Linux kernel source tree
Apache Dubbo is a high-performance, java based, open source RPC framework.
The Kotlin Programming Language
The Prometheus monitoring system and time series database.
The PHP Interpreter
Lean's OpenWrt source
Ghidra is a software reverse engineering (SRE) framework
清华大学计算机系课程攻略 Guidance for courses in Department of Computer Science and Technology, Tsinghua University