Games (miHoYo etc.) (Chinese & Asian Platforms): open-source projects that exist because someone reverse engineered a closed product, sorted by GitHub stars.
Server reimplementation for Genshin Impact
Third-party game launcher for miHoYo games
Exports Genshin Impact wish history from game logs and APIs
Modified AssetStudio for exploring and extracting Unity game assets
Arknights game data extracted from the client
Maintained continuation of Perfare's AssetStudio Unity asset extractor
Python module to extract, unpack and edit Unity assets
miHoYo BBS (Miyoushe) automation scripts using its private APIs
Multi-platform chat bot plugin that queries Genshin Impact account data via miHoYo APIs
Genshin Impact gacha record exporter
Batch unpacker for Arknights asset bundles
Unofficial tool that fetches and analyzes miHoYo gacha records (Genshin, Star Rail, ZZZ)
Python library for miHoYo BBS and HoYoLAB check-ins and data
Script that collects HoYoLAB daily check-in rewards
Async API wrapper for the HoYoLAB and Miyoushe APIs
Collection of APIs used by miHoYo games and apps
Private server reimplementation for Blue Archive (Steam)
Integrated Arknights asset management and extraction platform
Unified launcher for Genshin, Star Rail, Honkai 3rd and ZZZ
Blue Archive resource viewer
Tool and library that downloads the latest Blue Archive assets
Wuthering Waves server emulator in Rust
Downloads Blue Archive assets from different servers
Server software reimplementation for an anime game (Genshin Impact)
Node.js wrapper for fetching Genshin Impact player data
Blue Archive asset downloader
Zenless Zone Zero server emulator
Unofficial HoYoLAB API wrapper library
Anime game (Genshin Impact) server software reimplementation
Unofficial API wrapper for HoYoLAB: daily check-in, game records and redeem codes
Unofficial HoYoLAB API library for Genshin Impact data