Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

89Health
Framework npm

Slate

Completely customizable framework for building rich text editors

31,748
MIT
Used by 16
48Health
Library npm

swagger-ui-express

Serves interactive Swagger UI API documentation directly from your Express app based on a Swagger/OpenAPI JSON or YAML document.

1,495
MIT
Used by 16
84Health
Library npm

got

Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.

14,940
MIT
Used by 15
68Health
Library Go

zerolog

A zero-allocation, chaining-API JSON logger for Go built for both structured production output and pretty local development logs.

12,505
MIT
Used by 15
44Health
Library npm

electron-store

Simple, encrypted JSON persistence for your Electron app — save user settings, window state, and cache across the main and renderer processes.

5,019
MIT
Used by 15
50Health
Library npm

rehype

A unified-based HTML processor with a large plugin ecosystem

2,255
MIT
Used by 15
84Health
Library npm

node-html-parser

A very fast HTML parser that builds a lightweight DOM tree with full CSS3 selector support.

1,245
MIT
Used by 15
39Health
Library npm

json-schema

A lightweight, historical CommonJS implementation of the original JSON Schema draft specifications

529
Other
Used by 15
37Health
Library npm

rehype-slug

Rehype plugin that adds GitHub-style id attributes to HTML headings for anchor links.

264
MIT
Used by 15
51Health
Library npm

ExcelJS

Read, manipulate, and write XLSX spreadsheet data, styles, and formulas in JavaScript

15,469
MIT
Used by 14
46Health
Library Go

jsoniter

A high-performance, 100% compatible drop-in replacement for Go's encoding/json.

13,867
MIT
Used by 14
85Health
Tool npm

openapi-ts

OpenAPI-to-TypeScript code generator producing production-grade SDKs, Zod schemas, and TanStack Query hooks.

5,406
MIT
Used by 14
51Health
Library npm

JSON-Patch

Lean, high-performance RFC 6902 JSON Patch and JSON Pointer implementation for applying, generating, validating, and observing diffs between JSON documents.

1,982
MIT
Used by 14
60Health
Library npm

@apidevtools/swagger-parser

Parses, validates, and dereferences Swagger 2.0 and OpenAPI 3.x specs in Node.js and browsers

1,207
MIT
Used by 14
90Health
Library npm

@xmldom/xmldom

A pure JavaScript, W3C-standard DOMParser and XMLSerializer for parsing and building XML/HTML documents

465
MIT
Used by 14
40Health
Library npm

remark-rehype

A unified/remark plugin that converts a markdown (mdast) syntax tree into an HTML (hast) syntax tree, bridging the remark and rehype ecosystems.

361
MIT
Used by 14
91Health
Framework Go

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

32,705
MIT
Used by 13
45Health
Library Go

bluemonday

A fast, allowlist-based HTML sanitizer for Go that strips XSS vectors from untrusted content while preserving safe markup.

3,719
BSD 3
Used by 13
71Health
Library npm

JSONPath

A JavaScript library for querying, transforming, and extracting data from JSON documents using an extended JSONPath syntax.

1,158
MIT
Used by 13
41Health
Library npm

html-entities

Fast, zero-dependency HTML5/HTML4/XML entity encoding and decoding for JavaScript and TypeScript.

686
MIT
Used by 13
90Health
Tool npm

js-beautify

Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code

8,995
MIT
Used by 11
40Health
Library npm

he

A robust, spec-compliant HTML entity encoder and decoder for JavaScript with full Unicode support.

3,597
MIT
Used by 11
74Health
Library npm

micromark

The smallest 100% CommonMark-compliant markdown parser, with GFM and MDX support

2,221
MIT
Used by 11
39Health
Library npm

node-html-markdown

A fast, dependency-light HTML-to-Markdown converter for Node.js and the browser, tuned for speed at scale.

267
MIT
Used by 11

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