Due to the external libraries we use, we release the entire Docear software under the free and open source licence GNU/GPL 2. Libraries and external programs we are using include:

Freeplane (GPL 2 or later)

JabRef (GPL 2)

JPod (BSD Licence)

However, if you want to use only code that we have written, please feel free to use it under any of the following licences: GPL 2 or later, and Apache 2 or later. If you want to use some of our code for projects not compatible with these licences, please contact us.