON while mapping every key and value to its exact line, column, and character position.
stringify-entities
A small, spec-compliant encoder that serializes HTML character references, with fine-grained control over named, decimal, and hexadecimal output formats.
unist-util-stringify-position
Serializes a unist node, position, or point into a human-readable location string for error and warning messages.