Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure. Learn more →
Top 10 C++ .NET Projects
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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sherpa-onnx
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, Ascend NPU, x86_64 servers, websocket server/client, support 12 programming languages
There are many streaming ASR models based on CTC or RNNT. Look for example at sherpa (https://github.com/k2-fsa/sherpa-onnx), which can run streaming ASR, VAD, diarization, and many more.
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MathParser.org-mXparser
Math Parser: Java, C#, C++, Kotlin, Android, and all .NET platforms (Nuget, Maven, CMake). Supports .NET Framework, .NET Core, .NET Standard, Xamarin, and more. Features: rich built-in library of math functions, operators, constants. Flexible in user-defined arguments, functions. Expressions provided as plain text. Easy to use. Well documented.
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Coral
Coral is a C++/C# wrapper around the .NET CoreCLR library, the purpose of Coral is to provide a native interface similar to Mono, but in a more modern style, and using .NET Core instead of .NET Framework (by StudioCherno)
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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LibSass Host
.NET wrapper around the LibSass library with the ability to support a virtual file system.
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AOs
AOs for every system! A middle-ground between Windows Command Prompt and PowerShell. (by SrijanSriv211)
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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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- A note from our sponsor - Stream getstream.io | 22 Dec 2025
Index
What are some of the best open-source .NET projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | react-native-windows | 17,119 |
| 2 | sherpa-onnx | 9,371 |
| 3 | puerts | 5,818 |
| 4 | MathParser.org-mXparser | 940 |
| 5 | fhash | 418 |
| 6 | Coral | 301 |
| 7 | DotX64Dbg | 229 |
| 8 | LibSass Host | 86 |
| 9 | AOs | 10 |
| 10 | Dotnet-DesktopDuplication | 0 |
Sponsored
InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com