最专业的Linux命令大全，内容包含Linux命令手册、Linux命令详解、Linux命令学习、Linux命令行与shell脚本编程大全、Linux命令实例讲解，值得收藏的Linux命令速查手册。
安全脉搏,高质量的全球互联网安全媒体和技术平台,安全爱好者们交流与分享前沿安全技术的最佳社区。分享技术，悦享品质，关注安全，深耕安全是安全脉搏多年来不变的宗旨和初心。
Install any command on any operating system and in Docker.
铁匠运维网 - 互联网技术交流社区
我们只关注Linux教程，Linuxboy。
Spring Cloud中文网-官方文档中文版
异常教程（www.exception.site）提供各类编程技术系列教程,让您能够学习并提高自己的编程技术.
mybatis data mapping framework for Java and .NET
Level up your Java code and explore what Spring can do for you.
AndroidXRef
玩Android是一个每日推荐20~30篇Android优质文章的站点，提供Android常用工具和常用网站，并以知识体系的形式展现所有的文章分类。
安宝传感器(www.android-gems.com)为你提供供求信息、行业资讯、技术资料、厂家代理商、招商代理等传感器行业服务.
Build beautiful, usable products faster. Material Design is an adaptable system—backed by open-source code—that helps teams build high quality digital experiences.
Find, discover and download the best apps and games for Android in the official Aptoide app store
提供Android OS在线源代码预览
A quick reference table of Android versions with SDK & API levels, version codes, codenames, cumulative usage, and more.
使用React来编写原生应用的框架
Angrytools offer free online tools for web development and mobile application. online gradient generator for browser and android devices
apkmirror-国外APK应用分发市场
Search Google Play and discover the best Android apps from AppBrain, the leading Android app directory.
为方便朋友入门安卓应用开发，整理的Android新手教程。突出一个简单明了，上手快。汇总了Android开发需要的知识，也讲解一些Java知...
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.
Fossdroid's aim is to promote free and open source apps on the Android platform: the newest, the trendiest and the most popular ones.
A categorized directory of libraries and tools for Android
Download APK for Android Game, Android App - Latest Version, Old Versions, Android Tablet, Android Smart TV, Android Wear, armeabi-v7a, arm64-v8a, x86, x86_x64 - Free
菜鸟教程(www.runoob.com)提供了编程的基础技术教程, 介绍了HTML、CSS、Javascript、Python，Java，Ruby，C，PHP , MySQL等各种编程语言的基础知识。
10000+ latest Free jQuery plugins with examples and tutorials for web & mobile developers.
快速上手∙业务模板∙最佳实践
全球最大的中文 Web 技术教程。
A live pastebin for HTML, CSS & JavaScript and a range of processors, including SCSS, CoffeeScript, Jade and more...
React 中文的论坛
Bootstrap是Twitter推出的一个用于前端开发的开源工具包。它由Twitter的设计师Mark Otto和Jacob Thornton合作开发，是一个CSS/HTML框架。
Plunker - Helping you build the web
TheCodePlayer plays code like a video helping people to learn front end technologies like HTML5, CSS3, Javascript, Jquery easily, quickly and interactively.
Vue.js - The Progressive JavaScript Framework
在线编码-CodePen
CodeSandbox is a cloud development platform that empowers developers to code, collaborate and ship projects of any size from any device in record time.
"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
