Let applications understand speech
FunASR.NET
Explore Mandarin speech AI in pure C#: recognition, synthesis, browser transcription, and telephone audio processing.
C# / .NETExplore project →
✦OPEN TO EVERY CREATOR
Built with .NET.
Boundless by nature.
From speech AI to foundational engines. From a line of C# to something real. Build what comes next, together with an open-source community in China.
Driven by curiosity. Built in the open.Every possibility starts with an idea.
.NETCODE WITHOUT LIMITS
AI, in C#Familiar C#. New possibilities.
</>Built in the open.Intelligence. Data. A connected world.
C# / .NET IDEAS IN ORBIT
INTELLIGENCE · DATA · CONNECTION 01 — ∞
15Public repositories
14 + 1Original projects / Upstream fork
One language. More possibilities.
.NET · SIMD · Vulkan · AOT
From foundational engines to real applications
01 /OPEN CODE. REAL CREATIONS.
Find your next possibility.
Thoughtfully built projects. Open to every contribution.
Give your code a new perspective
SimdYolo
Pure C# YOLO inference and detection-head fine-tuning, with object detection, instance segmentation, and pose estimation.
C# / .NETExplore project →
PureDb
A pure .NET embedded file database with SQL, JOINs, JSON, transactions, and ADO.NET for lightweight applications.
C# / .NETExplore project →
SimdSkia
An independent C# 2D renderer connecting CPU SIMD, Vulkan, Direct2D, and Avalonia desktop applications.
C# / .NETExplore project →
Serein
A pure .NET streaming engine for RTSP/RTP ingestion, media remuxing, live distribution, and recording.
C# / .NETExplore project →
Yunsevo Drive
.NET cloud file management and cross-platform synchronization, with permissions, version history, resumable transfers, and desktop / Android clients.
C# / .NETExplore project →
P2P VPN
An independent virtual-networking project with network and device management, P2P hole punching, clients, and separate relay nodes.
C# / .NETExplore project →
ProtoBus
A .NET multi-transport, multi-protocol communication framework aimed at industrial, IoT, and vehicle connectivity.
C# / .NETExplore project →
SimdPaddleOCR
A fork exploring pure C# PP-OCRv6 inference, connecting text detection, orientation classification, and recognition through a managed ONNX interpreter.
C# / .NETExplore project →
PaddleSharp
.NET/C# bindings for Paddle Inference and PaddleOCR, with OCR, detection, table recognition, and model tooling.
C# / .NETExplore project →
Sdcb Chats
A .NET LLM frontend and AI gateway connecting model providers through conversations, multimodal workflows, tools, and administration.
C# / .NETExplore project →
SimdPaddleOCR · upstream
Pure C# PP-OCRv6 inference with a managed ONNX interpreter and SIMD kernels for detection, orientation, and recognition.
C# / .NETExplore project →
OpenVINO.NET
High-quality .NET bindings for OpenVINO inference, with device selection, OpenCvSharp extensions, and OCR components.
C# / .NETExplore project →
Sdcb.FFmpeg
FFmpeg bindings and higher-level wrappers for C#/.NET, including media contexts, codec interfaces, filters, and frame helpers.
C# / .NETExplore project →
Sdcb.Arithmetic
A pure managed C# arithmetic library with BigInt, BigRational, correctly rounded Real, and .NET generic-math integration.
C# / .NETExplore project →
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Introductions based on public READMEsUpdated 2026-10-27
02 /ONE LANGUAGE. A WIDER WORLD.
Think in C#.
Build beyond boundaries.
Bring a familiar developer experience into new territory.
Speech.csC# / .NET
FunASR.NET
03 /YOUR NEXT COMMIT STARTS HERE
Every step counts.
New to .NET or ready for your first contribution? There is a place to start.
01 / LEARN
Start with .NET
Explore official Microsoft documentation for C#, .NET, and cross-platform development.
Read the official docs↗02 / BUILDMake something run
Pick a project, follow its README, and build your first experiment.
Find your project↗03 / CONTRIBUTEContribute a possibility
Report an issue, improve the docs, or send a pull request. Every contribution matters.
Join the discussion↗BUILDERS / COMMUNITY
Meet the people behind the code.
HN
Community member
Community memberhnlyf168 ↗
@hnlyf168
Builds C# AI, foundational engines, connected systems, and cross-platform apps, including FunASR.NET, SimdYolo, and PureDb.
Explore GitHub repositories ↗SD
Community member
Community memberZHOU Jie ↗
@sdcb
A C#/.NET developer maintaining PaddleSharp, Chats, OpenVINO.NET, and SimdPaddleOCR, sharing AI and developer-tooling work.
Explore GitHub repositories ↗OPEN CODE. SHARED FUTURE.
An idea of your own.
A possibility we share.
.NET China is a developer-led community exploring C#, AI, foundational engines, and cross-platform applications. Our GitHub organization, donet-org-cn, brings projects and contributors together through real code, reproducible experiments, and open discussion.