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

39Health
Library npm

comment-json

Parse and stringify JSON with comments, preserving them exactly through modification and re-save.

178
MIT
Used by 3
58Health
Library npm

postcss-value-parser

Transforms CSS declaration values and at-rule params into a traversable node tree.

145
MIT
Used by 3
65Health
Library npm

xml-formatter

Pretty-print and minify XML strings in JavaScript/TypeScript, respecting xml:space

113
MIT
Used by 3
34Health
SDK npm

sns-payload-validator

Verifies AWS SNS message signatures for HTTP/S and Lambda payloads.

13
MIT
Used by 3
47Health
Library npm

esprima

A high-performance, standard-compliant ECMAScript parser producing ESTree-compatible ASTs for JavaScript tooling.

7,138
Other
Used by 2
58Health
Library Composer

PdfParser

Standalone PHP library to extract text, metadata, and data from PDF files with no external tools.

2,729
Other
Used by 2
49Health
Library PyPI

prisma-client-py

Auto-generated, fully type-safe Python database client built on Prisma's schema and Rust query engine.

2,095
Apache 2.0
Used by 2
60Health
Library Cargo

lol-html

A low-latency streaming HTML parser and rewriter for Rust with a CSS-selector-based API.

2,067
BSD 3
Used by 2
79Health
Library npm

fast-csv

Streaming CSV parser and formatter for Node.js with zero runtime dependencies and full TypeScript support.

1,790
MIT
Used by 2
38Health
Framework npm

Clipanion

A type-safe, dependency-free CLI framework for building nested, typed command-line applications in TypeScript.

1,257
MIT
Used by 2
82Health
Library npm

ngx-markdown

Angular library for parsing and rendering Markdown as sanitized HTML, with optional syntax highlighting, math, diagrams, emoji, and copy-to-clipboard support.

1,196
MIT
Used by 2
38Health
Tool PyPI

ghp-import

A small CLI that copies a built docs directory straight onto your repo's gh-pages branch.

626
Apache 2.0
Used by 2
61Health
Library npm

plist.js

Parses and builds Apple property lists in XML, binary, and OpenStep formats for Node.js and browsers.

607
MIT
Used by 2
58Health
Library Composer

PHP User Agent Parser

Lightning-fast, minimalist PHP parser that turns User-Agent strings into browser and platform.

597
MIT
Used by 2
65Health
Library npm

PostalMime

Zero-dependency email (RFC822/MIME) parser for Node.js, browsers, and serverless

547
Other
Used by 2
86Health
Library PyPI

tree-sitter-language-pack

Precompiled tree-sitter parsers and queries for 306+ languages in one install

466
MIT
Used by 2
75Health
Library PyPI

pylatexenc

A dependency-free Python library that parses LaTeX markup and converts between LaTeX code and Unicode text.

427
MIT
Used by 2
33Health
Library Cargo

tl

Fast, zero-copy HTML parser for Rust with a query-selector API

407
MIT
Used by 2
37Health
Library Cargo

exif-rs

A pure-Rust library that parses Exif metadata directly out of JPEG, TIFF, PNG, WebP, and HEIF/HEIC image files.

258
Other
Used by 2
40Health
Library Cargo

json5

A Rust JSON5 parser and serializer built directly on the Serde framework.

246
MIT
Used by 2
61Health
Library Cargo

tree-sitter-php

Incremental PHP grammar for the tree-sitter parsing library

236
MIT
Used by 2
52Health
Library Cargo

sqllogictest

A Rust parser and runner for sqllogictest files that verify SQL database correctness

234
Other
Used by 2
55Health
Library Cargo

tree-sitter-html

Fast, incremental HTML grammar for the Tree-sitter parsing framework.

213
MIT
Used by 2
60Health
Library npm

robots-parser

A spec-compliant robots.txt parser for Node.js with wildcard and RFC 9309 support.

167
MIT
Used by 2

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