1.OpenMathLib / OpenBLAS
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.
- blas
- lapack
- lapacke
+289 stars
from 7,374 · score 5.67
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
29 repositories by Attention Score · May 9, 2026 – Nov 4, 2026 (UTC)
2.mborgerding / kissfft
a Fast Fourier Transform (FFT) library that tries to Keep it Simple, Stupid
+107 stars
from 1,899 · score 4.68
3.ashvardanian / NumKong
SIMD-accelerated distances, dot products, matrix ops, geospatial & geometric kernels for 16 numeric types — from 6-bit floats to 64-bit complex — across x86, Arm, RISC-V, and WASM, with bindings for Python, Rust, C, C++, Swift, JS, and Go 📐
+106 stars
from 1,799 · score 4.67
+104 stars
from 2,178 · score 4.65
5.stevengj / nlopt
library for nonlinear optimization, wrapping many algorithms for global and local, constrained or unconstrained, optimization
+87 stars
from 2,201 · score 4.48
6.flame / blis
BLAS-like Library Instantiation Software Framework
- blis
- blas
- blas-libraries
- linear-algebra
- linear-algebra-library
- matrix-multiplication
- +8 more
+78 stars
from 2,620 · score 4.37
7.FFTW / fftw3
DO NOT CHECK OUT THESE FILES FROM GITHUB UNLESS YOU KNOW WHAT YOU ARE DOING. (See below.)
+72 stars
from 3,040 · score 4.29
8.hypre-space / hypre
Parallel solvers for sparse linear systems featuring multigrid methods.
- math-physics
- library
- hpc
- radiuss
+45 stars
from 830 · score 3.83
9.samtools / htslib
C library for high-throughput sequencing data formats
- htslib
- bioinformatics
- sam
- bam
- cram
- vcf
- +2 more
+39 stars
from 917 · score 3.69
10.ericstoneking / 42
Simulation for spacecraft attitude control system analysis and design
+39 stars
from 428 · score 3.69
11.libtom / libtommath
LibTomMath is a free open source portable number theoretic multiple-precision integer library written entirely in C.
- mpi
- libtommath
- c
- math
- multi-precision
+31 stars
from 782 · score 3.47
+31 stars
from 707 · score 3.47
13.msteinbeck / tinyspline
ANSI C library for NURBS, B-Splines, and Bézier curves with interfaces for C++, C#, D, Go, Java, Javascript, Lua, Octave, PHP, Python, R, and Ruby.
- nurbs
- b-splines
- bezier-curves
- splines
+29 stars
from 1,328 · score 3.40
14.datenwolf / linmath.h
a lean linear math library, aimed at graphics programming. Supports vec3, vec4, mat4x4 and quaternions
+29 stars
from 1,038 · score 3.40
15.MmgTools / mmg
open source software for bidimensional and tridimensional remeshing
- mesh
- mesh-adaptation
- anisotropic-mesh-adaptation
- isotropic-mesh-adaptation
- mesh-quality-improvement
- surface-improvement
- +11 more
+29 stars
from 462 · score 3.40
16.PetteriAimonen / libfixmath
Cross Platform Fixed Point Maths Library
+28 stars
from 861 · score 3.37
+24 stars
from 494 · score 3.22
18.jarun / bcal
:1234: Bits, bytes and general-purpose calculator
- storage
- storage-unit-converter
- command-line
- standalone
- terminal
- calculator
- +6 more
+22 stars
from 686 · score 3.14
19.rafat / wavelib
C Implementation of 1D and 2D Wavelet Transforms (DWT,SWT and MODWT) along with 1D Wavelet packet Transform and 1D Continuous Wavelet Transform.
- wavelets
- dwt
- continuous-wavelet-transform
- wavelet-packet-trees
- c
- cpp
+20 stars
from 429 · score 3.04
20.CEED / libCEED
CEED Library: Code for Efficient Extensible Discretizations
- ceed
- high-order
- exascale-computing
- api
- ecp
- high-performance-computing
- +5 more
+19 stars
from 254 · score 3.00
21.qhull / qhull
Qhull development for www.qhull.org -- Qhull 2020.2 (8.1-alpha1) at https://github.com/qhull/qhull/wiki
- qhull
- computational-geometry
- convex-hull
- delaunay-triangulation
- voronoi-diagram
- halfspace-intersection
- +3 more
+18 stars
from 810 · score 2.94
22.libMesh / libmesh
libMesh github repository
- fem
- finite-element-methods
- simulation
- parallel
- amr
- finite-element-analysis
- +2 more
+18 stars
from 744 · score 2.94
23.brandon-rhodes / pyephem
Scientific-grade astronomy routines for Python
+17 stars
from 883 · score 2.89
24.ebassi / graphene
A thin layer of graphic data types
- graphics-library
- vector
- transformations
- matrix
- 3d-transformations
- c
- +4 more
+16 stars
from 425 · score 2.83
25.ruby-numo / numo-narray
Ruby/Numo::NArray - New NArray class library
- numo
- narray
- ruby
- ruby-numo
- scientific-computing
+13 stars
from 456 · score 2.64
26.v923z / micropython-ulab
a numpy-like fast vector module for micropython, circuitpython, and their derivatives
- micropython-ulab
- numpy
- micropython
- module
- circuitpython
- openmv
- +5 more
+10 stars
from 493 · score 2.40
27.xiaoyeli / superlu
Supernodal sparse direct solver. https://portal.nersc.gov/project/sparse/superlu/
+8 stars
from 329 · score 2.20
+4 stars
from 184 · score 1.61
29.arturania / cspice
NASA/JPL SPICE Toolkit for C – patched for cross-platform compatibility
- astronomy
- astronomical-algorithms
- celestial-mechanics
- nasa
- ephemeris-calculations
- cross-platform
- +9 more
+1 stars
from 34 · score 0.69