I have used p9p for years because I like the GUI (in different modern laptops, always without external mouse). Other people prefer huge IDEs, many people prefer

I have used p9p for years because I like the GUI (in different modern laptops, always without external mouse). Other people prefer huge IDEs, many people prefer vim or emacs, and I also known some extremely good programmers who just use notepad. And yes, I am perfectly happy with that.