Japan & Korea (Chinese & Asian Platforms): open-source projects that exist because someone reverse engineered a closed product, sorted by GitHub stars.
Third-party Pixiv Flutter client using the Pixiv app API
Third-party Pixiv Android client
Unofficial bgm.tv (Bangumi) anime tracking client for Android and iOS, built with React Native
Browser extension for batch downloading Pixiv artworks and novels
Third-party Pixiv desktop client for Windows
Downloader for Pixiv, Fanbox and related sites
Third-party Pixiv Android client
Browser extension for downloading Pixiv illustrations, ugoira and novels
A Pixiv client. Easy to search, browse, and download artworks.
一个支持免代理直连+多种额外特性功能优化的第三方 Pixiv android 客户端 | A third-party Pixiv Android client with modern design and many other enh...
Userscript plus aria2 batch downloader for Pixiv artists
Browser extension for batch downloading Pixiv Fanbox files
Pixiv crawler and batch downloader in the browser
Unofficial Pixiv client for Android and iOS, built with React Native
Command-line Pixiv illustration batch downloader
Unofficial cross-platform KakaoTalk client (TypeScript and Rust)
Ad blocker patch for the KakaoTalk Windows desktop client
Third-party Pixiv app for browsing illustrations without login
Pixiv client for Windows UWP
Pixiv illustration client built with Flutter and Rust
TweetDeck-style desktop Pixiv client
Pixiv browsing web app
Python Korean spell checker using Naver's spell check web service
Feature-rich Pixiv batch downloader browser extension
Downloads and processes links from Niconico (nicovideo.jp)
Unofficial pixiv app
Desktop downloader for Pixiv artworks and comics
Serverless Pixiv backend proxy and frontend
Unofficial KakaoTalk CLI and MCP server for macOS
Cross-platform third-party Pixiv client
一个使用Compose Multiplatform开发的第三方Pixiv客户端，支持国内直连
Pixiv Fanbox downloader
Python library for LINE Messenger's private API
Download tool for saving TVer programs
Promise-based client for the Pixiv app API
Recorder for radiko Japanese internet radio
R package for scraping Naver News articles and comments
Unofficial API library for Naver's Chzzk live streaming service
Third-party Pixiv app
Opens Korean encrypted secure emails without ActiveX
Gets a Pixiv OAuth refresh token for the pixivpy app API
Korean spell checker CLI using the Daum and Naver web services
Patches for KakaoTalk and DCInside Android apps
Pixiv client for Android
KakaoTalk CLI for AI agents - read and send messages via database + UI automation
Pixiv batch downloader for followed artists and bookmarks with an API
Python wrapper for the KakaoTalk LOCO and HTTP protocols
Async Python client for the Pixiv API
Recorder for radiko timefree programs
Pixiv API client for Node.js and React Native
Third-party Pixiv client
Unofficial KakaoTalk CLI for macOS
A Node.js module to make unofficial KakaoTalk bots
Pixiv terminal client, MCP server and Go SDK
Documented and tested wrapper around Pixiv's app API
Comment renderer compatible with Niconico's official player
为现代 Apple 平台设计的第三方 Pixiv 客户端，支持 iOS/iPadOS/macOS
It is work of Matti Virkkunen, link to http://altrepo.eu/git/line-protocol.git for latest update.
Backend of the Pixiv.cat image proxy
Unofficial Android and iOS client for pixivFANBOX
Library for bulk collecting Naver News articles
Python API for the Mercari marketplace
Python library for LINE's unofficial messaging API
Browser extension that overlays Niconico comments on other streaming services
Third-party Niconico video player for Windows 10
Niconico video downloader
Rips radiko radio programs
Collects and archives KakaoTalk Windows chats into SQLite by cycling rooms
Extracted and readable LINE client-side Thrift protocol definitions
OBS Studio plugin for streaming to Niconico Live
Unofficial Python API for the DCInside Korean forum
Material Design Pixiv app
Documentation of the Pixiv web Ajax API
Documentation of LINE's private Thrift messaging protocol
一款使用 SwiftUI 构建的，为 iOS 原生开发的第三方 Pixiv 客户端
Unofficial API library for the SOOP (AfreecaTV) live streaming platform
Unofficial LINE CLI for personal accounts: send messages, share files, automate with JSON
Unofficial PayPay API wrapper library
Unofficial LINE API in Go
Unofficial TypeScript library for the pixiv app API
Unofficial Naver LINE API for JavaScript (deprecated)
Unofficial LINE API for Ruby
Line-Unofficial-API
Promise-based unofficial API for the DCInside Korean forum
Unofficial LINE API
Unofficial KakaoTalk CLI for Windows
Go client for the Niconico API
Python library to fetch Niconico video data and downloads