C++ Trending

godotengine /

godot

#1

Godot Engine – Multi-platform 2D and 3D game engine

opentoonz /

opentoonz

#6

OpenToonz - An open-source full-featured 2D animation creation software

78 /

xiaozhi-esp32

#3

An MCP-based chatbot | 一个基于MCP的聊天机器人

mozilla-ai /

llamafile

#5

Distribute and run LLMs with a single file.

facebook /

react-native

#4

A framework for building native applications using React

protocolbuffers /

protobuf

#2

Protocol Buffers - Google's data interchange format

vllm-project /

vllm-ascend

#14

Community maintained hardware plugin for vLLM on Ascend

tenstorrent /

tt-metal

#10

🤘 TT-NN operator library, and TT-Metalium low level kernel programming model.

facebook /

rocksdb

#8

A library that provides an embeddable, persistent key-value store for fast storage.

gem5 /

gem5

#7

The official repository for the gem5 computer-system architecture simulator.

grpc /

grpc

#15

C++ based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

NVIDIA /

cutlass

#16

CUDA Templates and Python DSLs for High-Performance Linear Algebra

facebook /

folly

#13

An open-source C++ library developed and used at Facebook.

fmtlib /

fmt

#9

A modern formatting library

assimp /

assimp

#12

The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.

jd-opensource /

xllm

#11

A high-performance inference engine for LLM, VLM, DiT and REC models, optimized for diverse AI accelerators.

godotengine /

godot

#2

Godot Engine – Multi-platform 2D and 3D game engine

tesseract-ocr /

tesseract

#13

Tesseract Open Source OCR Engine (main repository)

alibaba /

MNN

#7

MNN: A blazing-fast, lightweight inference engine battle-tested by Alibaba, powering high-performance on-device LLMs and Edge AI.

mozilla-ai /

llamafile

#6

Distribute and run LLMs with a single file.

CopterExpress /

clover

#4

ROS-based framework and RPi image to control PX4-powered drones 🍀

isl-org /

Open3D

#15

Open3D: A Modern Library for 3D Data Processing

google /

googletest

#1

GoogleTest - Google Testing and Mocking Framework

gabime /

spdlog

#8

Fast C++ logging library.

aenu1 /

aps3e

#19

An experimental Android PS3 emulator, ported and optimized based on RPCS3.

firebase /

firebase-ios-sdk

#12

Firebase SDK for Apple App Development

google /

perfetto

#9

Production-grade client-side tracing, profiling, and analysis for complex software systems.

ArduPilot /

ardupilot

#3

ArduPlane, ArduCopter, ArduRover, ArduSub source

grpc /

grpc

#17

C++ based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

microsoft /

microsoft-ui-xaml

#16

WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.

protocolbuffers /

protobuf

#14

Protocol Buffers - Google's data interchange format

tenstorrent /

tt-metal

#11

🤘 TT-NN operator library, and TT-Metalium low level kernel programming model.

apache /

brpc

#18

brpc is an Industrial-grade RPC framework using C++ Language, which is often used in high performance system such as Search, Storage, Machine learning, Advertisement, Recommendation etc. "brpc" means "better RPC".

ROCm /

rocm-systems

#5

super repo for rocm systems projects

godotengine /

godot

#1

Godot Engine – Multi-platform 2D and 3D game engine

hyprwm /

Hyprland

#18

Hyprland is an independent, highly customizable, dynamic tiling Wayland compositor that doesn't sacrifice on its looks.

LizardByte /

Sunshine

#7

Self-hosted game stream host for Moonlight.

tensorflow /

tensorflow

#2

An Open Source Machine Learning Framework for Everyone

ggml-org /

whisper.cpp

#14

Port of OpenAI's Whisper model in C/C++

mozilla-ai /

llamafile

#5

Distribute and run LLMs with a single file.

ocornut /

imgui

#6

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

OpenRCT2 /

OpenRCT2

#12

An open source re-implementation of RollerCoaster Tycoon 2 🎢

ClassicOldSong /

Apollo

#4

Sunshine fork - The easiest way to stream with the native resolution of your client device

Alexays /

Waybar

#3

Highly customizable Wayland bar for Sway and Wlroots based compositors. ✌️ 🎉

telegramdesktop /

tdesktop

#15

Telegram Desktop messaging app

NixOS /

nix

#17

Nix, the purely functional package manager

nlohmann /

json

#19

JSON for Modern C++

shadps4-emu /

shadPS4

#9

PlayStation 4 emulator for Windows, Linux, macOS and FreeBSD written in C++

hrydgard /

ppsspp

#8

A PSP emulator for Android, Windows, Mac, Linux and iOS, written in C++. Want to contribute? Join us on Discord at https://discord.gg/5NJB6dD or just send pull requests / issues.

doitsujin /

dxvk

#11

Vulkan-based implementation of D3D8, 9, 10 and 11 for Linux / Wine

wolfpld /

tracy

#10

Frame profiler

SteamClientHomebrew /

Millennium

#20

Open-source modding framework for creating and managing Steam Client themes and plugins.

mamedev /

mame

#13

MAME

PCSX2 /

pcsx2

#16

PCSX2 - The Playstation 2 Emulator

ggml-org /

llama.cpp

#5

LLM inference in C/C++

godotengine /

godot

#8

Godot Engine – Multi-platform 2D and 3D game engine

mozilla-ai /

llamafile

#15

Distribute and run LLMs with a single file.

