diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
new file mode 100644
index 0000000..5ccc510
--- /dev/null
+++ b/.github/workflows/ci-linux.yml
@@ -0,0 +1,49 @@
+# Converted from .vsts-ci/linux.yml
+name: Linux CI
+
+on:
+  push:
+    branches:
+    - master
+    - release*
+  pull_request:
+    branches:
+    - master
+    - release*
+
+env:
+  DOTNET_CLI_TELEMETRY_OPTOUT: 1
+  POWERSHELL_TELEMETRY_OPTOUT: 1
+  # Avoid expensive initialization of dotnet cli, see: http://donovanbrown.com/post/Stop-wasting-time-during-NET-Core-builds
+  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+
+defaults:
+  run:
+    shell: pwsh
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: Linux - ${{ matrix.buildName }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        buildName:
+        - ubuntu.16.04-arm
+        - ubuntu.16.04-arm64
+        - centos.7
+        - alpine
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        clean: true
+
+    - name: Start build - ${{ matrix.buildName }}
+      if: success()
+      run: |
+        tools/releaseBuild/vstsBuild.ps1 -Name ${{ matrix.buildName }} -Verbose
diff --git a/.github/workflows/ci-mac.yml b/.github/workflows/ci-mac.yml
new file mode 100644
index 0000000..d68b1e2
--- /dev/null
+++ b/.github/workflows/ci-mac.yml
@@ -0,0 +1,47 @@
+# Converted from .vsts-ci/mac.yml
+name: macOS CI
+
+on:
+  push:
+    branches:
+    - master
+    - release*
+  pull_request:
+    branches:
+    - master
+    - release*
+
+env:
+  DOTNET_CLI_TELEMETRY_OPTOUT: 1
+  POWERSHELL_TELEMETRY_OPTOUT: 1
+  # Avoid expensive initialization of dotnet cli, see: http://donovanbrown.com/post/Stop-wasting-time-during-NET-Core-builds
+  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+
+defaults:
+  run:
+    shell: pwsh
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: Build
+    runs-on: macos-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        clean: true
+
+    - name: Start build
+      run: |
+        tools/releaseBuild/PowershellNative.ps1 -Arch osx -Configuration Release -RepoRoot ${{ github.workspace }} -TargetLocation "${{ runner.temp }}/Packages" -Verbose
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      if: success()
+      with:
+        name: artifacts
+        path: ${{ runner.temp }}/Packages/osx-symbols.zip
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
new file mode 100644
index 0000000..3c5035d
--- /dev/null
+++ b/.github/workflows/ci-windows.yml
@@ -0,0 +1,66 @@
+# Converted from .vsts-ci/windows.yml
+# Note: The original pipeline used a self-hosted Azure DevOps pool (PS-PowerShell-x64)
+# with a custom image (PSMMS2019-PS-Native-Secure). Update the runs-on value
+# to a self-hosted runner label if one is available.
+name: Windows CI
+
+on:
+  push:
+    branches:
+    - master
+    - release*
+  pull_request:
+    branches:
+    - master
+    - release*
+
+env:
+  DOTNET_CLI_TELEMETRY_OPTOUT: 1
+  POWERSHELL_TELEMETRY_OPTOUT: 1
+  # Avoid expensive initialization of dotnet cli, see: http://donovanbrown.com/post/Stop-wasting-time-during-NET-Core-builds
+  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+
+defaults:
+  run:
+    shell: pwsh
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: Windows - ${{ matrix.buildName }}
+    runs-on: windows-latest
+
+    strategy:
+      matrix:
+        include:
+        - buildName: x86
+        - buildName: x64
+        - buildName: x64_arm64
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        clean: true
+
+    - name: Set Visual Studio Path
+      if: success()
+      run: |
+        $vsPath = ${Env:ProgramFiles(x86)} + '\Microsoft Visual Studio\2017\BuildTools\MSBuild\15.0\Bin'
+        "$vsPath" | Out-File -FilePath $env:GITHUB_PATH -Append -Encoding utf8
+
+    - name: Start build - ${{ matrix.buildName }}
+      if: success()
+      run: |
+        $cmakeBinPath = "$env:ProgramFiles\CMake\bin\"
+        if(Test-Path $cmakeBinPath) { $env:Path = "$cmakeBinPath;$env:PATH" } else { throw "CMake not installed under $cmakeBinPath" }
+        ${{ github.workspace }}\tools\releaseBuild\PowerShellNative.ps1 -RepoRoot ${{ github.workspace }} -TargetLocation "${{ runner.temp }}\Packages" -Arch ${{ matrix.buildName }} -Configuration Release -Symbols
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      if: success()
+      with:
+        name: artifacts-${{ matrix.buildName }}
+        path: ${{ runner.temp }}\Packages\${{ matrix.buildName }}-symbols.zip
diff --git a/.github/workflows/misc-analysis.yml b/.github/workflows/misc-analysis.yml
new file mode 100644
index 0000000..4468bcd
--- /dev/null
+++ b/.github/workflows/misc-analysis.yml
@@ -0,0 +1,35 @@
+# Converted from .vsts-ci/misc-analysis.yml
+# Note: The original pipeline used a private Azure DevOps compliance template
+# (ci-compliance.yml@ComplianceRepo from PowerShell/compliance). That template
+# is not available as a GitHub Actions workflow. The checkout steps are preserved
+# and the compliance step is noted below for manual replacement.
+name: Misc Analysis
+
+on:
+  push:
+    # Batch merge builds together while a merge build is running
+    branches:
+    - master
+    - release*
+  pull_request:
+    branches:
+    - master
+    - release*
+
+permissions:
+  contents: read
+
+jobs:
+  compliance:
+    name: Compliance Job
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        clean: true
+
+    # The original pipeline ran the ci-compliance.yml template from the
+    # PowerShell/compliance Azure DevOps repository. Replace this step with
+    # the appropriate GitHub Actions compliance checks for your organization.