diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3221e1d..4d7fef3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -93,20 +93,18 @@ jobs:
         run: |+
           set -eux
 
-          TEMP_EXTRACT=$(mktemp -d)
-          gzip "devtool-wsl2-${{ env.COMMIT_SHORT_SHA }}.tar"
           split --verbose --numeric-suffixes --bytes=2000M --suffix-length=1 \
-          devtool-wsl2-${{ env.COMMIT_SHORT_SHA }}.tar.gz \
-          devtool-wsl2-${{ env.COMMIT_SHORT_SHA }}.tar.gz.part
+          devtool-wsl2-${{ env.COMMIT_SHORT_SHA }}.tar \
+          devtool-wsl2-${{ env.COMMIT_SHORT_SHA }}.tar.part
           ls -lah
 
       - name: Pre-Release
         uses: softprops/action-gh-release@v2
         with:
-          name: WSL2 image ${{ env.COMMIT_SHORT_SHA }}
+          name: devtool-WSL2 image ${{ env.COMMIT_SHORT_SHA }}
           tag_name: ${{ env.COMMIT_SHORT_SHA }}
           generate_release_notes: true
           draft: true
           prerelease: true
           files: |
-            ./devtool-wsl2-${{ env.COMMIT_SHORT_SHA }}.tar.gz.part*
+            ./devtool-wsl2-${{ env.COMMIT_SHORT_SHA }}.tar.part*
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..5b8274d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,22 @@
+# devtool-WSL2
+
+WSL2 の開発環境を自動構築するセット
+
+## Software
+
+|             | URL                                                                                            |
+| :---------- | :--------------------------------------------------------------------------------------------- |
+| Docker      | https://docs.docker.com/engine/install/ubuntu/                                                 |
+| fish-shell  | https://fishshell.com                                                                          |
+| asdf        | https://asdf-vm.com/ja-jp/                                                                     |
+| assh        | ![GitHub last commit](https://img.shields.io/github/last-commit/zekker6/asdf-assh)             |
+| awscli      | ![GitHub last commit](https://img.shields.io/github/last-commit/MetricMike/asdf-awscli)        |
+| fzf         | ![GitHub last commit](https://img.shields.io/github/last-commit/kompiro/asdf-fzf)              |
+| ghq         | ![GitHub last commit](https://img.shields.io/github/last-commit/kajisha/asdf-ghq)              |
+| poetry      | ![GitHub last commit](https://img.shields.io/github/last-commit/asdf-community/asdf-poetry)    |
+| python      | ![GitHub last commit](https://img.shields.io/github/last-commit/danhper/asdf-python)           |
+| rust        | ![GitHub last commit](https://img.shields.io/github/last-commit/code-lever/asdf-rust)          |
+| aws-sam-cli | ![GitHub last commit](https://img.shields.io/github/last-commit/amrox/asdf-pyapp)              |
+| starship    | ![GitHub last commit](https://img.shields.io/github/last-commit/gr1m0h/asdf-starship)          |
+| Terraform   | ![GitHub last commit](https://img.shields.io/github/last-commit/asdf-community/asdf-hashicorp) |
+| Tmux        | ![GitHub last commit](https://img.shields.io/github/last-commit/aphecetche/asdf-tmux)          |