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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http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
orjson
A fast, correct, Rust-backed JSON library for Python with native dataclass, datetime, and numpy support
node-xml2js
XML-to-JavaScript-object parser and builder for Node.js
urfave/cli
A declarative, dependency-free Go package for building fast, friendly command-line tools.
forge
A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.
swagger-ui-express
Serves interactive Swagger UI API documentation directly from your Express app based on a Swagger/OpenAPI JSON or YAML document.
got
Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.
zerolog
A zero-allocation, chaining-API JSON logger for Go built for both structured production output and pretty local development logs.
electron-store
Simple, encrypted JSON persistence for your Electron app — save user settings, window state, and cache across the main and renderer processes.
json-schema
A lightweight, historical CommonJS implementation of the original JSON Schema draft specifications
ExcelJS
Read, manipulate, and write XLSX spreadsheet data, styles, and formulas in JavaScript
jsoniter
A high-performance, 100% compatible drop-in replacement for Go's encoding/json.
openapi-ts
OpenAPI-to-TypeScript code generator producing production-grade SDKs, Zod schemas, and TanStack Query hooks.
JSON-Patch
Lean, high-performance RFC 6902 JSON Patch and JSON Pointer implementation for applying, generating, validating, and observing diffs between JSON documents.
@apidevtools/swagger-parser
Parses, validates, and dereferences Swagger 2.0 and OpenAPI 3.x specs in Node.js and browsers
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.
JSONPath
A JavaScript library for querying, transforming, and extracting data from JSON documents using an extended JSONPath syntax.
GSAP
The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.
@rjsf/core
The React engine that turns a JSON Schema into a fully working form
sjson
A fast, dependency-light Go library for setting and deleting values in JSON documents by dot-path, without full unmarshaling.
conf
Simple, schema-validated config file persistence for Node.js apps and CLI tools
serde_with
Custom de/serialization helpers for Rust's serde, via the with and serde_as annotations
feedparser
Parses RSS, Atom, RDF, CDF, and JSON feeds into one normalized Python dictionary.
Partial JSON
Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.
