Open Source Licenses
Last updated: August 30, 2026
About This Page
Color Hunt Together is built on open-source software. The projects below are used under their own licences, and their copyright notices are reproduced here as those licences require. Each remains the property of its own authors.
Map Data & Basemap
Map data is © OpenStreetMap contributors, available under the Open Database License (ODbL) -- see openstreetmap.org/copyright. The basemap is rendered from vector tiles provided by OpenFreeMap (openfreemap.org) using schema and styles from OpenMapTiles (openmaptiles.org), and displayed with MapLibre Native and MapLibre React Native, which are licensed under the BSD 2-Clause and BSD 3-Clause licences respectively.
MIT License
The following are used under the MIT License: React, React Native, React DOM, Expo and the Expo SDK modules (asset, camera, clipboard, constants, dev-client, device, file-system, font, image, image-manipulator, image-picker, linear-gradient, linking, localization, location, media-library, notifications, router, secure-store, sensors, sharing, splash-screen, status-bar, system-ui, tracking-transparency, updates, web-browser), MapLibre React Native, React Native Async Storage, React Native Google Sign-In, React Native Skia (Shopify), Supabase JS, React Native Gesture Handler, React Native Purchases and Purchases UI (RevenueCat), React Native QRCode SVG, React Native Reanimated, React Native Safe Area Context, React Native Screens, React Native SVG, React Native URL Polyfill, React Native View Shot, React Native Web, React Native Worklets, and UPNG.js.
MIT License Text
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
The following are used under the Apache License, Version 2.0: React Native Firebase (app and crashlytics) and React Native Google Mobile Ads. You may obtain a copy of the licence at apache.org/licenses/LICENSE-2.0. Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
BSD Licenses
jpeg-js is used under the BSD 3-Clause License. MapLibre Native is used under the BSD 2-Clause License. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the above copyright notice, this list of conditions and the following disclaimer are retained, and -- for the 3-Clause variant -- that 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 ARE DISCLAIMED.
Questions
If you believe an attribution here is incomplete or incorrect, email colorhunttogether@gmail.com and we will correct it.