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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console-subscriber
tracing-subscriber Layer that powers tokio-console, a debugger for async Rust
csv-parser
A zero-dependency streaming CSV parser for Node.js that converts CSV into JSON at high speed.
toml-node
A zero-dependency, spec-compliant TOML parser for Node.js with BigInt and Temporal support.
set-cookie-parser
Parse raw Set-Cookie header values into structured JavaScript cookie objects
sqlparser
Extensible SQL lexer and parser for Rust, conforming to ANSI SQL:2011
node-xlsx
TypeScript-first Excel parser and builder for Node.js, built on SheetJS.
gock
Versatile HTTP traffic mocking for Go, intercepting any net/http-based client for deterministic tests.
xml-js
Converts XML text to JavaScript objects or JSON and back, preserving element order.
Peggy
Parser generator for JavaScript using parsing expression grammars (PEG)
@neondatabase/serverless
Neon's serverless PostgreSQL driver for JavaScript and TypeScript, built for edge and serverless runtimes using HTTP and WebSockets instead of raw TCP.
yargs-parser
The mighty, standalone option parser powering yargs
error-stack-parser
Cross-browser JavaScript library that parses Error objects into structured stack frames with function names, file paths, and line/column numbers.
tree-sitter-c-sharp
C# grammar for tree-sitter, based on the Roslyn language grammar
x509-parser
A pure-Rust, zero-copy X.509 certificate parser (RFC 5280) built on the nom parser-combinator framework, with optional signature verification.
tinycss2
Low-level CSS Syntax Level 3 parser and generator for Python
lark
A modern parsing toolkit for Python supporting Earley, LALR(1), and CYK parsers with automatic tree construction.
jsonparser
A fast, allocation-free JSON parser for Go that reads values by key path without unmarshaling into structs.
Laravel Telescope
Official Laravel debug assistant that records requests, queries, jobs, mail, and more into a local dashboard
Device Detector
Universal PHP library for parsing user agents into browsers, OS, and device info
snarkdown
A dead-simple, dependency-free Markdown-to-HTML parser that weighs about 1kb gzipped.
url-parse
Small, dependency-light URL parser that works identically in Node.js and the browser.
MyST Parser
An extended CommonMark-compliant Markdown parser with first-class bridges to docutils and Sphinx.
Griffe
Extract signatures and structure from entire Python programs for API docs and breaking-change detection.
url-pattern
A tiny, dependency-free library for matching and generating URL-like string patterns without regex.