Alternatives and similar repositories for math:

Users that are interested in math are comparing it to the libraries listed below

• boostorg / multiprecision
  Boost.Multiprecision
  ☆208Updated last week
• boostorg / ublas
  Boost.uBlas
  ☆114Updated last month
• kokkos / mdspan
  Reference implementation of mdspan targeting C++23
  ☆430Updated last week
• xtensor-stack / xtl
  The x template library
  ☆211Updated 8 months ago
• blitzpp / blitz
  Blitz++ Multi-Dimensional Array Library for C++
  ☆410Updated 6 months ago
• bluescarni / mppp
  Multiprecision for modern C++
  ☆307Updated last month
• boostorg / mp11
  C++11 metaprogramming library
  ☆254Updated 2 weeks ago
• boostorg / gil
  Boost.GIL - Generic Image Library | Requires C++14 since Boost 1.80
  ☆180Updated 3 weeks ago
• boostorg / core
  Boost Core Utilities
  ☆137Updated last week
• boostorg / histogram
  Fast multi-dimensional generalized histogram with convenient interface for C++14
  ☆322Updated last month
• boostorg / spirit
  Boost.org spirit module
  ☆402Updated last month
• boostorg / algorithm
  Boost.org algorithm module
  ☆117Updated last month
• tcbrindle / span
  Implementation of C++20's std::span for older compilers
  ☆342Updated last year
• boostorg / leaf
  Lightweight Error Augmentation Framework
  ☆318Updated last week
• boostorg / graph
  Boost.org graph module
  ☆335Updated this week
• martinmoene / span-lite
  span lite - A C++20-like span for C++98, C++11 and later in a single-file header-only library
  ☆499Updated 7 months ago
• josuttis / jthread
  C++ class for a joining and cooperative interruptible thread (should become std::jthread)
  ☆189Updated 3 years ago
• boostorg / serialization
  Boost.org serialization module
  ☆122Updated last month
• boostorg / program_options
  Boost.org program_options module
  ☆109Updated last month
• boostorg / process
  Boost Process
  ☆126Updated this week
• boostorg / filesystem
  Boost.org filesystem module
  ☆162Updated last month
• stdgraph / graph-v2
  General-purpose C++ graph library
  ☆199Updated last week
• jbcoe / polymorphic_value
  A polymorphic value-type for C++
  ☆228Updated last year
• kthohr / gcem
  A C++ compile-time math library using generalized constant expressions
  ☆752Updated 7 months ago
• boostorg / json
  A C++11 library for parsing and serializing JSON to and from a DOM container in memory.
  ☆439Updated 2 weeks ago
• deepgrace / monster
  The Art of Template MetaProgramming (TMP) in Modern C++♦️
  ☆164Updated 7 months ago
• edouarda / brigand
  Instant compile time C++ 11 metaprogramming library
  ☆572Updated 2 years ago
• mpark / wg21
  Framework for Writing C++ Committee Papers
  ☆130Updated 2 weeks ago
• steven-varga / h5cpp
  C++17 templates between [stl::vector | armadillo | eigen3 | ublas | blitz++] and HDF5 datasets
  ☆144Updated 2 years ago
• boostorg / container
  STL-like containers from Boost
  ☆103Updated last month