Regularly in use

• Languages: Python including numpy, scipy etc., C/C++, Matlab/Octave
• Computer vision libraries: OpenCV with Python and C++
• GPU related frameworks/libraries: CUDA, OpenCL, PyOpenCL, clFFT, gpyfft
• Deep learning frameworks: Torch/PyTorch, TensorFlow, Caffe, Keras
• Others: Resolve studio, LaTex

Earlier usage:

• VHDL, Verilog, assembly languages (different platforms)