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Open Source Licenses

Off-Nadir Delta is built on top of amazing open source software. We are grateful to the developers and maintainers of these projects. Below is a list of the major open source libraries we use and their respective licenses.

Note: This page lists the major dependencies. For a complete list of all dependencies and their licenses, please refer to our package.json file and the respective npm package pages.

Core Framework

Next.js

v15.xMIT

The React framework for production - provides server-side rendering, routing, and optimization.

React

v18.xMIT

A JavaScript library for building user interfaces.

OpenLayers

v10.xBSD-2-Clause

High-performance, feature-packed library for creating interactive maps on the web.

Supabase

v2.xMIT

Open source Firebase alternative - provides authentication, database, and real-time subscriptions.

Zustand

v5.xMIT

A small, fast, and scalable state management solution for React.

Zod

v4.xMIT

TypeScript-first schema validation with static type inference.

UI Components & Styling

Tailwind CSS

v3.xMIT

A utility-first CSS framework for rapid UI development.

Radix UI

v1.x - 2.xMIT

Unstyled, accessible components for building high-quality design systems.

Lucide React

v0.xISC

Beautiful & consistent icon toolkit made by the community.

Headless UI

v2.xMIT

Completely unstyled, fully accessible UI components.

Chart.js

v4.xMIT

Simple yet flexible JavaScript charting library.

class-variance-authority

v0.xApache-2.0

Class variance authority for creating UI component variants.

Utilities & Integrations

AWS SDK for JavaScript

v3.xApache-2.0

AWS SDK for JavaScript - used for Lambda invocation and S3 operations.

Stripe

v19.xMIT

Node.js library for the Stripe API - handles payment processing.

React Hook Form

v7.xMIT

Performant, flexible and extensible forms with easy-to-use validation.

@dnd-kit

v6.x - 10.xMIT

Modern drag and drop toolkit for React.

@tanstack/react-virtual

v3.xMIT

Headless UI for virtualizing large lists.

ioredis

v5.xMIT

A robust, performance-focused Redis client for Node.js.

Development Tools

TypeScript

v5.xApache-2.0

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

Playwright

v1.xApache-2.0

Framework for Web Testing and Automation.

Jest

v29.xMIT

Delightful JavaScript Testing Framework with a focus on simplicity.

ESLint

v9.xMIT

Find and fix problems in your JavaScript code.

License Information

The licenses listed above are the standard licenses under which these open source projects are distributed. The most common licenses used are:

MIT License - A permissive license that allows reuse with minimal restrictions.
Apache-2.0 - A permissive license that also provides an express grant of patent rights.
BSD-2-Clause - A permissive license similar to MIT with slightly different terms.
ISC - A permissive license functionally equivalent to MIT.

For the full license text of each library, please visit their respective GitHub repositories linked above.

Last Updated: January 1, 2026