diff --git a/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.Test.DotNet8_0.verified.txt b/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.Test.DotNet8_0.verified.txt
new file mode 100644
index 0000000000..e0e2a7e2e9
--- /dev/null
+++ b/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.Test.DotNet8_0.verified.txt
@@ -0,0 +1,18 @@
+[  
+// <auto-generated/>
+#pragma warning disable
+namespace AssemblyLoaderTests;
+
+public static class AssemblyLoader
+{
+	[global::System.Runtime.CompilerServices.ModuleInitializer]
+	public static void Initialize()
+	{
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::System.SequencePosition).Assembly);
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::System.Xml.XmlNamedNodeMap).Assembly);
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::System.Xml.Linq.XAttribute).Assembly);
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::TUnit.Core.AsyncEvent<>).Assembly);
+	}
+}
+
+]
\ No newline at end of file
diff --git a/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.Test.DotNet9_0.verified.txt b/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.Test.DotNet9_0.verified.txt
new file mode 100644
index 0000000000..556c15a76a
--- /dev/null
+++ b/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.Test.DotNet9_0.verified.txt
@@ -0,0 +1,19 @@
+[  
+// <auto-generated/>
+#pragma warning disable
+namespace AssemblyLoaderTests;
+
+public static class AssemblyLoader
+{
+	[global::System.Runtime.CompilerServices.ModuleInitializer]
+	public static void Initialize()
+	{
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::System.SequencePosition).Assembly);
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::System.Diagnostics.ActivityChangedEventArgs).Assembly);
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::System.Xml.XmlNamedNodeMap).Assembly);
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::System.Xml.Linq.XAttribute).Assembly);
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::TUnit.Core.AsyncEvent<>).Assembly);
+	}
+}
+
+]
\ No newline at end of file
diff --git a/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.Test.Net4_7.verified.txt b/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.Test.Net4_7.verified.txt
new file mode 100644
index 0000000000..b099a991be
--- /dev/null
+++ b/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.Test.Net4_7.verified.txt
@@ -0,0 +1,16 @@
+[  
+// <auto-generated/>
+#pragma warning disable
+namespace AssemblyLoaderTests;
+
+public static class AssemblyLoader
+{
+	[global::System.Runtime.CompilerServices.ModuleInitializer]
+	public static void Initialize()
+	{
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::System.Runtime.CompilerServices.AsyncMethodBuilderAttribute).Assembly);
+		global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof(global::TUnit.Core.AsyncEvent<>).Assembly);
+	}
+}
+
+]
\ No newline at end of file
diff --git a/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.cs b/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.cs
new file mode 100644
index 0000000000..295d5415b8
--- /dev/null
+++ b/TUnit.Core.SourceGenerator.Tests/AssemblyLoaderTests.cs
@@ -0,0 +1,20 @@
+using TUnit.Core.SourceGenerator.CodeGenerators;
+using TUnit.Core.SourceGenerator.Tests.Options;
+
+namespace TUnit.Core.SourceGenerator.Tests;
+
+internal class AssemblyLoaderTests : TestsBase<AssemblyLoaderGenerator>
+{
+    [Test]
+    public Task Test() => RunTest(Path.Combine(Git.RootDirectory.FullName,
+            "TUnit.TestProject",
+            "BasicTests.cs"),
+        new RunTestOptions()
+        {
+            VerifyConfigurator = verify => verify.UniqueForTargetFrameworkAndVersion()
+        },
+        async generatedFiles =>
+        {
+            await Assert.That(generatedFiles.Length).IsEqualTo(1);
+        });
+}
\ No newline at end of file