ocornut /

imgui

#12

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

x64dbg /

x64dbg

#11

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

hyprwm /

Hyprland

#3

Hyprland is an independent, highly customizable, dynamic tiling Wayland compositor that doesn't sacrifice on its looks.

telegramdesktop /

tdesktop

#2

Telegram Desktop messaging app

LadybirdBrowser /

ladybird

#1

Truly independent web browser

OpenRCT2 /

OpenRCT2

#9

An open source re-implementation of RollerCoaster Tycoon 2 🎢

awalol /

DS5Dongle

#7

Turn your Pico 2 W into a DualSense 5 dongle.

rime /

weasel

#4

【小狼毫】Rime for Windows

shadps4-emu /

shadPS4

#10

PlayStation 4 emulator for Windows, Linux, macOS and FreeBSD written in C++

wolfpld /

tracy

#6

Frame profiler

wled /

WLED

#14

Control WS2812B and many more types of digital RGB LEDs with an ESP32 over WiFi!

luau-lang /

luau

#13

A small, fast, and embeddable programming language based on Lua with a gradual type system.

godotengine /

godot-cpp

#16

C++ bindings for the Godot script API

OpenRCT2 /

OpenRCT2

#7

An open source re-implementation of RollerCoaster Tycoon 2 🎢

awalol /

DS5Dongle

#5

Turn your Pico 2 W into a DualSense 5 dongle.

o3de /

o3de

#2

Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.

k2-fsa /

sherpa-onnx

#9

Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, HarmonyOS, Raspberry Pi, RISC-V, RK NPU, Axera NPU, Ascend NPU, x86_64 servers, websocket server/client, support 12 programming languages

tensorflow /

tensorflow

#15

An Open Source Machine Learning Framework for Everyone

Alexays /

Waybar

#6

Highly customizable Wayland bar for Sway and Wlroots based compositors. ✌️ 🎉

wazuh /

wazuh

#10

Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.

facebookresearch /

faiss

#18

A library for efficient similarity search and clustering of dense vectors.

notepad-plus-plus /

notepad-plus-plus

#13

Notepad++ official repository

organicmaps /

organicmaps

#11

🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!

protocolbuffers /

protobuf

#1

Protocol Buffers - Google's data interchange format

vllm-project /

vllm-ascend

#12

Community maintained hardware plugin for vLLM on Ascend

project-chip /

connectedhomeip

#16

Matter (formerly Project CHIP) creates more connections between more objects, simplifying development for manufacturers and increasing compatibility for consumers, guided by the Connectivity Standards Alliance.

ROCm /

rocm-systems

#4

super repo for rocm systems projects

deepseek-ai /

FlashMLA

#14

FlashMLA: Efficient Multi-head Latent Attention Kernels

tenstorrent /

tt-metal

#8

🤘 TT-NN operator library, and TT-Metalium low level kernel programming model.

duckdb /

duckdb

#11

DuckDB is an analytical in-process SQL database management system

k2-fsa /

sherpa-onnx

#13

Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, HarmonyOS, Raspberry Pi, RISC-V, RK NPU, Axera NPU, Ascend NPU, x86_64 servers, websocket server/client, support 12 programming languages

o3de /

o3de

#1

Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.

nlohmann /

json

#2

JSON for Modern C++

wazuh /

wazuh

#3

Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.

kvcache-ai /

Mooncake

#8

Mooncake is the serving platform for Kimi, a leading LLM service provided by Moonshot AI.

microsoft /

onnxruntime

#5

ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

fmtlib /

fmt

#4

A modern formatting library

PX4 /

PX4-Autopilot

#7

PX4 Autopilot Software

gabime /

spdlog

#10

Fast C++ logging library.

tenstorrent /

tt-metal

#12

🤘 TT-NN operator library, and TT-Metalium low level kernel programming model.

duckdb /

ducklake

#9

DuckLake is an integrated data lake and catalog format

MAZHARMIK /

Interview_DS_Algo

#6

Super Repository for Coding Interview Preperation

ocornut /

imgui

#5

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

allenk /

GeminiWatermarkTool

#7

VEO / Gemini 3.5 Nano Banana Pro watermark maintenance tool

duckdb /

duckdb

#13

DuckDB is an analytical in-process SQL database management system

google-deepmind /

mujoco

#16

Multi-Joint dynamics with Contact. A general purpose physics simulator.

cp-algorithms /

cp-algorithms

#6

Algorithm and data structure articles for https://cp-algorithms.com (based on http://e-maxx.ru)

notepad-plus-plus /

notepad-plus-plus

#15

Notepad++ official repository

opencv /

opencv

#11

Open Source Computer Vision Library

electron /

electron

#20

Build cross-platform desktop apps with JavaScript, HTML, and CSS

jrouwe /

JoltPhysics

#18

A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.

gabime /

spdlog

#8

Fast C++ logging library.

SerenityOS /

serenity

#14

The Serenity Operating System 🐞

google /

flatbuffers

#3

FlatBuffers: Memory Efficient Serialization Library

NVIDIA /

cutlass

#1

CUDA Templates and Python DSLs for High-Performance Linear Algebra

skypjack /

entt

#2

Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more

ai-dynamo /

nixl

#10

NVIDIA Inference Xfer Library (NIXL)

grpc /

grpc

#9

C++ based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

realsenseai /

librealsense

#19

RealSense SDK

simplefoc /

Arduino-FOC

#12

Arduino FOC for BLDC and Stepper motors - Arduino Based Field Oriented Control Algorithm Library

firebase /

firebase-ios-sdk

#4

Firebase SDK for Apple App Development

google /

benchmark

#17

A microbenchmark support library