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Top 18 C# net-core Projects
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FluentFTP
An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Automatic directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP support, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#.
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ReSharper
ReSharper is now available in VS Code and Cursor. ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.
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DinkToPdf
C# .NET Core wrapper for wkhtmltopdf library that uses Webkit engine to convert HTML pages to PDF.
When it comes to generating PDF files from HTML in C#, developers have plenty of tools to choose from. Whether you're building an invoice generator, rendering reports, or converting dynamic web content into downloadable files, picking the appropriate library for your needs can save time and prevent headaches later. Two popular choices among .NET developers are DinkToPdf and IronPDF.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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cqrs-clean-eventual-consistency
CQRS, using Clean Architecture, multiple databases and Eventual Consistency
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SapphireDb
SapphireDb Server, a self-hosted, easy to use realtime database for Asp.Net Core and EF Core
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SpiceSharp
Spice# is a cross-platform electronic circuit simulator based on Berkeley Spice - the mother of commercial industry-standard circuit simulators.
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WopiHost
The most advanced .NET implementation of the WOPI protocol. Enables integration with WOPI clients such as Office Online Server.
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Docotic.Pdf
Docotic.Pdf library can create, edit, draw and print PDF files in .NET Core, ASP.NET, Windows Forms, WPF, Xamarin, Blazor, Unity, and HoloLense applications. The library is a 100% managed assembly without unsafe blocks. The assembly has no external dependencies.
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PrettyConsoleHelper
A Library for Console apps that provides a prettier and easier experience with output and input parsing/validating
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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).
C# net-core discussion
C# net-core related posts
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C# HTML to PDF: DinkToPdf Alternatives Using IronPDF
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DinkToPdf Alternatives: IronPDF for C# HTML to PDF
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Challenge code 2fa like github and banks.
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Sample API Projects?
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Process Ids on C#
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Developer transition from .Net framework to .Net core
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A History of the FFmpeg Project
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A note from our sponsor - ReSharper
www.jetbrains.com | 11 Jun 2026
Index
What are some of the best open-source net-core projects in C#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | FluentFTP | 3,374 |
| 2 | aspnetcore-realworld-example-app | 2,079 |
| 3 | fido2-net-lib | 1,433 |
| 4 | Qml.Net | 1,414 |
| 5 | DinkToPdf | 1,188 |
| 6 | X.PagedList | 928 |
| 7 | InstagramApiSharp | 883 |
| 8 | OpenGL.Net | 616 |
| 9 | peasy | 521 |
| 10 | cqrs-clean-eventual-consistency | 486 |
| 11 | SapphireDb | 406 |
| 12 | H.Pipes | 357 |
| 13 | SpiceSharp | 316 |
| 14 | WopiHost | 216 |
| 15 | dotnet-setversion | 79 |
| 16 | Docotic.Pdf | 79 |
| 17 | X.Web.RSS | 27 |
| 18 | PrettyConsoleHelper | 4 |
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ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.
www.jetbrains.com