diff --git a/TUnit.Core.SourceGenerator/CodeGenerators/AssemblyLoaderGenerator.cs b/TUnit.Core.SourceGenerator/CodeGenerators/AssemblyLoaderGenerator.cs
new file mode 100644
index 0000000000..aedede8c59
--- /dev/null
+++ b/TUnit.Core.SourceGenerator/CodeGenerators/AssemblyLoaderGenerator.cs
@@ -0,0 +1,131 @@
+using System.Collections.Immutable;
+using Microsoft.CodeAnalysis;
+using TUnit.Core.SourceGenerator.Extensions;
+
+namespace TUnit.Core.SourceGenerator.CodeGenerators;
+
+[Generator]
+public class AssemblyLoaderGenerator : IIncrementalGenerator
+{
+    public void Initialize(IncrementalGeneratorInitializationContext context)
+    {
+        var provider = context.CompilationProvider
+            .Select((x, _) => x.GetUsedAssemblyReferences())
+            .WithComparer(new AssemblyComparer())
+            .Combine(context.CompilationProvider);
+        
+        context.RegisterSourceOutput(provider, (sourceProductionContext, source) => GenerateCode(sourceProductionContext, source.Right, source.Left));
+    }
+
+    private void GenerateCode(SourceProductionContext context, Compilation compilation, ImmutableArray<MetadataReference> metadataReferences)
+    {
+        var assemblyReferences = metadataReferences.Where(x => x.Properties.Kind == MetadataImageKind.Assembly);
+
+        var assemblySymbols = assemblyReferences
+            .Select(compilation.GetAssemblyOrModuleSymbol)
+            .OfType<IAssemblySymbol>()
+            .Where(x => !IsSystemAssembly(x))
+            .ToArray();
+
+        var types = assemblySymbols
+            .Select(x => x.GlobalNamespace)
+            .Select(GetFirstType)
+            .OfType<INamedTypeSymbol>()
+            .Where(x => x.TypeKind is TypeKind.Class or TypeKind.Struct)
+            .ToArray();
+        
+        var sourceBuilder = new SourceCodeWriter();
+        
+        sourceBuilder.WriteLine("// <auto-generated/>");
+        sourceBuilder.WriteLine("#pragma warning disable");
+        
+        if(!string.IsNullOrEmpty(compilation.Assembly.Name))
+        {
+            sourceBuilder.WriteLine($"namespace {compilation.Assembly.Name};");
+            sourceBuilder.WriteLine();
+        }
+        
+        sourceBuilder.WriteLine("public static class AssemblyLoader");
+        sourceBuilder.WriteLine("{");
+        sourceBuilder.WriteLine("[global::System.Runtime.CompilerServices.ModuleInitializer]");
+        sourceBuilder.WriteLine("public static void Initialize()");
+        sourceBuilder.WriteLine("{");
+        
+        foreach (var type in types)
+        {
+            var typeName = type.GloballyQualifiedNonGeneric();
+
+            if (type.IsGenericType)
+            {
+                typeName += $"<{new string(',', type.TypeParameters.Length - 1)}>";
+            }
+            
+            sourceBuilder.WriteLine($"global::TUnit.Core.SourceRegistrar.RegisterAssembly(() => typeof({typeName}).Assembly);");
+        }
+        
+        sourceBuilder.WriteLine("}");
+        sourceBuilder.WriteLine("}");
+        
+        context.AddSource("AssemblyLoader.g.cs", sourceBuilder.ToString());
+    }
+
+    private static INamedTypeSymbol? GetFirstType(INamespaceSymbol @namespace)
+    {
+        var typeMembers = @namespace.GetTypeMembers()
+            .Where(x => x.DeclaredAccessibility == Accessibility.Public && !x.IsStatic)
+            .ToImmutableArray();
+        
+        if (!typeMembers.IsDefaultOrEmpty)
+        {
+            return typeMembers[0];
+        }
+
+        var namespaceMembers = @namespace.GetNamespaceMembers().ToImmutableArray();
+
+        if (!namespaceMembers.IsDefaultOrEmpty)
+        {
+            foreach (var namespaceMember in namespaceMembers)
+            {
+                if (GetFirstType(namespaceMember) is { } namedType)
+                {
+                    return namedType;
+                }
+            }
+        }
+        
+        return null;
