# Open Source Licenses
This document contains the list of open source components used in the HeyPoll projects (Web Application and Mobile Application) and their respective licenses.
## Overview HeyPoll consists of two main applications: - **Web Application**: Next.js-based web frontend - **Mobile Application**: React Native iOS/Android app
--- ## Summary
### Web Application
**51 open source libraries** with the following license distribution:
- **MIT License**: 48 libraries (94.1%)
- **Apache License 2.0**: 2 libraries (3.9%)
- **ISC License**: 1 library (2.0%)
### Mobile Application **600 open source libraries** (including transitive dependencies) with the following license distribution:
- **MIT License**: 447 libraries (74.5%)
- **Apache License 2.0**: 67 libraries (11.2%)
- **ISC License**: 40 libraries (6.7%)
- **BSD-3-Clause**: 31 libraries (5.2%)
- **BSD-2-Clause**: 9 libraries (1.5%)
- **0BSD**: 2 libraries
- **Python-2.0**: 1 library
- **CC-BY-4.0**: 1 library
- **CC0-1.0**: 1 library
- **(MIT OR CC0-1.0)**: 1 library
All licenses used in both projects are permissive open source licenses that allow for commercial use, modification, and distribution with proper attribution.
---
## Web Application Dependencies
### Core Framework & Libraries
- **next** (15.3.3) - The React Framework for Production - Repository: https://github.com/vercel/next.js - License: MIT
- **react** (19.1.0) - JavaScript library for building user interfaces
- Repository: https://github.com/facebook/react
- License: MIT
-**react-dom** (19.1.0) - React package for working with the DOM
- Repository: https://github.com/facebook/react
- License: MIT
### State Management & Data Fetching
- **@tanstack/react-query** (5.79.0) - Powerful asynchronous state management
- Repository: https://github.com/TanStack/query
- Author: tannerlinsley
- License: MIT
- **zustand** (5.0.5) - Bear necessities for state management in React
- Repository: https://github.com/pmndrs/zustand
- Author: Paul Henschel
- License: MIT
- **immer** (10.1.1) - Create the next immutable state by mutating the current one
- Repository: https://github.com/immerjs/immer
- Author: Michel Weststrate
- License: MIT
### Form Management & Validation
- **react-hook-form** (7.56.4) - Performant, flexible and extensible forms with easy-to-use validation
- Repository: https://github.com/react-hook-form/react-hook-form
- Author: Beier (bluebill1049@hotmail.com)
- License: MIT
-**@hookform/resolvers** (5.0.1) - Validation resolvers for React Hook Form
- Repository: https://github.com/react-hook-form/resolvers
- Author: bluebill1049
- License: MIT
- **@hookform/error-message** (2.0.1) - Error message component for React Hook Form - Repository: https://github.com/react-hook-form/error-message
- Author: bluebill1049
- License: MIT -
**zod** (3.25.42) - TypeScript-first schema validation with static type inference
- Repository: https://github.com/colinhacks/zod
- Author: Colin McDonnell
- License: MIT
### UI Component Libraries (Radix UI) All licensed under MIT from https://github.com/radix-ui/primitives:
- @radix-ui/react-accordion (1.2.12)
- @radix-ui/react-checkbox (1.3.2)
- @radix-ui/react-dialog (1.1.14)
- @radix-ui/react-label (2.1.7)
- @radix-ui/react-popover (1.1.14)
- @radix-ui/react-progress (1.1.7)
- @radix-ui/react-radio-group (1.3.7)
- @radix-ui/react-select (2.2.5)
- @radix-ui/react-separator (1.1.7)
- @radix-ui/react-slider (1.3.5)
- @radix-ui/react-slot (1.2.3)
- @radix-ui/react-switch (1.2.5)
- @radix-ui/react-tabs (1.1.12)
- @radix-ui/react-tooltip (1.2.7)
### UI Utilities & Styling
- **clsx** (2.1.1) - A tiny utility for constructing className strings conditionally
- Repository: https://github.com/lukeed/clsx
- License: MIT
- **tailwind-merge** (3.3.0) - Merge Tailwind CSS classes without style conflicts
- Repository: https://github.com/dcastil/tailwind-merge
- License: MIT -
**tw-animate-css** (1.3.2) - Tailwind CSS plugin for animations
- Repository: https://github.com/Wombosvideo/tw-animate-css
- License: MIT
- **next-themes** (0.4.6) - Perfect Next.js dark mode
- Repository: https://github.com/pacocoursey/next-themes
- License: MIT
- **vaul** (1.1.2) - Drawer component for React
- Repository: https://github.com/emilkowalski/vaul
- License: MIT
- **sonner** (2.0.3) - An opinionated toast component for React
- Repository: https://github.com/emilkowalski/sonner
- License: MIT
### Date & Time
- **dayjs** (1.11.13) - 2KB immutable date-time library alternative to Moment.js
- Repository: https://github.com/iamkun/dayjs
- License: MIT
- **date-fns** (4.1.0) - Modern JavaScript date utility library
- Repository: https://github.com/date-fns/date-fns
- License: MIT
- **react-day-picker** (9.9.0) - Date picker component for React
- Repository: https://github.com/gpbl/react-day-picker
- License: MIT
### Utilities & Helpers
- **lodash** (4.17.21) - A modern JavaScript utility library
- Repository: https://github.com/lodash/lodash
- License: MIT
- **crypto-js** (4.2.0) - JavaScript library of crypto standards
- Repository: https://github.com/brix/crypto-js
- License: MIT ### Carousel & Animation
- **embla-carousel-react** (8.6.0) - Embla Carousel for React
- Repository: https://github.com/davidjerleke/embla-carousel
- License: MIT
- **embla-carousel-autoplay** (8.6.0) - Autoplay plugin for Embla Carousel
- Repository: https://github.com/davidjerleke/embla-carousel
- License: MIT
