🔥 Android developers should collect the following utils(updating).

📱 Collaborative List of Open-Source iOS Apps

API Documentation Browser

收集&推荐优秀的 Apps/硬件/技巧/周边等

Open source UI framework written in Python, running on Windows, Linux, macOS, Android and iOS

⚡ Native, high-performance, cross-platform desktop apps - built with Reason!

Dash gives your iPad and iPhone instant offline access to 200+ API documentation sets

🔥正在成为史上最全分类 Android 开源大全~~~~（长期更新 Star 一下吧）

Elegant Facebook Messenger desktop app

🎨 Classic MS Paint, ＲＥＶＩＶＥＤ + ✨Extras

An Android Alerting Library

No clever tagline needed

📚A pure reading App based on Material Design + MVP + RxJava2 + Retrofit + Dagger2 + Realm + Glide

Kubernetes-based, scale-to-zero, request-driven compute

Create a good-looking DMG for your macOS app in seconds

LeafPic is a fluid, material-designed alternative gallery, it also is ad-free and open source under GPLv3 license. It doesn't miss any of the main features of a stock gallery, and we also have plans to add more useful features.

微信小程序--基于wepy 商城(微店)微信小程序 欢迎学习交流

Empower your website frontends with layouts, meta-data, pre-processors (markdown, jade, coffeescript, etc.), partials, skeletons, file watching, querying, and an amazing plugin system. DocPad will streamline your web development process allowing you to craft powerful static sites quicker than ever before.

📱 Wire for iOS (iPhone and iPad)

A modern, lightweight text editor with a minimalist design.

Refined Evernote desktop app

GitHub client for Android based on the abandoned official app

The Art World in Your Pocket or Your Trendy Tech Company's Tote, Artsy's iOS app.

基于Google Flutter的开源中国客户端，支持Android和iOS。

More than 130+ pages in this beautiful app and more than 45 developers has contributed to it.

WordPress for Android

版本检测升级（更新）库。an auto check version library（app update） on Android

Now playing controller from Apple Music, Mail & Podcasts Apple's apps.

⚡致力于打造一款极致体验的 http://www.wanandroid.com/ 客户端，知识和美是可以并存的哦QAQn(*≧▽≦*)n

💝The Plus (ThinkSNS+) is a powerful, easy-to-develop social system built with Laravel.