diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
new file mode 100644
index 0000000..0ebe969
--- /dev/null
+++ b/.github/workflows/CI.yml
@@ -0,0 +1,74 @@
+name: CI
+
+on:
+
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+
+  ununtu:
+    runs-on: ubuntu-latest
+    env:
+      DOTNET_NOLOGO: true
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 8.0.x
+
+    - name: Restore
+      run: dotnet restore Figgle.sln
+
+    - name: Build solution (Release)
+      run: dotnet build Figgle.sln --configuration Release
+    - name: Build solution (Debug)
+      run: dotnet build Figgle.sln --configuration Debug
+
+    - name: Test Figgle.Tests (Release)
+      run: dotnet test --verbosity normal --configuration Release --no-build --framework net8.0 Figgle.Tests/Figgle.Tests.csproj
+    - name: Test Figgle.Tests (Debug)
+      run: dotnet test --verbosity normal --configuration Debug --no-build --framework net8.0 Figgle.Tests/Figgle.Tests.csproj
+
+    - name: Test Figgle.Generator.Tests (Release)
+      run: dotnet test --verbosity normal --configuration Release --no-build --framework net8.0 Figgle.Generator.Tests/Figgle.Generator.Tests.csproj
+    - name: Test Figgle.Generator.Tests (Debug)
+      run: dotnet test --verbosity normal --configuration Debug --no-build --framework net8.0 Figgle.Generator.Tests/Figgle.Generator.Tests.csproj
+
+#    - name: Publish NativeAOT
+#      run: dotnet publish --verbosity normal --configuration Release --framework net8.0 Figgle/Figgle.csproj
+
+  windows:
+    runs-on: windows-latest
+    env:
+      DOTNET_NOLOGO: true
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 8.0.x
+
+    - name: Restore
+      run: dotnet restore Figgle.sln
+
+    - name: Build solution (Release)
+      run: dotnet build Figgle.sln --configuration Release
+    - name: Build solution (Debug)
+      run: dotnet build Figgle.sln --configuration Debug
+
+    - name: Test Figgle.Tests (Release)
+      run: dotnet test --verbosity normal --configuration Release --no-build --framework net8.0 Figgle.Tests/Figgle.Tests.csproj
+    - name: Test Figgle.Tests (Debug)
+      run: dotnet test --verbosity normal --configuration Debug --no-build --framework net8.0 Figgle.Tests/Figgle.Tests.csproj
+
+    - name: Test Figgle.Generator.Tests (Release)
+      run: dotnet test --verbosity normal --configuration Release --no-build --framework net8.0 Figgle.Generator.Tests/Figgle.Generator.Tests.csproj
+    - name: Test Figgle.Generator.Tests (Debug)
+      run: dotnet test --verbosity normal --configuration Debug --no-build --framework net8.0 Figgle.Generator.Tests/Figgle.Generator.Tests.csproj
+
+#    - name: Publish NativeAOT
+#      run: dotnet publish --verbosity normal --configuration Release --framework net8.0 Figgle/Figgle.csproj
diff --git a/Figgle.sln b/Figgle.sln
index 96c36fa..193282b 100644
--- a/Figgle.sln
+++ b/Figgle.sln
@@ -7,7 +7,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 	ProjectSection(SolutionItems) = preProject
 		.editorconfig = .editorconfig
 		.gitignore = .gitignore
-		appveyor.yml = appveyor.yml
 		Directory.Build.props = Directory.Build.props
 		spec\figfont.html = spec\figfont.html
 		spec\figfont.txt = spec\figfont.txt
@@ -296,6 +295,11 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Figgle.Generator.Tests", "F
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Figgle.Generator.AcceptanceTests", "Figgle.Generator.AcceptanceTests\Figgle.Generator.AcceptanceTests.csproj", "{E9177B5C-626B-44E6-87B4-2D712FB52DC9}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".github", ".github", "{02EA681E-C7D8-13C7-8484-4AC65E1B71E8}"
+	ProjectSection(SolutionItems) = preProject
+		.github\workflows\CI.yml = .github\workflows\CI.yml
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -384,6 +388,7 @@ Global
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{39B8EEFC-2BF9-4E33-B299-0BF4016AC5D7} = {4A36A179-AB9F-4D63-8409-A7400F65C139}
+		{02EA681E-C7D8-13C7-8484-4AC65E1B71E8} = {4A36A179-AB9F-4D63-8409-A7400F65C139}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {69F27669-F6DA-410D-8F8B-9E6877CC73F4}
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 3b53b49..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-version: 0.5.{build}
-skip_tags: true
-image: Visual Studio 2022
-configuration:
-- Release
-- Debug
-before_build:
-  - appveyor-retry nuget restore
-build:
-  parallel: true
-  verbosity: minimal
-test:
-  assemblies:
-    only:
-      - Figgle.Tests.dll
-      - Figgle.Generator.Tests.dll
-      - Figgle.Generator.AcceptanceTests.dll
-test_script:
-  - dotnet test .\Figgle.Tests\Figgle.Tests.csproj --no-build
-  - dotnet test .\Figgle.Generator.Tests\Figgle.Generator.Tests.csproj --no-build
-  - dotnet test .\Figgle.Generator.AcceptanceTests\Figgle.Generator.AcceptanceTests.csproj --no-build