Top 13 C# sourcegenerator Projects

Mediator

1 4 3,710 6.0 C#

A high performance implementation of Mediator pattern in .NET using source generators.

Project mention: AnAspect.Mediator VS Mediator - a user suggested alternative | libhunt.com/r/AnAspect.Mediator | 2026-08-20
Code Effects

codeeffects.com sponsored

Code Effects: AI-Ready .NET Business Rules Engine. Embed visual business rules in your .NET app with AI-assisted authoring, native VS debugging, blazing-fast compiled evaluation, and no SaaS dependency. FREE edition available.
FastCloner

2 3 372 8.8 C#

The fastest deep cloning library for .NET – zero-config, works out of the box.
Linqraft

3 2 83 9.7 C#

Write projections easily with on-demand DTO generation.

Project mention: Achieve Prisma-like Developer Experience in EF Core! Introduction to Linqraft | dev.to | 2025-12-01

The other day, I released a C# library called Linqraft! In this article, I'd like to introduce it.
spiderly

4 4 60 9.9 C#

.NET (C#) Web App Framework Built For AI Coding Agents
WrapperValueObject

5 1 52 0.0 C#

A .NET source generator for creating simple value objects wrapping primitive types.
FUI

6 1 29 6.6 C#

Compile-time MVVM for Unity 6 uGUI with source-generated bindings, typed navigation, and explicit resource ownership. (by fujisheng)

Project mention: Generating Binding Code Wasn't Enough: Moving Unity UI Composition to Compile Time | dev.to | 2026-09-01

Early external FUICompiler project
Dapper.Json

7 1 23 4.5 C#

Add JSON support for Dapper
ReSharper

www.jetbrains.com sponsored

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.
SourceApi

8 1 15 4.5 C#

API first Open API code generator based on json or yaml definitions.
OneOf.TypeExtensions

9 1 10 6.9 C#

An incremental source generator that creates typed extension methods for OneOf<> types for more readable and robust code.
BlazorPathHelper

10 2 8 9.2 C#

BlazorPathHelper is a library that assists in managing URL paths within Blazor projects.
GenWrap

11 1 7 0.0 C#

Open source, source-generated unit testing extensions for .NET
SogePoco

12 1 5 4.4 C#

SogePoco SOurce GEnerated POCOs. ORM-ish thing inspired by PetaPoco. Dotnet project.
Axent

13 1 3 - C#

Axent is a source-generated CQRS library for modern .NET with typed pipelines and ASP.NET Core integration.

Project mention: What I Learned Building a Production-Style Shopping List App with Angular and ASP.NET Core (CQRS) | dev.to | 2026-04-30

Live app: https://shoppi.club/ Status page: https://status.shoppi.club/status/shoppi Axent GitHub: https://github.com/magmablinker/Axent Axent NuGet: https://www.nuget.org/packages/Axent.Core Previous Axent article: https://medium.com/@magmablinker/source-generated-cqrs-in-net-meet-axent-b86e61dba3e5

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# sourcegenerator discussion

C# sourcegenerator related posts

Achieve Prisma-like Developer Experience in EF Core! Introduction to Linqraft

1 project | dev.to | 1 Dec 2025
Web App Generator

1 project | news.ycombinator.com | 19 May 2025

Index

What are some of the best open-source sourcegenerator projects in C#? This list will help you:

#	Project	Stars
1	Mediator	3,710
2	FastCloner	372
3	Linqraft	83
4	spiderly	60
5	WrapperValueObject	52
6	FUI	29
7	Dapper.Json	23
8	SourceApi	15
9	OneOf.TypeExtensions	10
10	BlazorPathHelper	8
11	GenWrap	7
12	SogePoco	5
13	Axent	3