My Pick
On my desktops and notebooks GNU/Linux rules. On my browsers, HN, StackOverflow, Jupyter, imdb, and last.fm have permanently open tabs. On my IDEs/editors, Python, modern Fortran, C and C++ are familiar.
Tagged with: C/C++, Fortran 2008, GNU/Linux, hacker news, imdb, ipython, jupyter, last.fm, python, stack overflow