If you are interested in contributing to Wuhkag, you are more than welcome to drop a line and send it to the project administrator, Gabriele Bartolini. As every open-source application, Wuhkag needs contributions from everyone who is interested and comes up with new ideas.
There are several ways to contribute: the simplest one is probably to translate Wuhkag into your native language. At the moment, there are only 3 available translations (english, spanish and italian).
Wuhkag is in need of people with the following skills which regard programming and web technologies:
If your skills fall into one or more of these categories and you are willing to improve this piece of software, get in touch with the administrator of the project. Unfortunately, unless organisations, foundations and companies of the world wish to donate money to the project, every contributions shall be done for free.