AOSP(Android Open Source Project)项目官网：https://source.android.com/
如果想了解如何将源码下载到本地进行查看，请直接参考https://source.android.com/setup/downloading，里面有介绍。
AOSP源码占用空间较大，有时不方便通过下载到本地的方式进行查看，可以考虑使用下列网址在线查看：
- Android Code Search: https://cs.android.com/
- AOSPXRef: http://aospxref.com/
- androidxref: http://androidxref.com/
- Android Cross Reference: http://aosp.opersys.com/
- Android OS: https://www.androidos.net.cn/sourcecode
- Git repositories on android: https://android.googlesource.com/
其它曾经关注的AOSP相关网址：
- Building Android: https://source.android.com/setup/build/building
- Codenames, Tags, and Build Numbers: https://source.android.com/setup/start/build-numbers
- Graphics: https://source.android.com/devices/graphics
Linux源码相关网址：
- The Linux Kernel Archives: https://www.kernel.org/
- Elixir Cross Referencer: https://elixir.bootlin.com/linux/latest/source
- Linux online: https://code.woboq.org/linux/linux/