Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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comment-json
Parse and stringify JSON with comments, preserving them exactly through modification and re-save.
postcss-value-parser
Transforms CSS declaration values and at-rule params into a traversable node tree.
xml-formatter
Pretty-print and minify XML strings in JavaScript/TypeScript, respecting xml:space
sns-payload-validator
Verifies AWS SNS message signatures for HTTP/S and Lambda payloads.
esprima
A high-performance, standard-compliant ECMAScript parser producing ESTree-compatible ASTs for JavaScript tooling.
PdfParser
Standalone PHP library to extract text, metadata, and data from PDF files with no external tools.
prisma-client-py
Auto-generated, fully type-safe Python database client built on Prisma's schema and Rust query engine.
lol-html
A low-latency streaming HTML parser and rewriter for Rust with a CSS-selector-based API.
fast-csv
Streaming CSV parser and formatter for Node.js with zero runtime dependencies and full TypeScript support.
Clipanion
A type-safe, dependency-free CLI framework for building nested, typed command-line applications in TypeScript.
ngx-markdown
Angular library for parsing and rendering Markdown as sanitized HTML, with optional syntax highlighting, math, diagrams, emoji, and copy-to-clipboard support.
ghp-import
A small CLI that copies a built docs directory straight onto your repo's gh-pages branch.
plist.js
Parses and builds Apple property lists in XML, binary, and OpenStep formats for Node.js and browsers.
PHP User Agent Parser
Lightning-fast, minimalist PHP parser that turns User-Agent strings into browser and platform.
PostalMime
Zero-dependency email (RFC822/MIME) parser for Node.js, browsers, and serverless
tree-sitter-language-pack
Precompiled tree-sitter parsers and queries for 306+ languages in one install
pylatexenc
A dependency-free Python library that parses LaTeX markup and converts between LaTeX code and Unicode text.
tl
Fast, zero-copy HTML parser for Rust with a query-selector API
exif-rs
A pure-Rust library that parses Exif metadata directly out of JPEG, TIFF, PNG, WebP, and HEIF/HEIC image files.
json5
A Rust JSON5 parser and serializer built directly on the Serde framework.
tree-sitter-php
Incremental PHP grammar for the tree-sitter parsing library
sqllogictest
A Rust parser and runner for sqllogictest files that verify SQL database correctness
tree-sitter-html
Fast, incremental HTML grammar for the Tree-sitter parsing framework.
robots-parser
A spec-compliant robots.txt parser for Node.js with wildcard and RFC 9309 support.