+    }
+    
+    private static bool IsSystemAssembly(IAssemblySymbol assemblySymbol)
+    {
+        // Check for well-known public key tokens of system assemblies
+        var publicKeyToken = assemblySymbol.Identity.PublicKeyToken;
+        
+        if (publicKeyToken == null)
+        {
+            return false;
+        }
+        
+        return publicKeyToken.SequenceEqual(new byte[] { 0xb7, 0x7a, 0x5c, 0x56, 0x19, 0x34, 0xe0, 0x89 }) // .NET Framework
+            || publicKeyToken.SequenceEqual(new byte[] { 0x7c, 0xec, 0x85, 0xd7, 0xbe, 0xa7, 0x79, 0x8e }) // .NET Core
+            || publicKeyToken.SequenceEqual(new byte[] { 0xb0, 0x3f, 0x5f, 0x7f, 0x11, 0xd5, 0x0a, 0x3a }); // mscorlib
+    }
+
+    private class AssemblyComparer : IEqualityComparer<ImmutableArray<MetadataReference>>
+    {
+        public bool Equals(ImmutableArray<MetadataReference> x, ImmutableArray<MetadataReference> y)
+        {
+            return GetAssemblyNamesString(x).Equals(GetAssemblyNamesString(y));
+        }
+
+        public int GetHashCode(ImmutableArray<MetadataReference> obj)
+        {
+            return GetAssemblyNamesString(obj).GetHashCode();
+        }
+
+        private static string GetAssemblyNamesString(ImmutableArray<MetadataReference> metadataReferences)
+        {
+            return string.Join("|", metadataReferences.Select(x => x.Display));
+        }
+    }
+}
\ No newline at end of file
diff --git a/TUnit.Core/SourceRegistrar.cs b/TUnit.Core/SourceRegistrar.cs
index 22ccab1ad2..069a2c0e3b 100644
--- a/TUnit.Core/SourceRegistrar.cs
+++ b/TUnit.Core/SourceRegistrar.cs
@@ -1,4 +1,5 @@
 using System.Diagnostics;
+using System.Reflection;
 using TUnit.Core.Interfaces.SourceGenerator;
 
 namespace TUnit.Core;
@@ -12,6 +13,15 @@ namespace TUnit.Core;
 /// </summary>
 public class SourceRegistrar
 {
+    /// <summary>
+    /// Registers an assembly loader.
+    /// </summary>
+    /// <param name="assemblyLoader">The assembly loader to register.</param>
+    public static void RegisterAssembly(Func<Assembly> assemblyLoader)
+    {
+        Sources.AssemblyLoaders.Enqueue(assemblyLoader);
+    }
+    
     /// <summary>
     /// Registers a test source.
     /// </summary>
diff --git a/TUnit.Core/Sources.cs b/TUnit.Core/Sources.cs
index 343aa4f953..b07a24f48d 100644
--- a/TUnit.Core/Sources.cs
+++ b/TUnit.Core/Sources.cs
@@ -1,4 +1,6 @@
-using TUnit.Core.Interfaces.SourceGenerator;
+using System.Collections.Concurrent;
+using System.Reflection;
+using TUnit.Core.Interfaces.SourceGenerator;
 
 namespace TUnit.Core;
 
@@ -7,6 +9,7 @@ namespace TUnit.Core;
 #endif
 internal static class Sources
 {
+    public static readonly ConcurrentQueue<Func<Assembly>> AssemblyLoaders = [];
     public static readonly List<ITestSource> TestSources = [];
     public static readonly List<IDynamicTestSource> DynamicTestSources = [];
     
diff --git a/TUnit.Engine/Framework/TUnitTestFramework.cs b/TUnit.Engine/Framework/TUnitTestFramework.cs
index 292023e1e5..606c20b39e 100644
--- a/TUnit.Engine/Framework/TUnitTestFramework.cs
+++ b/TUnit.Engine/Framework/TUnitTestFramework.cs
@@ -1,4 +1,5 @@
 using System.Collections.Concurrent;
+using System.Reflection;
 using Microsoft.Testing.Platform.Capabilities.TestFramework;
 using Microsoft.Testing.Platform.Extensions;
 using Microsoft.Testing.Platform.Extensions.Messages;
@@ -45,6 +46,11 @@ public TUnitTestFramework(IExtension extension,
     
     public Task<CreateTestSessionResult> CreateTestSessionAsync(CreateTestSessionContext context)
     {
+        while(Sources.AssemblyLoaders.TryDequeue(out var assemblyLoader))
+        {
+            TryLoadAssembly(assemblyLoader);
+        }
+        
         return Task.FromResult(new CreateTestSessionResult
         {
             IsSuccess = true
@@ -211,4 +217,16 @@ public async Task<CloseTestSessionResult> CloseTestSessionAsync(CloseTestSession