- **embla-carousel-wheel-gestures** (8.1.0) - Wheel gestures plugin for Embla Carousel
- Repository: https://github.com/xiel/embla-carousel-wheel-gestures
- License: MIT
- **lottie-react** (2.4.1) - Lottie player as React component
- Repository: https://github.com/Gamote/lottie-react
- License: MIT
### Charts & Visualization
- **echarts-for-react** (3.0.2) - Apache ECharts components for React
- Repository: https://github.com/hustcc/echarts-for-react
- License: MIT
### Markdown & Content
- **react-markdown** (10.1.0) - Markdown component for React
- Repository: https://github.com/remarkjs/react-markdown
- License: MIT
- **rehype-raw** (7.0.0) - rehype plugin to parse the tree again
- Repository: https://github.com/rehypejs/rehype-raw
- License: MIT
- **remark-gfm** (4.0.1) - remark plugin to support GFM (GitHub Flavored Markdown) - Repository: https://github.com/remarkjs/remark-gfm
- License: MIT
### Browser & Device Detection
- **react-cookie** (8.0.1) - Universal cookies for React
- Repository: https://github.com/bendotcodes/cookies
- License: MIT -
**react-device-detect** (2.2.3) - Detect device for React
- Repository: https://github.com/duskload/react-device-detect
- License: MIT
- **react-intersection-observer** (9.16.0) - React implementation of the Intersection Observer API
- Repository: https://github.com/thebuilder/react-intersection-observer
- License: MIT
- **react-use-clipboard** (1.0.9) - Hook to copy to clipboard
- Repository: https://github.com/danoc/react-use-clipboard
- License: MIT
### Web - Apache License 2.0
- **firebase** (12.0.0) - Firebase JavaScript SDK
- Repository: https://github.com/firebase/firebase-js-sdk
- License: Apache-2.0
- **class-variance-authority** (0.7.1) - CVA for managing component variants
- Repository: https://github.com/joe-bell/cva
- License: Apache-2.0
### Web - ISC License
- **lucide-react** (0.501.0) - Beautiful & consistent React icons
- Repository: https://github.com/lucide-icons/lucide
- License: ISC ---
## Mobile Application Dependencies
### Core Framework
- **react** (19.0.0) - JavaScript library for building user interfaces
- Repository: https://github.com/facebook/react
- License: MIT
- **react-native** (0.79.1) - A framework for building native apps using React
- Repository: https://github.com/facebook/react-native
- License: MIT
### Navigation
- **@react-navigation/native** (^7.1.17) - Routing and navigation for React Native apps
- Repository: https://github.com/react-navigation/react-navigation
- License: MIT
- **@react-navigation/stack** (^7.4.8) - Stack navigator for React Navigation
- Repository: https://github.com/react-navigation/react-navigation
- License: MIT
- **react-native-screens** (^4.15.4) - Native navigation primitives
- Repository: https://github.com/software-mansion/react-native-screens
- License: MIT
- **react-native-safe-area-context** (^5.4.0) - Safe area context for React Native
- Repository: https://github.com/th3rdwave/react-native-safe-area-context
- License: MIT
### Firebase Integration
- **@react-native-firebase/app** (^22.4.0) - React Native Firebase core module
- Repository: https://github.com/invertase/react-native-firebase
- License: Apache-2.0
- **@react-native-firebase/auth** (^22.4.0) - Firebase Authentication for React Native
- Repository: https://github.com/invertase/react-native-firebase
- License: Apache-2.0
- **@react-native-firebase/messaging** (^22.4.0) - Firebase Cloud Messaging for React Native
- Repository: https://github.com/invertase/react-native-firebase
- License: Apache-2.0
### Authentication
- **@invertase/react-native-apple-authentication** (^2.4.1) - Apple authentication for React Native
- Repository: https://github.com/invertase/react-native-apple-authentication
- License: Apache-2.0
- **@react-native-google-signin/google-signin** (^15.0.0) - Google Sign-In for React Native
- Repository: https://github.com/react-native-google-signin/google-signin
- License: MIT
- **react-native-biometrics** (^3.0.1) - Biometric authentication for React Native
- Repository: https://github.com/SelfLender/react-native-biometrics
- License: MIT
### Data & Storage
- **@react-native-async-storage/async-storage** (^2.1.2) - Asynchronous, persistent, key-value storage system
- Repository: https://github.com/react-native-async-storage/async-storage
- License: MIT
- **@react-native-cookies/cookies** (^6.2.1) - Cookie manager for React Native
- Repository: https://github.com/react-native-cookies/cookies
- License: MIT
### HTTP & Networking
- **axios** (^1.12.0) - Promise based HTTP client
- Repository: https://github.com/axios/axios
- License: MIT
### UI & Interaction
- **react-native-gesture-handler** (^2.28.0) - Declarative API exposing platform native touch and gesture system
- Repository: https://github.com/software-mansion/react-native-gesture-handler
- License: MIT
- **react-native-svg** (^15.12.1) - SVG library for React Native
- Repository: https://github.com/software-mansion/react-native-svg
- License: MIT
- **lucide-react-native** (^0.542.0) - Beautiful & consistent React Native icons
- Repository: https://github.com/lucide-icons/lucide
- License: ISC
- **react-native-keyboard-aware-scroll-view** (^0.9.5) - ScrollView component that handles keyboard appearance
- Repository: https://github.com/APSL/react-native-keyboard-aware-scroll-view
- License: MIT
- **react-native-toast-message** (^2.3.3) - Animated toast message component for React Native
