diff --git a/.github/scripts/print_license.sh b/.github/scripts/print_license.sh
new file mode 100644
index 00000000..19e52282
--- /dev/null
+++ b/.github/scripts/print_license.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+for dir in packages/*; do
+  cd "$dir"
+
+  echo ""
+  echo ""
+  echo ""
+  echo ""
+  echo "Printing dependencies for $dir"
+
+  bundle exec ruby > licenses <<RUBY
+  licenses = {}
+  Gem.loaded_specs.each do |name, spec|
+    license = spec.license
+    if not licenses.key?(license)
+    licenses[license] = []
+    end
+    licenses[license].push(name)
+  end
+  licenses.each do |license, names|
+    puts license
+    names.each do |name|
+      puts "\t#{name}"
+    end
+    puts ""
+  end
+RUBY
+  cat licenses
+  # Matches words at the beginning of the line that contain "gpl".
+  # We add a tab to package names so this prevents false-positives.
+  cat licenses |  grep -i -P '^[^\s]*gpl'
+  result=$?
+  if [ $result -eq  0 ]; then
+    echo "Discovered a dependency using the GPL license"
+    exit 1
+  fi
+
+  cd -
+done
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 00000000..ffa56579
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,66 @@
+name: Tests
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+      - develop
+      - release-*
+
+jobs:
+  license-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7.5
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: rake bootstrap
+      - run: bash .github/scripts/print_license.sh
+  api:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: browser-actions/setup-firefox@v1
+      - uses: browser-actions/setup-geckodriver@latest
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7.5
+          bundler-cache: true
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      # HACK: Force a TTY to enable browser-driver-manager to manipulate stdout.
+      - shell: 'script -q -e -c "bash {0}"'
+        run: npx browser-driver-manager install chromedriver --verbose
+      - run: rake bootstrap
+      # unit test - API
+      - run: rake test_unit\[axe-core-api\]
+
+  selenium:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: browser-actions/setup-firefox@v1
+      - uses: browser-actions/setup-geckodriver@latest
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7.5
+          bundler-cache: true
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      # HACK: Force a TTY to enable browser-driver-manager to manipulate stdout.
+      - shell: 'script -q -e -c "bash {0}"'
+        run: npx browser-driver-manager install chromedriver --verbose
+      - run: rake bootstrap
+      # unit test - API
+      - run: rake test_unit\[axe-core-selenium\]