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#cpp20 (30 Repositories)

Ranked open-source repositories tagged with #cpp20, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

84.0%

Avg Review Latency

36.1h

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30 repositories tagged #cpp20

S TierC++ 153

fktn-k/fkYAML

A C++ header-only YAML library

83.0%
Merge Rate
<1h
First Review
100%
1st-Timers
4
Maintainers
A TierC++ 1.0k

StrikerX3/Ymir

Sega Saturn emulator

94.1%
Merge Rate
14h
First Review
100%
1st-Timers
4
Maintainers
A TierC++ 229

Conceptual-Machines/magda-core

An open ecosystem for music production.

86.2%
Merge Rate
1d
First Review
100%
1st-Timers
5
Maintainers
A TierC++ 330 11 GFIs

Awesome-Embedded-Learning-Studio/Tutorial_AwesomeModernCPP

A systematic modern C++ tutorial covering C++11-C++23, STL, concurrency, performance optimization, software engineering, embedded systems, networking, GUI, and real-world project practices.

87.0%
Merge Rate
-
First Review
75%
1st-Timers
3
Maintainers
A TierC++ 135

munich-quantum-toolkit/core

MQT Core - Reusable C++20 and Python libraries for quantum computing: the MQT Compiler Collection, built on MLIR and LLVM, together with decision diagrams, QIR execution, QDMI device access, SDK and HPC integrations, and structured benchmarks. It forms the backbone of the Munich Quantum Toolkit.

69.3%
Merge Rate
-
First Review
73%
1st-Timers
18
Maintainers
A TierC++ 2.9k

TheHPXProject/hpx

The C++ Standard Library for Parallelism and Concurrency

76.7%
Merge Rate
3d
First Review
80%
1st-Timers
27
Maintainers
A TierC++ 1.5k

axmolengine/axmol

Open-source C++ game engine with Lua for 2D and 3D games across mobile, desktop, WebAssembly, and Xbox (UWP).

63.4%
Merge Rate
6h
First Review
60%
1st-Timers
8
Maintainers
A TierC++ 446

mudler/vllm.cpp

a community oriented 1:1, vLLM-alike (Continuous batching, paged KV) engine in C++ with additional features (GGUF, RadixAttention, Cache-aware scheduling, ...)

56.8%
Merge Rate
15h
First Review
67%
1st-Timers
18
Maintainers
A TierC++ 144

offa/influxdb-cxx

InfluxDB C++ client library.

100.0%
Merge Rate
21h
First Review
100%
1st-Timers
1
Maintainers
A TierC++ 715

deathkiller/jazz2-native

🎮 · Jazz² Resurrection: Native C++ reimplementation of Jazz Jackrabbit 2

63.6%
Merge Rate
-
First Review
67%
1st-Timers
7
Maintainers
A TierC++ 420

cieslarmichal/faker-cxx

C++ Faker library for generating fake (but realistic) data.

100.0%
Merge Rate
3h
First Review
100%
1st-Timers
1
Maintainers
A TierC++ 168

jfalcou/spy

SPY - C++ Information Broker

100.0%
Merge Rate
9h
First Review
100%
1st-Timers
0
Maintainers
A TierC++ 119

munich-quantum-toolkit/qcec

MQT QCEC - A Tool for Quantum Circuit Equivalence Checking

90.0%
Merge Rate
-
First Review
100%
1st-Timers
2
Maintainers
A TierC++ 467 4 GFIs

JeanPhilippeKernel/RendererEngine

Zodiac Engine (ZEngine) — open-source 3D rendering engine in C++20 with Vulkan

72.9%
Merge Rate
14d
First Review
50%
1st-Timers
2
Maintainers
A TierC++ 809

fptn-project/fptn

FPTN VPN (Server + Desktop Client + FptnLibrary)

77.3%
Merge Rate
9d
First Review
33%
1st-Timers
4
Maintainers
A TierC++ 3.0k

odygrd/quill

Ultra-low-latency asynchronous C++17 logging and metrics library for performance-critical applications

83.8%
Merge Rate
7d
First Review
67%
1st-Timers
3
Maintainers
A TierC++ 139

OutpostUniverse/OPHD

OutpostHD - Open source remake of Sierra On-Line's Outpost

100.0%
Merge Rate
6d
First Review
100%
1st-Timers
1
Maintainers
A TierCMCMake 495 68 GFIs

vixcpp/vix

A modern C++ runtime for building fast and reliable applications.

90.0%
Merge Rate
20h
First Review
0%
1st-Timers
0
Maintainers
B TierC++ 290

crazyguitar/cppcheatsheet

C/C++ Cheat Sheet

100.0%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
A TierC++ 1.1k

libriscv/libriscv

The fastest RVA23 RISC-V sandbox

86.2%
Merge Rate
-
First Review
50%
1st-Timers
2
Maintainers
A TierC++ 163

robertoraggi/cplusplus

A compiler front end for the C++ language

92.0%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
B TierC++ 114

docwire/docwire

DocWire SDK: local-first C++20 data-processing infrastructure for deterministic, auditable, on-premise workflows. Supports 100+ formats, OCR, local AI, and opt-in cloud AI pipelines

62.5%
Merge Rate
17h
First Review
50%
1st-Timers
3
Maintainers
B TierC++ 1.5k 1 GFIs

mpusz/mp-units

The Domain-Correct Quantities and Units Library for C++ — full quantity kind safety, ISO 80000 compliant, C++29 standardization candidate.

80.0%
Merge Rate
-
First Review
100%
1st-Timers
2
Maintainers
B TierC++ 519

IppClub/Dora-SSR

A game engine for rapid development across devices, featuring a built-in Web IDE with intuitive toolchain.

77.8%
Merge Rate
-
First Review
80%
1st-Timers
1
Maintainers
B TierC++ 133

manhpham90vn/Deskhub

Open-source remote desktop for Windows, macOS, Linux, Android and iOS. Share your screen and control your computer over your own network or VPN.

100.0%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
B TierC++ 162

2600th/dlss5-video-player

Windows player that runs video, photos or GIFs through NVIDIA's DLSS 5 neural renderer, then compares the result with the original frame by frame. Local files or YouTube. Needs an RTX card and driver 610.47+. Community project, unsigned runtime. C++20, D3D12.

50.0%
Merge Rate
4h
First Review
100%
1st-Timers
1
Maintainers
B TierC++ 2.2k

alibaba/async_simple

Simple, light-weight and easy-to-use asynchronous components

100.0%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
B TierC++ 5.1k

nghttp2/nghttp2

nghttp2 - HTTP/2 C Library and tools

96.1%
Merge Rate
-
First Review
100%
1st-Timers
1
Maintainers
B TierC++ 713

celtera/libremidi

A modern C++ MIDI 1 / MIDI 2 real-time & file I/O library. Supports Windows, macOS, Linux and WebMIDI.

80.0%
Merge Rate
-
First Review
100%
1st-Timers
2
Maintainers
B TierC++ 563

ptsouchlos/thread-pool

A modern, fast, lightweight thread pool library based on C++2x

100.0%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
Best Cpp20 Open Source Repositories & C-Rank™ | GetMerged