Google Summer of Code 2015 ("a program that offers student developers stipends to write code for various open source projects.") has announced the accepted mentoring organisations yesterday, among them the International Neuroinformatics Coordinating Facility (INCF). Under the umbrella of the INCF, it is possible to work on Brian! We have added an idea for a project ("Improving the Brian simulator's interoperability with simulator-independent model-description languages") to the INCF webpage, but you are free to come up with a proposal of your own.
The application period starts on March 16th, but now would be the time to discuss ideas with us. Head over to our mailing list (firstname.lastname@example.org) if you have questions and/or ideas.