Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Sort:Used by Most Apps
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.
NumberFlow (React)
An animated number component for React that transitions digits, formats locales, and respects reduced-motion preferences
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.
