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Core Alternatives
Similar projects and alternatives to core
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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ASP.NET Core
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
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Avalonia
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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Introducing .NET Multi-platform App UI (MAUI)
.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.
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Uno Platform
Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.
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sdk
Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI (by dotnet)
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Oberon
Oberon parser, code model & browser, compiler and IDE with debugger, and an implementation of the Oberon+ programming language
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runtimelab
This repo is for experimentation and exploring new ideas that may or may not make it into the main dotnet/runtime repo.
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interactive
Discontinued .NET Interactive combines the power of .NET with many other languages to create notebooks, REPLs, and embedded coding experiences. Share code, explore data, write, and learn across your apps in ways you couldn't before.
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zerosharp
Demo of the potential of C# for systems programming with the .NET native ahead-of-time compilation technology.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better core alternative or higher similarity.
core discussion
core reviews and mentions
Posts with mentions or reviews of core.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-08-25.
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.NET 10 ActivitySamplingResult PropagationData: Why Recorded Turns False
I also keep the framework baseline visible. The sample was verified on the stable .NET 10.0.11 runtime included with SDK 10.0.303; Microsoft's 10.0.11 release notes list that supported SDK/runtime pairing.
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.NET 10 BufferedStream WriteByte: Flush Full Buffers Explicitly
This is stable behavior in .NET 10 LTS, not a preview feature. I verified the sample with SDK 10.0.303 and the 10.0.11 runtime, alongside runtime 9.0.18 for the old contract.
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.NET 10 JSON Console Logging: Stop Parsing State.Message
I verified the sample with .NET SDK 10.0.303 and runtime 10.0.11; the official 10.0.11 release notes identify that patch as a supported .NET 10 release. The contract change applies to .NET 10 generally, not only that patch.
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.NET (OK, C#) gets union types
It starts with the experiment,
https://github.com/dotnet/runtimelab/issues/2398
Which ended with,
> We have chosen to place the green threads experiment on hold and instead keep improving the existing (async/await) model for developing asynchronous code in .NET. This decision is primarily due to concerns about introducing a new programming model. We can likely provide more value to our users by improving the async model we already have. We will continue to monitor industry trends in this field.
Now three years later we have,
https://github.com/dotnet/core/blob/main/release-notes/11.0/...
> Runtime async is a major runtime feature in .NET 11 that introduces new runtime-level infrastructure for async methods. The goal is to improve tooling and performance for async-heavy codepaths. For more details and to track progress, see the Runtime Async epic issue.
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I Fixed Windows Native Development
https://github.com/dotnet/core/blob/main/release-notes/10.0/...
.NET 10 supports a Windows 10 build from 10 years ago.
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Building Your First AI Agent in C# with Microsoft Agent Framework
.NET 9 SDK (or later) — download here
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Capture Checking in Scala
I am usually a big critic of Go's design, but if the option is between C or Go, I would rather put up with Go.
F# has suffered from Microsoft not really caring that much, it almost feels that management has repented to have added into Visual Studio 2010, and now mostly carries it around, based on the work of volunteers, with a rather small team.
Even the release notes aren't part of .NET proper,
While VB folks document directly what is changing,
https://github.com/dotnet/core/blob/main/release-notes/10.0/...
F# notes tell readers to click into yet another link to the F# repo,
https://github.com/dotnet/core/blob/main/release-notes/10.0/...
https://fsharp.github.io/fsharp-compiler-docs/release-notes/...
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Dotnet Run App.cs
> hypothetical cold start times
Long standing complaint about .NET / .NET Core
2017 Github issue: https://github.com/dotnet/core/issues/1060
2018 Github issue: https://github.com/dotnet/core/issues/1968
Regular people complaining, asking, and writing about it for years: https://duckduckgo.com/?t=ffab&q=cold+start+NET.&ia=web
Right up to this thread, today.
Why are you denying that this exists?
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Past, Present, and Future of Sorbet Type Syntax
nope, still recovering: https://github.com/dotnet/core/blob/main/release-notes/10.0/...
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Preview 2 of .NET AI Chat Web App Template Now Available
.NET 8.0: Release Notes 8.0.15 | Download 8.0.15
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A note from our sponsor - SaaSHub
www.saashub.com | 8 Sep 2026
Stats
Basic core repo stats
126
22,037
9.1
3 days ago
dotnet/core is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of core is PowerShell.
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