- Repository: https://github.com/calintamas/react-native-toast-message
- License: MIT
### Device & System
- **react-native-config** (^1.5.5) - Expose config variables to your javascript code
- Repository: https://github.com/luggit/react-native-config
- License: MIT
- **react-native-device-info** (^14.0.4) - Device Information for React Native
- Repository: https://github.com/react-native-device-info/react-native-device-info
- License: MIT
- **react-native-permissions** (^5.4.2) - Unified permissions API for React Native
- Repository: https://github.com/zoontek/react-native-permissions
- License: MIT
### Sharing & Intents
- **react-native-share** (^12.0.9) - Social share, sending simple data to other apps
- Repository: https://github.com/react-native-share/react-native-share
- License: MIT
- **react-native-send-intent** (^1.3.0) - React Native Android module to use Android's Intent actions
- Repository: https://github.com/lucasferreira/react-native-send-intent
- License: MIT
### Major Mobile Dependency Categories
#### Babel Ecosystem (MIT License) The project uses the Babel JavaScript compiler and its ecosystem from https://github.com/babel/babel
#### Firebase Web SDK (Apache-2.0 License) Includes various Firebase modules from https://github.com/firebase/firebase-js-sdk
#### Metro Bundler (MIT License) React Native's JavaScript bundler from https://github.com/facebook/metro
---
## License Texts
### MIT License
```
MIT License
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
```
### Apache License 2.0
```
Apache License Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files. "Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License.
"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work.
"Contribution" shall mean any work of authorship that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner.
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor.
2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work.
4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, provided that You meet the following conditions:
(a) You must give any other recipients of the Work or Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices stating that You changed the files; and
(c) You must retain all copyright, patent, trademark, and attribution notices from the Source form of the Work; and
(d) If the Work includes a "NOTICE" text file, then any Derivative Works must include a copy of the attribution notices contained within such NOTICE file.
5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License.
6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor.
7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
8. Limitation of Liability. In no event shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License.
9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer acceptance of support, warranty, indemnity, or other liability obligations.
END OF TERMS AND CONDITIONS
```
### ISC License
```
ISC License
Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
```
###
BSD-3-Clause License
```
BSD 3-Clause License Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
```
### BSD-2-Clause License
```
BSD 2-Clause License Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
```
---
## Compliance Notes
All libraries used in both projects are licensed under permissive open source licenses that allow for:
- Commercial use
- Modification
- Distribution
- Private use
### Requirements When Distributing #### Web Application When distributing the web application:
1. **Attribution**: Include this license document or equivalent attribution
2. **Copyright Notices**: Maintain copyright notices for all dependencies
3. **License Compliance**: Comply with the specific terms of each license type
#### Mobile Application
When distributing the mobile application:
1. **Attribution**: Include this license document or equivalent attribution in your app's legal notices
2. **Copyright Notices**: Maintain copyright notices for all dependencies
3. **License Compliance**: Comply with the specific terms of each license type: - **MIT/ISC**: Require copyright notice and license text in distributions - **Apache-2.0**: Require copyright notice, license text, and notice of modifications - **BSD**: Require copyright notice and disclaimer in documentation
### Mobile App - Platform-Specific Considerations
#### iOS - Apple App Store requires apps to include license information for third-party code
- Consider using a "Licenses" item in the Settings screen
#### Android
- Google Play Store recommends including license information in the app
- Consider adding an "Open Source Licenses" activity
---
## Updating This Document
### Web Application
```bash cd /path/to/heypoll-frontend/apps/web npx license-checker --production --summary --excludePrivatePackages
```
### Mobile Application
```
bash cd /path/to/heypoll-react-native-app npx license-checker --production --summary --excludePrivatePackages
```
---
## Additional Information
This document was generated on 2025-11-04 using [license-checker](https://www.npmjs.com/package/license-checker).
For the most up-to-date license information, please refer to the individual package repositories listed above.
---
## Contact
For questions about license compliance, please contact your legal team or refer to the individual package repositories listed above for specific license terms.