Last Updated: March 2026
Overview of Open Source Software
Overlap – Holiday Calendar integrates a range of open source software components to deliver its core functionality. Each component is utilised in strict accordance with its respective licence terms, thereby ensuring both transparency and compliance with open source requirements.
Included Open Source Components
- React Native
- Licensed under the MIT Licence – Copyright (c) Meta Platforms, Inc.
- Expo
- Licensed under the MIT Licence – Copyright (c) 2015-present 650 Industries, Inc.
- Nager.Date API
- MIT Licence – Free public holiday API
- @expo/vector-icons
- MIT Licence – Icon library for Expo
- react-native-safe-area-context
- MIT Licence – Safe area handling for React Native
- @react-native-async-storage/async-storage
- MIT Licence – Local data storage for React Native
- expo-notifications
- MIT Licence – Local push notifications for Expo
- expo-calendar
- MIT Licence – Calendar integration for Expo
- react-native-reanimated
- MIT Licence – Animations library for React Native
About the MIT Licence
The MIT Licence allows users to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the software, provided that the original copyright notice and permission notice are included in all copies.