- Bash脚本指南:Advanced Bash-Scripting Guide
- Bash官方文档:Bash Reference Manual
- GCC编译器官方文档:Using the GNU Compiler Collection
- make官方文档:GNU
make
- awk官方文档:The GNU Awk User’s Guide
- grep官方文档:GNU Grep 3.7
- sed官方文档:sed, a stream editor
- wget官方文档:GNU Wget 1.21.1-dirty Manual
- curl文档:curl
- 命令行绘图工具:The Plotutils Package
- 解析器bison:bison
- 扫描器flex:Flex, A fast scanner generator
- AVL树GNU libavl