[nascentmind]

Opening up bit streams would be really great. I am still hoping that someday we have completely open source FPGA tools.

[nickpsecurity]

Here's some fun reading for you:

Open-source FPGA http://www.eecs.berkeley.edu/Pubs/TechRpts/2014/EECS-2014-43...

Open-source, bitstream generation for Xilinx http://drop.isi.edu/sites/default/files/users/nsteiner/soni-...

Open-source tooling for lattice http://www.clifford.at/icestorm/

Open-source EDA flow http://opencircuitdesign.com/qflow/

Older, academic tooling for FPGA's http://www.eecg.toronto.edu/~jayar/pubs/rose/rosefpga12.pdf