# Arcaea Offline English | [简体中文](./README.zh_Hans.md) > Accept lrlowiro ## WIP > **Warning** > This project is under active development, thus it is unstable and API may change frequently. ## What is this? This is the core library of `Arcaea Offline`, designed to manage player scores, calculate their potential, and provide various useful tools. ## How to use this? This repository is a python library. For general users, if you don't know what is a "library", you may be interested about [this GUI](https://github.com/283375/arcaea-offline-pyside-ui). For developers, the documentation is under construction. Check back later! ## License This file is part of arcaea-offline. arcaea-offline is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. arcaea-offline is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with arcaea-offline. If not, see . ## Credits [Arcaea-Infinity/ArcaeaSongDatabase](https://github.com/Arcaea-Infinity/ArcaeaSongDatabase)