diff --git a/.github/workflows/ripunzip.yml b/.github/workflows/ripunzip.yml
new file mode 100644
index 000000000..03d1b805a
--- /dev/null
+++ b/.github/workflows/ripunzip.yml
@@ -0,0 +1,46 @@
+name: ripunzip
+# version_tests: skip_readme
+
+on: [pull_request, workflow_dispatch]
+
+jobs:
+  alpine-musl:
+    if: ${{ vars.CURRENT_TOOL == github.workflow }}
+    uses: ./.github/workflows/build-alpine.yml
+    with:
+      workflow: ${{ github.workflow }}
+
+  alpine-mingw:
+    if: ${{ vars.CURRENT_TOOL == github.workflow }}
+    uses: ./.github/workflows/build-alpine.yml
+    with:
+      workflow: ${{ github.workflow }}
+      toolset: mingw
+
+  test-ubuntu:
+    needs: alpine-musl
+    uses: ./.github/workflows/test-ubuntu.yml
+    with:
+      workflow: ${{ github.workflow }}
+      artifact: build-musl
+
+  test-windows:
+    needs: alpine-mingw
+    uses: ./.github/workflows/test-windows.yml
+    with:
+      workflow: ${{ github.workflow }}
+      artifact: build-mingw
+
+  release:
+    needs: [test-ubuntu,
+            test-windows]
+    uses: ./.github/workflows/release.yml
+    with:
+      workflow: ${{ github.workflow }}
+      tool_version: '0.4.0'
+      prepare_body: |
+        bsdtar -Oxf ./build-musl/build-musl.tar.gz build-musl.md >> body.md
+        bsdtar -Oxf ./build-mingw/build-mingw.tar.gz build-mingw.md >> body.md
+      artifacts: ./build-musl/build-musl.tar.gz,./build-mingw/build-mingw.tar.gz
+    secrets:
+      token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/ripunzip/build_mingw.sh b/ripunzip/build_mingw.sh
new file mode 100755
index 000000000..f9d3aace6
--- /dev/null
+++ b/ripunzip/build_mingw.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+dp0="$(realpath "$(dirname "$0")")"
+set -e
+
+echo "::group::install deps"
+
+apk update
+apk add --no-cache alpine-sdk musl-dev gcc curl wget rustup pkgconfig openssl-dev mingw-w64-gcc
+
+rustup-init -y
+. "$HOME/.cargo/env"
+rustup target add x86_64-pc-windows-gnu
+
+echo "::endgroup::"
+
+tool_name="ripunzip"
+tool_version="0.4.0"
+self_name="$tool_name-$tool_version"
+self_toolset_name="build-mingw"
+release_version_dirpath="$dp0/release/$self_name"
+
+mkdir -p "$release_version_dirpath" && cd "$dp0/release"
+
+download_url="https://github.com/google/ripunzip/archive/refs/heads/main.tar.gz"
+echo "::group::prepare sources $download_url"
+
+"$dp0/../.tools/download_bsdtar.sh"
+bsdtar="$dp0/release/bsdtar"
+
+wget "$download_url" -O "tool-$tool_version.tar.gz"
+"$bsdtar" -xf "tool-$tool_version.tar.gz" && cd "$tool_name-main"
+
+cargo build --target x86_64-pc-windows-gnu --release
+
+cp -f "./target/x86_64-pc-windows-gnu/release/$tool_name.exe" "$release_version_dirpath/"
+
+echo "::endgroup::"
+
+cd "$release_version_dirpath"
+
+strip "$tool_name.exe"
+
+{ printf '### %s
+SHA-256: %s
+
+' "$self_toolset_name.tar.gz" "$(sha256sum $tool_name.exe)"
+} > "$self_toolset_name.md"
+
+cat "$self_toolset_name.md"
+
+tar -czvf "../$self_toolset_name.tar.gz" .
diff --git a/ripunzip/build_musl.sh b/ripunzip/build_musl.sh
new file mode 100755
index 000000000..2a7dd1e42
--- /dev/null
+++ b/ripunzip/build_musl.sh
@@ -0,0 +1,52 @@
+#!/bin/bash
+dp0="$(realpath "$(dirname "$0")")"
+set -e
+
+echo "::group::install deps"
+
+apk update
+apk add --no-cache alpine-sdk musl-dev gcc curl wget rustup pkgconfig openssl-dev
+
+rustup-init -y
+. "$HOME/.cargo/env"
+
+echo "::endgroup::"
+
+tool_name="ripunzip"
+tool_version="0.4.0"
+self_name="$tool_name-$tool_version"
+self_toolset_name="build-musl"
+release_version_dirpath="$dp0/release/$self_name"
+
+mkdir -p "$release_version_dirpath" && cd "$dp0/release"
+
+download_url="https://github.com/google/ripunzip/archive/refs/heads/main.tar.gz"
+echo "::group::prepare sources $download_url"
+
+"$dp0/../.tools/download_bsdtar.sh"
+bsdtar="$dp0/release/bsdtar"
+
+wget "$download_url" -O "tool-$tool_version.tar.gz"
+"$bsdtar" -xf "tool-$tool_version.tar.gz" && cd "$tool_name-main"
+
+cargo build --target x86_64-unknown-linux-musl --release
+
+cp -f "./target/x86_64-unknown-linux-musl/release/$tool_name" "$release_version_dirpath/"
+
+echo "::endgroup::"
+
+cd "$release_version_dirpath"
+strip "$tool_name"
+chmod +x "$tool_name"
+
+{ printf '%s
+
+### %s
+SHA-256: %s
+
+' "$("./$tool_name" --version)" "$self_toolset_name.tar.gz" "$(sha256sum $tool_name)"
+} > "$self_toolset_name.md"
+
+cat "$self_toolset_name.md"
+
+tar -czvf "../$self_toolset_name.tar.gz" .
diff --git a/ripunzip/test_linux.sh b/ripunzip/test_linux.sh
new file mode 100755
index 000000000..e488910a0
--- /dev/null
+++ b/ripunzip/test_linux.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+testVersion() {
+  assertEquals "ripunzip 0.4.0" "$(../bin/ripunzip --version)"
+}
+
+# Load and run shUnit2.
+source "../.tests/shunit2/shunit2"
diff --git a/ripunzip/test_windows.sh b/ripunzip/test_windows.sh
new file mode 100755
index 000000000..1dac186a7
--- /dev/null
+++ b/ripunzip/test_windows.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+testVersion() {
+  assertEquals "ripunzip 0.4.0" "$(../bin/ripunzip.exe --version)"
+}
+
+# Load and run shUnit2.
+source "../.tests/shunit2/shunit2"