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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prettier
An opinionated code formatter that enforces consistent style across every language your project speaks.
serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
fs-extra
Drop-in replacement for Node's fs module adding copy, remove, mkdirs, and JSON helpers with native promise support.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
diff
A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.
Pino
A super fast, low-overhead JSON logger for Node.js applications.
Winston
A battle-tested Node.js logging library with pluggable transports, custom formats, and multiple log levels.
PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
file-type
Detect the file type of a buffer, stream, or file by reading its magic number.
buffer
The Node.js Buffer API, reimplemented for the browser on top of Uint8Array.
body-parser
Node.js body-parsing middleware that turns raw HTTP request bodies into ready-to-use req.body objects.
type-fest
A collection of essential, ready-made TypeScript utility types beyond the built-in standard library.
superjson
Serialize JavaScript to a superset of JSON that keeps Dates, Maps, Sets, BigInts, and more intact.
fast-xml-parser
Pure-JS XML parser, builder, and validator with no C/C++ bindings and no callbacks
zod-to-json-schema
Converts Zod validation schemas into standard JSON Schema, ready for OpenAPI, OpenAI, and JSON Schema draft 7 consumers.
JSON5
JSON for humans: an extended JSON syntax with comments, trailing commas, and unquoted keys for hand-written config.
jsonschema
The reference implementation of JSON Schema validation for Python, supporting every draft from 3 to 2020-12.
Fastify
A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture
gjson
Fast, dependency-light JSON value extraction for Go using dot-notation paths.
jsonrepair
Repair invalid or broken JSON documents — missing quotes, trailing commas, truncation, 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.
swagger-ui-express
Serves interactive Swagger UI API documentation directly from your Express app based on a Swagger/OpenAPI JSON or YAML document.
