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Top C/C++ Libraries 2025

GitHub Libraries → C/C++
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godotengine/godot 97K +383

added 3 months ago

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

C/C++ Game Engines Game Dev Libraries

opencv/opencv 82K +179

added 3 months ago

OpenCV: Open Source Computer Vision Library

C/C++ Computer Vision Libraries

ggml-org/llama.cpp 81K +632

added 3 months ago

LLM inference in C/C++

C/C++ LLM Libraries AI / ML Libraries

protocolbuffers/protobuf 67K +92

added 3 months ago

Protocol Buffers - Google's data interchange format

C/C++ Serialization Libraries

tesseract-ocr/tesseract 67K +253

added 3 months ago

Tesseract is an open source text recognition (OCR) Engine.

C/C++ OCR Libraries

ocornut/imgui 65K +264

added 2 months ago

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

C/C++ GUI Frameworks

commaai/openpilot 54K +97

added 3 months ago

openpilot is an open source advanced driver assistance system that works on 300+ car models of Toyota, Hyundai, Honda, and many other brands.

Python Autopilot Libraries C/C++ Autopilot Libraries

x64dbg/x64dbg 46K +103

added 2 months ago

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

C/C++ Windows Libraries Debugging Tools

nlohmann/json 45K +177

added 3 months ago

JSON for Modern C++

C/C++ JSON Libraries

grpc/grpc 43K +60

added 3 months ago

gRPC is a modern, open source, high-performance remote procedure call (RPC) framework that can run anywhere. gRPC enables client and server applications to communicate transparently, and simplifies the building of connected systems.

C/C++ RPC Libraries

clickhouse/clickhouse 41K +230

added 3 months ago

ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real-time.

C/C++ Databases

ggml-org/whisper.cpp 40K +329

added 2 months ago

High-performance inference of OpenAI's Whisper automatic speech recognition (ASR) model.

C/C++ AI / ML Libraries Speech Recognition Libraries

aria2/aria2 37K +110

added 3 months ago

aria2 is a lightweight multi-protocol & multi-source, cross platform download utility operated in command-line.

C/C++ CLI Libraries

google/googletest 36K +71

added 3 months ago

GoogleTest - Google Testing and Mocking Framework

C/C++ Testing Libraries Mocking Libraries

facebookresearch/faiss 35K +235

added 2 months ago

A library for efficient similarity search and clustering of dense vectors. Faiss is written in C++ with complete wrappers for Python/numpy

C/C++ AI / ML Libraries LLM Libraries Search Libraries Python AI / ML Libraries LLM Libraries Search Libraries

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