Open Source Licenses & Copyright

PoomAt is built with the help of amazing open-source software. Below is a comprehensive list of all third-party libraries and tools we use, along with their licenses.

Copyright & Proprietary Information

© 2025 PoomAt - All rights reserved.

All proprietary code, design, user interfaces, business logic, and original materials developed for PoomAt are the exclusive property of Dong Rak Shin.

This includes but is not limited to: application architecture, database schemas, API designs, UI/UX designs, branding, and all custom-written source code.

Open Source Software

We are grateful to the open-source community for their contributions. All third-party software listed below is used in accordance with their respective licenses.

Backend Dependencies

Expressv^4.21.2

Fast, unopinionated, minimalist web framework for Node.js

MIT
https://expressjs.com/

Prismav^6.16.2

Next-generation Node.js and TypeScript ORM

Apache-2.0
https://www.prisma.io/

PostgreSQLv16

Open source relational database

PostgreSQL License
https://www.postgresql.org/

Socket.IOv^4.8.1

Real-time bidirectional event-based communication

MIT
https://socket.io/

Stripev^18.3.0

Payment processing platform

MIT
https://stripe.com/

Twiliov^5.8.0

SMS and communication APIs

MIT
https://www.twilio.com/

OpenAIv^4.84.0

AI and machine learning APIs

Apache-2.0
https://openai.com/

AWS SDKv^3.750.0

AWS services integration

Apache-2.0
https://aws.amazon.com/sdk-for-javascript/

JWT (jsonwebtoken)v^9.0.2

JSON Web Token implementation

MIT
https://github.com/auth0/node-jsonwebtoken

bcryptv^5.1.1

Password hashing library

MIT
https://github.com/kelektiv/node.bcrypt.js

Redis (ioredis)v^5.5.0

Redis client for Node.js

MIT
https://github.com/redis/ioredis

Helmetv^8.1.0

Security middleware for Express

MIT
https://helmetjs.github.io/

CORSv^2.8.5

Cross-Origin Resource Sharing middleware

MIT
https://github.com/expressjs/cors

Nodemailerv^6.10.1

Email sending library

MIT
https://nodemailer.com/

Sharpv^0.33.5

High-performance image processing

Apache-2.0
https://sharp.pixelplumbing.com/

Google Maps Servicesv^3.4.0

Google Maps API client

Apache-2.0
https://developers.google.com/maps

Firebase Adminv^13.4.0

Firebase Admin SDK for server-side

Apache-2.0
https://firebase.google.com/

Frontend Dependencies

Next.jsv^15.5.2

React framework for production

MIT
https://nextjs.org/

Reactv^18.3.1

JavaScript library for building user interfaces

MIT
https://react.dev/

TypeScriptv^5

Typed superset of JavaScript

Apache-2.0
https://www.typescriptlang.org/

Tailwind CSSv^3.5.10

Utility-first CSS framework

MIT
https://tailwindcss.com/

Radix UIv~1-2

Unstyled, accessible component library

MIT
https://www.radix-ui.com/

Lucide Reactv^0.475.0

Beautiful & consistent icon library

ISC
https://lucide.dev/

TanStack Queryv^5.67.1

Powerful asynchronous state management

MIT
https://tanstack.com/query/

Axiosv^1.7.9

Promise-based HTTP client

MIT
https://axios-http.com/

Zodv^3.24.1

TypeScript-first schema validation

MIT
https://zod.dev/

React Hook Formv^7.54.2

Performant, flexible forms with easy validation

MIT
https://react-hook-form.com/

Chart.jsv^4.5.0

Simple yet flexible JavaScript charting

MIT
https://www.chartjs.org/

Framer Motionv^12.4.7

Production-ready motion library for React

MIT
https://www.framer.com/motion/

date-fnsv^3.6.0

Modern JavaScript date utility library

MIT
https://date-fns.org/

Stripe JSv^7.6.1

Stripe payment integration for frontend

MIT
https://stripe.com/docs/js

Socket.IO Clientv^4.8.1

Real-time client library

MIT
https://socket.io/

Sentryv^10.2.0

Error tracking and performance monitoring

MIT
https://sentry.io/

Next Themesv^0.4.4

Theme management for Next.js

MIT
https://github.com/pacocoursey/next-themes

Sonnerv^2.4.0

Opinionated toast component for React

MIT
https://sonner.emilkowal.ski/

Nuqsv^2.4.3

Type-safe search params state manager

MIT
https://nuqs.47ng.com/

Mobile Dependencies

Swiftv5+

Programming language for iOS development

Apache-2.0
https://swift.org/

Kotlinv1.9+

Programming language for Android development

Apache-2.0
https://kotlinlang.org/

Jetpack Compose

Modern toolkit for building native Android UI

Apache-2.0
https://developer.android.com/jetpack/compose

SwiftUI

Framework for building UI across Apple platforms

Apple License
https://developer.apple.com/xcode/swiftui/

Ktor Clientv^2.3.0

Async HTTP client for Kotlin

Apache-2.0
https://ktor.io/

Coilv^2.5.0

Image loading library for Android

Apache-2.0
https://coil-kt.github.io/coil/

Kingfisher

Image downloading and caching for iOS

MIT
https://github.com/onevcat/Kingfisher

Infrastructure & Development Tools

Docker

Containerization platform

Apache-2.0
https://www.docker.com/

Nginx

High-performance web server and reverse proxy

BSD-2-Clause
https://nginx.org/

ECS (Elastic Container Service)

Container orchestration service

AWS License
https://aws.amazon.com/ecs/

CloudFront

Content delivery network (CDN)

AWS License
https://aws.amazon.com/cloudfront/

S3

Object storage service

AWS License
https://aws.amazon.com/s3/

GitHub Actions

CI/CD automation platform

MIT
https://github.com/features/actions

Playwrightv^1.51.0

End-to-end testing framework

Apache-2.0
https://playwright.dev/

License Types Explained

MIT License

Permissive license allowing use, modification, and distribution with minimal restrictions. Requires copyright notice and license text inclusion.

Apache-2.0

Permissive license similar to MIT, with explicit patent rights grant and contributor protection.

ISC License

Functionally equivalent to MIT, with simplified wording.

BSD-2-Clause

Permissive license with minimal restrictions, requiring attribution.

For questions about licensing or copyright, please contact us.

PoomAt