Open Source Licenses

ZenSplit is built on the shoulders of great open-source work. We are grateful to all the projects listed below.

The ZenSplit application is built with Flutter, Google's UI toolkit for building natively compiled applications. A complete list of all transitive open-source licenses is accessible within the app under Profile → Legal → Open Source Licenses. The key packages are listed here for reference.

Frameworks & Core

Flutter BSD-3-Clause

Google's open-source UI toolkit for building natively compiled apps from a single codebase.
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Dart SDK BSD-3-Clause

The programming language used to build ZenSplit.
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State Management & Navigation

flutter_riverpod / riverpod MIT

Reactive state management for Flutter.
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go_router BSD-3-Clause

Declarative routing package for Flutter.
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freezed / freezed_annotation MIT

Code generation for immutable classes and unions.
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Backend & Storage

supabase_flutter MIT

Flutter client for Supabase — open-source Firebase alternative.
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hive / hive_flutter Apache-2.0

Lightweight and fast key-value store for local offline storage.
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shared_preferences BSD-3-Clause

Persistent key-value storage for simple app preferences.
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Authentication

google_sign_in BSD-3-Clause

Google Sign-In plugin for Flutter.
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Analytics & Crash Reporting

firebase_core / firebase_analytics / firebase_crashlytics BSD-3-Clause

Firebase SDK plugins for Flutter — used for analytics and crash reporting.
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UI & Utilities

google_fonts Apache-2.0

Flutter package for using fonts from fonts.google.com.
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flutter_animate MIT

Simple, powerful animations for Flutter.
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gap MIT

Simple gap/space widget for Flutter.
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shimmer BSD-3-Clause

Shimmer loading effect for Flutter.
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cached_network_image MIT

Flutter library to load and cache network images.
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share_plus BSD-3-Clause

Flutter plugin for sharing content from your Flutter app.
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url_launcher BSD-3-Clause

Flutter plugin for launching URLs in the browser.
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in_app_review MIT

Flutter plugin to request in-app reviews on Android and iOS.
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connectivity_plus BSD-3-Clause

Flutter plugin for discovering the state of the network connectivity.
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intl BSD-3-Clause

Dart package providing internationalization and localization utilities.
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Code Generation

build_runner BSD-3-Clause

A build system for Dart code generation and modular compilation.
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json_serializable / json_annotation BSD-3-Clause

Dart build system generators for handling JSON.
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riverpod_annotation / riverpod_generator MIT

Code generation for Riverpod providers.
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Full License List

The complete list of all transitive open-source dependencies and their licenses is available within the ZenSplit app. Go to Profile → Legal → Open Source Licenses to view the full list powered by Flutter's built-in license registry.