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Top 23 C++ Math Projects
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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Project mention: Symbolica 2.0: Programmable Symbols for Python and Rust | news.ycombinator.com | 2026-06-07
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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ExprTK
C++ Mathematical Expression Parsing And Evaluation Library https://www.partow.net/programming/exprtk/index.html
Project mention: Show HN: ExprTk High-Performance C++ Math Expression Parser Evaluation Engine | news.ycombinator.com | 2026-01-16 -
MathParser.org-mXparser
Math Parser: Java, C#, C++, Kotlin, Android, and all .NET platforms (Nuget, Maven, CMake). Supports .NET Framework, .NET Core, .NET Standard, Xamarin, and more. Features: rich built-in library of math functions, operators, constants. Flexible in user-defined arguments, functions. Expressions provided as plain text. Easy to use. Well documented.
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maths
Linear algebra library with vector swizzling, intersection tests and useful functions for games and graphics dev.
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SaaSHub
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ Math discussion
C++ Math related posts
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Vc: SIMD Vector Classes for C++
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Primesieve: Fast Prime Number Generator
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Show HN: ExprTk High-Performance C++ Math Expression Parser Evaluation Engine
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Comparing OpenBLAS and Accelerate on Apple Silicon for BLAS Routines
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Show HN: Utl:parallel – Work-stealing concurrency library for C++17
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Show HN: Yet another JSON lib (C++17)
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Hlslpp: Math library using HLSL syntax with multiplatform SIMD support
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A note from our sponsor - AppSignal
www.appsignal.com | 6 Oct 2026
Index
What are some of the best open-source Math projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | GLM | 11,253 |
| 2 | QuantLib | 7,645 |
| 3 | CGal | 6,062 |
| 4 | ceres-solver | 4,575 |
| 5 | Vc | 1,545 |
| 6 | symengine | 1,416 |
| 7 | hlslpp | 1,161 |
| 8 | primesieve | 1,121 |
| 9 | GamePhysicsCookbook | 1,079 |
| 10 | ExprTK | 1,027 |
| 11 | MathParser.org-mXparser | 954 |
| 12 | gcem | 836 |
| 13 | rtm | 801 |
| 14 | XaoS | 624 |
| 15 | muparser | 532 |
| 16 | primecount | 361 |
| 17 | UTL | 336 |
| 18 | Boost.Multiprecision | 267 |
| 19 | safe_numerics | 222 |
| 20 | Sand-Table | 206 |
| 21 | Wykobi | 184 |
| 22 | FastAD | 122 |
| 23 | maths | 108 |
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AppSignal knows why the f*#k it crashed.
Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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