Holiday Calendar

Overlap — Holiday Calendar

Compare public holidays across 100+ countries. Find long weekends, bridge days, and never miss an opportunity.

Overlap · Open Source Licences

Overlap — Open Source Licences

Last Updated: March 2026

Overview

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 Components

  • React Native — MIT Licence, Copyright (c) Meta Platforms, Inc.
  • Expo — 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.