Open source

Projects

113 original repositories on GitHub and 217 packages on NuGet. Curated by area below — numbers refresh daily.

GitHub stars: 5.1k
NuGet downloads: 3.24M
Docker pulls: 229k
Blog reads: 403.5k
NuGet packages: 217

AI inference

Running models inside .NET — from native bindings to pure-C# engines.

SimdPaddleOCR

Pure-C# PP-OCRv6 inference: hand-written SIMD kernels and GEMM, a managed ONNX interpreter, zero native deps. 2.0 adds Vulkan / Metal GPU.

OCRSIMDAVX-512NEONVulkanMetalNativeAOT

SimdGcdrNet

Pure-C# GCDRNet document shadow removal & appearance enhancement: bundled ONNX graph compiler, hand-written SIMD kernels, zero inference-engine deps; Vulkan / Metal / WASM.

DocumentShadow removalSIMDWASMVulkanMetal

PaddleSharp

.NET bindings for Baidu Paddle Inference — PaddleOCR, PaddleDetection and more, out of the box. One of the most popular OCR stacks in .NET.

OCRPaddleDetection

OpenVINO.NET

A high-quality .NET wrapper for the Intel OpenVINO™ toolkit — fast, frugal inference on CPUs and iGPUs.

OpenVINOIntelYOLO

HyMT2Sharp

Pure-C# inference for Tencent Hunyuan Hy-MT2 translation — no llama.cpp. 2.0 adds Vulkan / Metal GPU on top of CPU SIMD, with weights shipped on NuGet.

LLMTranslationGGUFVulkanMetal

opencvsharp-mini-runtime

A slim OpenCvSharp runtime tailored for server-side inference, on every platform.

AI apps & gateways

AI products and infrastructure for real users.

Sdcb Chats

A powerful LLM front-end and AI gateway: 22+ providers, code interpreter, Chat Completions / Messages / Responses compatible, works with Claude Code.

LLMGatewayReactDocker

csharp-runner

A fast, sandboxed C# runner built for LLM code interpreters over MCP.

code-pod

Docker-based code-interpreter platform giving LLMs isolated containers for execution and data analysis.

xiaomimimo-for-copilot

Pick Xiaomi MiMo models right from the Copilot Chat model picker — thinking, vision and agent tools, zero config.

LLM SDKs

Unofficial .NET SDKs for Chinese LLM platforms.

Sdcb.DashScope

Unofficial .NET SDK for Alibaba Cloud DashScope.

Sdcb.SparkDesk

Unofficial .NET SDK for iFlytek SparkDesk.

Sdcb.WenXinQianFan

Unofficial .NET SDK for Baidu Qianfan (ERNIE).

Sdcb.StabilityAI

Unofficial C# SDK for the Stability AI REST API.

Imaging, media & graphics

Video, RAW photos, 2D rendering — where AI data comes from.

Sdcb.FFmpeg

Low-level FFmpeg API for .NET generated by CppSharp — decoding, encoding, filters, muxing.

FFmpegVideoAudio

Sdcb.LibRaw

Camera RAW processing in C#, powered by LibRaw.

Sdcb.WordCloud

Generate word-cloud images in .NET — managed and cross-platform.

FlysEngine

Real-time 2D rendering utilities on Direct2D.

Sdcb.ScreenCapture

High-performance Windows screen capture via Desktop Duplication.

Numerics & science

Arbitrary precision math and physics simulation.

Sdcb.Arithmetic

A modern .NET library over GMP and MPFR — arbitrary precision with native speed and .NET ergonomics.

GMPMPFRBigInteger

n-body

N-body simulation in C# — the chaotic beauty of celestial motion.

Developer tools

Tools I built for myself and fellow developers.

五笔字根图解

Wubi 86 root viewer: type a character and see each root coloured stroke by stroke; codes and candidate order straight from Microsoft Wubi.

WubiReactCloudflare Pages

sdmap

A template engine for dynamic SQL, with 100k+ NuGet downloads.

blog-data

All sample code behind the “.NET骚操作” blog, mostly LINQPad scripts.

mini-winform

A tiny Win32 GUI toolkit for .NET Native AOT utilities.

Games & toys

Side quests.

blade

Spinning-blade arena — a small browser game.

hanzi-slider

A radical-mixing Chinese character toy for kids, with pinyin.

2019-ncp-simulation

Simulating the early-2020 epidemic spread in C#.

sorry

Meme GIF generator with ASP.NET Core and Sdcb.FFmpeg.

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