2. XframeC++ multi-dimensional labeled arrays and dataframe based on xtensor
3. XtensorC++ tensors with broadcasting and lazy computing
6. XsimdC++ wrappers for SIMD intrinsics and parallelized, optimized mathematical functions (SSE, AVX, NEON, AVX512)
8. xtensor-zarrImplementation of the Zarr core protocol (version 2 and 3) based on xtensor.
11. zarrayDynamically typed N-D expression system based on xtensor