Armadillo alternatives and similar libraries

Based on the "Math" category.

GLM

9.1 9.0 L1 Armadillo VS GLM

OpenGL Mathematics (GLM)
QuantLib

8.6 9.8 L1 Armadillo VS QuantLib

The QuantLib C++ library

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OpenBLAS

8.6 9.8 Armadillo VS OpenBLAS

OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.
CGal

8.4 10.0 L1 Armadillo VS CGal

The public CGAL repository, see the README below
ceres-solver

8.0 8.3 L1 Armadillo VS ceres-solver

A large scale non-linear optimization library
Eigen

7.1 - Armadillo VS Eigen

A high-level C++ library of template headers for linear algebra, matrix and vector operations, numerical solvers and related algorithms. [MPL2]
TinyExpr

6.2 2.9 L4 Armadillo VS TinyExpr

tiny recursive descent expression parser, compiler, and evaluation engine for math expressions
Vc

5.9 6.1 L1 Armadillo VS Vc

SIMD Vector Classes for C++
MIRACL

5.1 0.0 L1 Armadillo VS MIRACL

MIRACL Cryptographic SDK: Multiprecision Integer and Rational Arithmetic Cryptographic Library is a C software library that is widely regarded by developers as the gold standard open source SDK for elliptic curve cryptography (ECC).
linmath.h

5.1 0.0 Armadillo VS linmath.h

a lean linear math library, aimed at graphics programming. Supports vec3, vec4, mat4x4 and quaternions
ExprTK

5.1 0.0 L1 Armadillo VS ExprTK

C++ Mathematical Expression Parsing And Evaluation Library https://www.partow.net/programming/exprtk/index.html
NT2

5.0 5.6 Armadillo VS NT2

DISCONTINUED. A SIMD-optimized numerical template library that provides an interface with MATLAB-like syntax. [Boost]
LibTomMath

5.0 6.8 L2 Armadillo VS LibTomMath

LibTomMath is a free open source portable number theoretic multiple-precision integer library written entirely in C.
Klein

4.6 0.0 Armadillo VS Klein

P(R*_{3, 0, 1}) specialized SIMD Geometric Algebra Library
muparser

4.1 6.7 L1 Armadillo VS muparser

muparser is a fast math parser library for C/C++ with (optional) OpenMP support.
HLSL++

3.7 7.7 Armadillo VS HLSL++

Math library using hlsl syntax with SSE/NEON support
GMTL

3.7 0.0 L1 Armadillo VS GMTL

Generic Math Template Library (forked from http://ggt.sourceforge.net/)
Boost.Multiprecision

3.5 8.1 L1 Armadillo VS Boost.Multiprecision

Boost.Multiprecision
safe_numerics

3.2 0.0 Armadillo VS safe_numerics

Replacements to standard numeric types which throw exceptions on errors
Apophenia

3.1 0.0 L2 Armadillo VS Apophenia

A C library for statistical and scientific computing
blaze

3.1 - Armadillo VS blaze

high-performance C++ math library for dense and sparse arithmetic. [BSD]
Wykobi

3.0 0.0 Armadillo VS Wykobi

Wykobi C++ Computational Geometry Library https://www.wykobi.com
Versor

1.7 0.0 Armadillo VS Versor

[older version] Versor 1.0 C++ library for conformal geometric algebra draw routines
metamath

1.6 0.0 Armadillo VS metamath

Meta mathematics. Symbolic functions and derivatives.
SLIMCPP

1.5 2.9 Armadillo VS SLIMCPP

Simple Long Integer Math for C++. Lightweight cross-platform header-only library what implements big integer arithmetic in С++17.
Xerus

1.5 0.0 Armadillo VS Xerus

A general purpose library for numerical calculations with higher order tensors, Tensor-Train Decompositions / Matrix Product States and other Tensor Networks
Mission : Impossible (AutoDiff)

1.3 0.0 Armadillo VS Mission : Impossible (AutoDiff)

A concise C++17 implementation of automatic differentiation (operator overloading)
ceval

1.2 0.0 Armadillo VS ceval

A C/C++ library for parsing and evaluation of arithmetic expressions.
macadam

0.9 0.0 Armadillo VS macadam

DISCONTINUED. Numerical library. Complete BLAS. Hybrid cpp98/cpp11 c99/c11
GMP

- Armadillo VS GMP

A C/C++ library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating-point numbers. [LGPL3 & GPL2]