- GoF Design Patterns in Raku(Perl6)
- Java implementation: https://github.com/i-tanaka730/design_pattern
- GoFのデザインパターンまとめ - Qiita https://qiita.com/i-tanaka730/items/c63c6c22abd1477e0ba0
- 増補改訂版Java言語で学ぶデザインパターン入門 https://www.amazon.co.jp/dp/4797327030
- Perl5 implementation: https://github.com/yusukebe/ruby-design-patterns
- Ruby implementation: https://github.com/yusukebe/p5-design-patterns