     [
         typeof(TestNodeUpdateMessage)
     ];
+
+    private static void TryLoadAssembly(Func<Assembly> assemblyLoader)
+    {
+        try
+        {
+            assemblyLoader.Invoke();
+        }
+        catch
+        {
+            // ignored
+        }
+    }
 }
\ No newline at end of file
diff --git a/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet2_0.verified.txt b/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet2_0.verified.txt
index 6cc596d8eb..5f6531ed3a 100644
--- a/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet2_0.verified.txt
+++ b/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet2_0.verified.txt
@@ -738,6 +738,7 @@ namespace TUnit.Core
     {
         public SourceRegistrar() { }
         public static void Register(TUnit.Core.Interfaces.SourceGenerator.ITestSource testSource) { }
+        public static void RegisterAssembly(System.Func<System.Reflection.Assembly> assemblyLoader) { }
         public static void RegisterAssemblyHookSource(TUnit.Core.Interfaces.SourceGenerator.IAssemblyHookSource testSource) { }
         public static void RegisterClassHookSource(TUnit.Core.Interfaces.SourceGenerator.IClassHookSource testSource) { }
         public static void RegisterDynamic(TUnit.Core.Interfaces.SourceGenerator.IDynamicTestSource testSource) { }
diff --git a/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet8_0.verified.txt b/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet8_0.verified.txt
index 096fdd613c..b8bf6a3930 100644
--- a/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet8_0.verified.txt
+++ b/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet8_0.verified.txt
@@ -808,6 +808,7 @@ namespace TUnit.Core
     {
         public SourceRegistrar() { }
         public static void Register(TUnit.Core.Interfaces.SourceGenerator.ITestSource testSource) { }
+        public static void RegisterAssembly(System.Func<System.Reflection.Assembly> assemblyLoader) { }
         public static void RegisterAssemblyHookSource(TUnit.Core.Interfaces.SourceGenerator.IAssemblyHookSource testSource) { }
         public static void RegisterClassHookSource(TUnit.Core.Interfaces.SourceGenerator.IClassHookSource testSource) { }
         public static void RegisterDynamic(TUnit.Core.Interfaces.SourceGenerator.IDynamicTestSource testSource) { }
diff --git a/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet9_0.verified.txt b/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet9_0.verified.txt
index f9e057e8f1..4385bf8ce5 100644
--- a/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet9_0.verified.txt
+++ b/TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet9_0.verified.txt
@@ -808,6 +808,7 @@ namespace TUnit.Core
     {
         public SourceRegistrar() { }
         public static void Register(TUnit.Core.Interfaces.SourceGenerator.ITestSource testSource) { }
+        public static void RegisterAssembly(System.Func<System.Reflection.Assembly> assemblyLoader) { }
         public static void RegisterAssemblyHookSource(TUnit.Core.Interfaces.SourceGenerator.IAssemblyHookSource testSource) { }
         public static void RegisterClassHookSource(TUnit.Core.Interfaces.SourceGenerator.IClassHookSource testSource) { }
         public static void RegisterDynamic(TUnit.Core.Interfaces.SourceGenerator.IDynamicTestSource testSource) { }
diff --git a/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet2_0.verified.txt b/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet2_0.verified.txt
index cc3dddec94..2fbc0fff73 100644
--- a/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet2_0.verified.txt
+++ b/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet2_0.verified.txt
@@ -1,6 +1,10 @@
 [assembly: System.Runtime.Versioning.TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName=".NET Standard 2.0")]
 namespace TUnit.Playwright
 {
