1.catchorg / Catch2
A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)
+1,306 stars
from 20,234 · score 7.18
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
35 repositories by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
2.federico-busato / Modern-CPP-Programming
Modern C++ Programming Course (C++03/11/14/17/20/23/26)
+1,158 stars
from 15,112 · score 7.06
+866 stars
from 42,714 · score 6.77
4.changkun / modern-cpp-tutorial
📚 Modern C++ Tutorial: C++11 to C++26 On the Fly | https://changkun.de/modern-cpp/
+678 stars
from 25,258 · score 6.52
5.AnthonyCalandra / modern-cpp-features
A cheatsheet of modern C++ language and library features.
+418 stars
from 21,515 · score 6.04
6.rigtorp / awesome-modern-cpp
A collection of resources on modern C++
+274 stars
from 12,912 · score 5.62
7.doctest / doctest
The fastest feature-rich C++11/14/17/20/23 single-header testing framework
+238 stars
from 6,664 · score 5.48
8.andreasfertig / cppinsights
C++ Insights - See your source code with the eyes of a compiler
+225 stars
from 4,462 · score 5.42
9.p-ranav / awesome-hpp
A curated list of awesome header-only C++ libraries
+111 stars
from 4,073 · score 4.72
10.max0x7ba / atomic_queue
C++14 concurrent lock-free low-latency queue.
+66 stars
from 1,836 · score 4.20
11.gansm / finalcut
A Modern C++ Text-Based Widget Toolkit (TUI)
+42 stars
from 1,168 · score 3.76
12.fraillt / bitsery
Your binary serialization library
+36 stars
from 1,233 · score 3.61
13.VcDevel / Vc
SIMD Vector Classes for C++
+33 stars
from 1,517 · score 3.53
14.palacaze / sigslot
A simple C++14 signal-slots implementation
+31 stars
from 883 · score 3.47
15.aurora-opensource / au
A C++14-compatible physical units library with no dependencies and a single-file delivery option. Emphasis on safety, accessibility, performance, and developer experience.
+31 stars
from 418 · score 3.47
16.p-ranav / tabulate
Table Maker for Modern C++
+30 stars
from 2,149 · score 3.43
17.vimpunk / mio
Cross-platform C++11 header-only library for memory mapped file IO
+29 stars
from 1,932 · score 3.40
18.bfgroup / Lyra
A simple to use, composable, command line parser for C++ 11 and beyond
+22 stars
from 583 · score 3.14
19.Dobiasd / FunctionalPlus
Functional Programming Library for C++. Write concise and readable C++ code.
+20 stars
from 2,276 · score 3.04
20.martinus / robin-hood-hashingArchived
Fast & memory efficient hashtable based on robin hood hashing for C++11/14/17/20
+20 stars
from 1,600 · score 3.04
21.NVIDIA / thrustArchived
[ARCHIVED] The C++ parallel algorithms library. See https://github.com/NVIDIA/cccl
+16 stars
from 4,978 · score 2.83
22.rpclib / rpclib
rpclib is a modern C++ msgpack-RPC server and client library
+16 stars
from 1,823 · score 2.83
23.fktn-k / fkYAML
A C++ header-only YAML library
+16 stars
from 138 · score 2.83
24.cbeck88 / visit_struct
A miniature library for struct-field reflection in C++
+15 stars
from 641 · score 2.77
25.ldionne / dyno
Runtime polymorphism done right
+13 stars
from 1,032 · score 2.64
26.pmed / v8pp
Bind C++ functions and classes into V8 JavaScript engine
+13 stars
from 954 · score 2.64
27.renatoGarcia / icecream-cpp
🍦 Never use cout/printf to debug again
+13 stars
from 737 · score 2.64
28.mattgodbolt / seasocks
Simple, small, C++ embeddable webserver with WebSockets support
+12 stars
from 777 · score 2.56
29.arun11299 / cpp-jwt
JSON Web Token library for C++
+9 stars
from 433 · score 2.30
30.Dobiasd / frugally-deep
A lightweight header-only library for using Keras (TensorFlow) models in C++.
+8 stars
from 1,121 · score 2.20
31.mpark / variant
C++17 `std::variant` for C++11/14/17
+8 stars
from 709 · score 2.20
32.Bhupesh-V / 30-seconds-of-cppArchived
30 Seconds of C++ (STL in C++). Read More about 30C++ here 👉
+7 stars
from 1,482 · score 2.08
33.SqliteModernCpp / sqlite_modern_cpp
The C++14 wrapper around sqlite library
+6 stars
from 942 · score 1.95
34.NVIDIA / libcudacxxArchived
[ARCHIVED] The C++ Standard Library for your entire system. See https://github.com/NVIDIA/cccl
+3 stars
from 2,297 · score 1.39
35.NativeInstruments / ni-media
NI Media is a C++ library for reading and writing audio streams.
+3 stars
from 251 · score 1.39