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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posthog-js
The official browser SDK for PostHog — autocapture, session replay, feature flags, and surveys in one drop-in script.
AWS SDK for JavaScript (S3 Client)
The official modular AWS SDK v3 client for Amazon S3, with TypeScript-first APIs and streaming support.
MCP TypeScript SDK
The official TypeScript SDK for building Model Context Protocol servers and clients.
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
OpenAI
The official Node.js/TypeScript client for the OpenAI API, auto-generated from OpenAI's own OpenAPI spec.
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.
boto3
The official AWS SDK for Python — call every Amazon Web Services API from your code.
Anthropic TypeScript SDK
The official TypeScript and JavaScript SDK for building on Anthropic's Claude API.
OpenAI Python SDK
The official Python library for the OpenAI REST API, generated from OpenAI's OpenAPI spec with typed sync and async clients.
Google Cloud Storage
Node.js client library for Google Cloud Storage — upload, download, and manage buckets and objects programmatically.
stripe-js
The official ES/CommonJS loader for Stripe.js and Stripe Elements
AWS SDK for Go v2
The official AWS SDK for Go — type-safe, modular clients for every AWS service.
resend-node
The official Node.js and TypeScript SDK for sending email through the Resend API.
redis-py
The official Python client for Redis, with sync, asyncio, cluster, and Sentinel support.
@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.
python-sdk
The official Python SDK for building Model Context Protocol servers and clients that expose tools, resources, and prompts to any LLM host.
Octokit REST
The official GitHub REST API client for JavaScript and TypeScript, with a typed method for every endpoint.
Anthropic Python SDK
The official Python SDK for the Anthropic Claude API, with typed clients, streaming, and tool use.
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.
Node-Redis
The official, high-performance TypeScript client for Redis in Node.js.
@cloudflare/workers-types
Official TypeScript type definitions for the Cloudflare Workers runtime, covering fetch handlers and platform bindings like KV, D1, R2, and Durable Objects.
@sentry/vite-plugin
Official Vite plugin that uploads source maps and manages releases directly to Sentry at build time.
supabase-js
The official isomorphic JavaScript SDK for Supabase — database, auth, realtime, storage, and edge functions in one client.
