SymPy has been accepted into GSoC again.
All students interested in applying, please start here
https://github.com/sympy/sympy/wiki/GSoC-2018-Student-Instructions.
The application period starts March 12, and the deadline is March 27.
Take a look at our ideas page, and discuss your idea with us here
https://github.com/sympy/sympy/wiki/GSoC-2018-Ideas
And please make note of our patch requirement. All applications must
have a pull request to SymPy merged.
Mentors, if you haven't added your name to the ideas page, please do
so. I will be inviting people to Google's site shortly.
Aaron Meurer