Kadu was established in 2001. Over the years many people have contributed to the project. Here are some of them, who have done greatest work. In alphabetical order:
Bartosz Brachaczek (mail)
Piotr Galiszewski (mail)
Dariusz Jagodzik (mail) , inactive
Tomasz Jarzynka (mail) , inactive
Tomek was the founder of the project and it's first developer. Read about the beginnings of Kadu.
Roman Krzystyniak (mail) , inactive
Rafał Malinowski (mail)
Paweł Płuciennik (mail) , inactive
Michał Podsiadlik (mail)
Tomasz Rostański (mail)
Dawid Stawiarski (mail) inactive
Marcin Ślusarz (mail) , inactive
Wojciech Treter (mail)
Other contributors are listed in "About Kadu" window, available from "Help" menu. Many thanks to them, because without their work Kadu wouldn't be probably the best IM the world have ever seen.