Once in a while someone comes around and ask hey, I love Xfce and would like to contribute, but where do I start? How can I be of use? How can I implement a fancy new feature?, I have no doubt the answer is 42. Unfortunately, we don’t have a supercomputer (and millions of years) to distill a meaning from that one-size-fits-all answer, therefore to offer proper guidance, some questions should be asked first, e.g. What exactly do you want to improve? Do you have any programming skills? Besides programming, how else would you like to help? It’s been a long time since I’ve been planning to write a comprehensive guide, I hope this to be helpful to hitchhikers and new contributors. As any open source project, there are several ways to collaborate, everyone is welcome to help in any or many ways they are able, in this guide I’m going to explain and give hints for all contribution forms I can think of.