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Top 23 C++ Artificial intelligence Projects
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ncnn
ncnn is a high-performance neural network inference framework optimized for the mobile platform
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AirSim
Open source simulator for autonomous vehicles built on Unreal Engine / Unity, from Microsoft AI & Research
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SSVM
WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and decentralized applications. It powers serverless apps, embedded functions, microservices, smart contracts, and IoT devices.
When TensorFlow.js offered a WASM backend, inference performance improved by 10x on CPUs. The WasmEdge runtime enables computer vision models to run on Raspberry Pi devices with sub-10ms inference latency. Cloudflare Workers now serve ML inference requests with zero cold start penalty.
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AdvancedLiterateMachinery
A collection of original, innovative ideas and algorithms towards Advanced Literate Machinery. This project is maintained by the OCR Team in the Language Technology Lab, Tongyi Lab, Alibaba Group.
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3dmatch-toolbox
3DMatch - a 3D ConvNet-based local geometric descriptor for aligning 3D meshes and point clouds.
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magnetron
A zero-dependency ML framework in C with a modern Python API for full control over execution and memory.
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universal
Large collection of number systems providing custom arithmetic for mixed-precision algorithm development and optimization for AI, Machine Learning, Computer Vision, Signal Processing, CAE, EDA, control, optimization, estimation, and approximation. (by stillwater-sc)
Project mention: Universal: A header-only C++ template library of custom arithmetic plug-in types | news.ycombinator.com | 2025-10-01 -
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vs-mlrt
Efficient CPU/GPU ML Runtimes for VapourSynth (with built-in support for waifu2x, DPIR, RealESRGANv2/v3, Real-CUGAN, RIFE, SCUNet, ArtCNN and more!)
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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).
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Index
What are some of the best open-source Artificial intelligence projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ncnn | 23,329 |
| 2 | AirSim | 18,199 |
| 3 | carlo | 14,032 |
| 4 | SSVM | 10,619 |
| 5 | Recast/Detour | 7,754 |
| 6 | interpret | 6,868 |
| 7 | tiny-cnn | 6,020 |
| 8 | SHOGUN | 3,071 |
| 9 | AdvancedLiterateMachinery | 1,829 |
| 10 | 3DWorld | 1,390 |
| 11 | frugally-deep | 1,125 |
| 12 | redtail | 1,045 |
| 13 | Veles | 917 |
| 14 | 3dmatch-toolbox | 899 |
| 15 | magnetron | 687 |
| 16 | GPBoost | 685 |
| 17 | AI-Toolbox | 669 |
| 18 | yarp | 594 |
| 19 | universal | 496 |
| 20 | btsk | 485 |
| 21 | vs-mlrt | 451 |
| 22 | mentals-ai | 449 |
| 23 | BayesOpt | 428 |
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