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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Axios
Promise-based HTTP client for the browser and Node.js with interceptors, automatic transforms, and cancellation
Express
The fast, unopinionated, minimalist web framework for Node.js
OpenTelemetry JavaScript (@opentelemetry/api)
Vendor-neutral tracing, metrics, and context API that libraries and apps instrument once, so any OpenTelemetry-compatible backend can consume it.
Stripe Node.js Library
The official Node.js and TypeScript library for the Stripe API, giving developers a fully typed client for payments, billing, and Connect.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
MSW (Mock Service Worker)
Seamless REST and GraphQL API mocking for browser and Node.js
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
@slack/web-api
Slack's official Node.js HTTP client for calling any of the 270+ Web API methods, with built-in queuing, retries, pagination, and rate-limit handling.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
tRPC Server
Build end-to-end typesafe APIs in TypeScript with no schemas, no code generation, and zero runtime bloat.
google-api-nodejs-client
Google's officially supported Node.js client library for calling hundreds of Google APIs with built-in OAuth 2.0, API key, and service-account auth.
Pinia
Intuitive, type-safe, and flexible state management store for Vue applications.
express-rate-limit
Basic IP rate-limiting middleware for Express to throttle repeated requests and protect public APIs and sensitive endpoints.
zod-to-json-schema
Converts Zod validation schemas into standard JSON Schema, ready for OpenAPI, OpenAI, and JSON Schema draft 7 consumers.
Fastify
A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture
chi
A lightweight, idiomatic Go HTTP router built entirely on net/http, for composing middleware and mounting REST APIs without a framework.
Scalar API Reference
Interactive, embeddable API reference documentation generated from your OpenAPI or Swagger specs.
octokit.js
The all-batteries-included GitHub SDK for browsers, Node.js, and Deno.
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
forge
A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.
jsonwebtoken
Create and decode JSON Web Tokens in Rust in a strongly typed way
django-rest-framework
The most widely-used toolkit for building Web APIs on top of Django, with serializers, viewsets, and a built-in browsable API.
