diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
new file mode 100644
index 0000000..c02fb62
--- /dev/null
+++ b/.github/workflows/ci-build.yml
@@ -0,0 +1,51 @@
+name: Build and Test
+
+on:
+  - pull_request
+  - push
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Configure
+        run: CFLAGS='--coverage -g -O0' cmake -DCMAKE_BUILD_TYPE=Debug -G 'Unix Makefiles' .
+      - name: Build
+        run: make VERBOSE=1
+      - name: Test
+        run: for testsuite in test-*; do echo "Running $testsuite:"; ./$testsuite; done
+      - name: Code Coverage Report
+        if: ${{ github.event_name == 'push' }}
+        continue-on-error: true
+        run: |
+          sudo apt-get install -y lcov
+          lcov --directory . --capture --output-file coverage.info
+          lcov --remove coverage.info '/usr/*' --output-file coverage.info
+          lcov --remove coverage.info 'tests/*' --output-file coverage.info
+          lcov --list coverage.info
+          bash <(curl -s https://codecov.io/bash)
+
+  windows-32:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: microsoft/setup-msbuild@v1.3.1
+      - name: Configure
+        run: cmake -DCMAKE_BUILD_TYPE=Debug -G "Visual Studio 17 2022" -A Win32 .
+      - name: Build
+        run: msbuild.exe hsluv-c.sln /p:Configuration=Debug /p:Platform=Win32
+      - name: Test
+        run: for %t in ("tests\Debug\test-*.exe") do %t
+
+  windows-64:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: microsoft/setup-msbuild@v1.3.1
+      - name: Configure
+        run: cmake -DCMAKE_BUILD_TYPE=Debug -G "Visual Studio 17 2022" -A x64 .
+      - name: Build
+        run: msbuild.exe hsluv-c.sln /p:Configuration=Debug /p:Platform=x64
+      - name: Test
+        run: for %t in ("tests\Debug\test-*.exe") do %t
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 2bff8c0..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-# YAML definition for travis-ci.com continuous integration.
-# See https://docs.travis-ci.com/user/languages/c
-
-language: c
-
-compiler:
-    - gcc
-
-addons:
-    apt:
-        packages:
-            - lcov      # for generating code coverage report
-
-before_script:
-    - mkdir build
-    - cd build
-    - CFLAGS='--coverage -g -O0' cmake -DCMAKE_BUILD_TYPE=Debug -G 'Unix Makefiles' ..
-
-script:
-    - make VERBOSE=1
-
-after_success:
-    # Run tests
-    - for testsuite in test-*; do echo "Running $testsuite:"; ./$testsuite; done
-    # Create coverage data
-    - lcov --directory . --capture --output-file coverage.info # capture coverage info
-    - lcov --remove coverage.info '/usr/*' --output-file coverage.info # filter out system
-    - lcov --remove coverage.info 'tests/*' --output-file coverage.info # filter out unit test suites
-    - lcov --list coverage.info # debug info
-    # Upload coverage data to CodeCov
-    - bash <(curl -s https://codecov.io/bash) || echo "Codecov did not collect coverage reports"
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index f5682dd..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-# YAML definition for Appveyor.com continuous integration.
-# See http://www.appveyor.com/docs/appveyor-yml
-
-version: '{branch}-{build}'
-
-before_build:
-  - 'cmake --version'
-  - 'if "%PLATFORM%"=="x64" cmake -G "Visual Studio 12 Win64" .'
-  - 'if not "%PLATFORM%"=="x64" cmake -G "Visual Studio 12" .'
-
-build:
-  project: c-reusables.sln
-  verbosity: minimal
-
-skip_tags: true
-
-os:
-  - Windows Server 2012 R2
-
-configuration:
-  - Debug
-  - Release
-
-platform:
-  - x64    # 64-bit build
-  - win32  # 32-bit build
-
-artifacts:
-  - path: '**\test-*.exe'