+    public static class AssemblyLoader
+    {
+        public static void Initialize() { }
+    }
     public class BrowserTest : TUnit.Playwright.PlaywrightTest
     {
         public BrowserTest() { }
diff --git a/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet8_0.verified.txt b/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet8_0.verified.txt
index 84460f9e13..bd3cf63c5b 100644
--- a/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet8_0.verified.txt
+++ b/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet8_0.verified.txt
@@ -1,6 +1,11 @@
 [assembly: System.Runtime.Versioning.TargetFramework(".NETCoreApp,Version=v8.0", FrameworkDisplayName=".NET 8.0")]
 namespace TUnit.Playwright
 {
+    public static class AssemblyLoader
+    {
+        [System.Runtime.CompilerServices.ModuleInitializer]
+        public static void Initialize() { }
+    }
     public class BrowserTest : TUnit.Playwright.PlaywrightTest
     {
         public BrowserTest() { }
diff --git a/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet9_0.verified.txt b/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet9_0.verified.txt
index d6db8d1678..12661f6562 100644
--- a/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet9_0.verified.txt
+++ b/TUnit.PublicAPI/Tests.Playwright_Library_Has_No_API_Changes.DotNet9_0.verified.txt
@@ -1,6 +1,11 @@
 [assembly: System.Runtime.Versioning.TargetFramework(".NETCoreApp,Version=v9.0", FrameworkDisplayName=".NET 9.0")]
 namespace TUnit.Playwright
 {
+    public static class AssemblyLoader
+    {
+        [System.Runtime.CompilerServices.ModuleInitializer]
+        public static void Initialize() { }
+    }
     public class BrowserTest : TUnit.Playwright.PlaywrightTest
     {
         public BrowserTest() { }
diff --git a/TUnit.PublicAPI/Tests.cs b/TUnit.PublicAPI/Tests.cs
index 24f22fa016..a4166344e6 100644
--- a/TUnit.PublicAPI/Tests.cs
+++ b/TUnit.PublicAPI/Tests.cs
@@ -65,7 +65,7 @@ private StringBuilder Scrub(StringBuilder text)
     
     private string Scrub(string text)
     {
-        return Scrub(new StringBuilder(text)).ToString();
+        return Scrub(new StringBuilder(text.Replace("\r\n", "\n"))).ToString();
     }
 
 
diff --git a/TUnit.TestProject/TUnit.TestProject.csproj b/TUnit.TestProject/TUnit.TestProject.csproj
index 805cc86425..d4129e9fd0 100644
--- a/TUnit.TestProject/TUnit.TestProject.csproj
+++ b/TUnit.TestProject/TUnit.TestProject.csproj
@@ -56,10 +56,7 @@
     <ProjectReference Include="..\TUnit.TestProject.Library\TUnit.TestProject.Library.csproj" />
     <ProjectReference Include="..\TUnit\TUnit.csproj" />
   </ItemGroup>
-  <PropertyGroup>
-           <!-- <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles> -->
-           <!-- <CompilerGeneratedFilesOutputPath>EmittedSourceGeneratedFiles</CompilerGeneratedFilesOutputPath> -->
-  </PropertyGroup>
+
   <ItemGroup>
     <None Update="Data\Blah.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
@@ -78,7 +75,20 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" />
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="HookCallCounts\Test\" />
-  </ItemGroup>
-</Project>
+
+<!--      <Target Name="CleanGenerated" BeforeTargets="PreBuildEvent">-->
+<!--          <Message Text="Removing SourceGeneratedViewer directory..." Importance="high" />-->
+<!--          <RemoveDir Directories="$(ProjectDir)SourceGeneratedViewer" />-->
+<!--      </Target>-->
+
+<!--      <PropertyGroup>-->
+<!--          <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>-->
+<!--          <CompilerGeneratedFilesOutputPath>SourceGeneratedViewer</CompilerGeneratedFilesOutputPath>-->
+<!--      </PropertyGroup>-->
+
+<!--      <ItemGroup>-->
+<!--          <Compile Remove="SourceGeneratedViewer\**" />-->
+<!--          <None Include="SourceGeneratedViewer\**" />-->
+<!--      </ItemGroup>-->
+    
+</Project>
\ No newline at end of file