diff --git a/readme.md b/readme.md
index 7a19759..e9fbf4c 100644
--- a/readme.md
+++ b/readme.md
@@ -27,7 +27,7 @@ from various contexts of CA, CI and OCI / OS.
   * [X] Debian
     * [X] Bookworm (12)
     * [ ] Bullseye (11)
-  * [X] Fedora → Python 3.12
+  * [X] Fedora
     * [X] 40
     * [X] 39
   * [X] Rocky
@@ -60,22 +60,22 @@ from various contexts of CA, CI and OCI / OS.
 
 ## Packages
 
-| OS image        | s | u | py   | py++ | gviz | plantuml  | shch | shf | ruf |
-|:----------------|---|---|:-----|:-----|:-----|:----------|:-----|:----|:----|
-| Alpine 3.20     | ☑ | ☐ |      | 3.12 | 9.0  | 1.2024.4  | 0.10 | 3.8 | 0.4 |
-| Alpine 3.19     | ☑ | ☐ |      | 3.11 | 9.0  | 1.2023.12 | 0.9  | 3.7 |     |
-| Arch 20240101   | ☑ | ☑ |      | 3.12 | 12.0 | 1.2023.13 | 0.10 | 3.8 | 0.5 |
-| Arch 20231112   | ☑ | ☑ |      | 3.12 | 12.0 | 1.2023.13 | 0.10 | 3.8 | 0.5 |
-| Debian Bookworm | ☐ | ☐ |      | 3.11 | 2.42 | 1.2020.2  | 0.9  | 3.6 |     |
-| Debian Bullseye | ☐ | ☐ |      | 3.9  | 2.42 | 1.2020.2  | 0.7  |     |     |
-| Ubuntu Noble    | ☐ | ☐ |      | 3.12 | 2.42 | 1.2020.2  | 0.9  | 3.8 |     |
-| Ubuntu Jammy    | ☐ | ☐ |      | 3.10 | 2.42 | 1.2020.2  | 0.8  | 3.4 |     |
-| Fedora 40       | ☑ | ☑ | 3.12 | 3.13 | 9.0  | 1.2024.6  | 0.9  | 3.7 | 0.4 |
-| Fedora 39       | ☑ | ☑ | 3.12 | 3.13 | 8.1  | 1.2024.6  | 0.9  | 3.5 | 0.4 |
-| Alma 9          | ☑ | ☑ | 3.9  | 3.12 | 2.44 | e1.2024.6 | e0.8 |     |     |
-| Rocky 9         | ☑ | ☑ | 3.9  | 3.12 | 2.44 | e1.2024.6 | e0.8 |     |     |
-| Alma 8          | ☑ | ☑ |      | 3.12 | 2.40 | e1.2024.6 | e0.6 |     |     |
-| Rocky 8         | ☑ | ☑ |      | 3.12 | 2.40 | e1.2024.6 | e0.6 |     |     |
+| os              | s | u | python      | gviz | plantuml  | shch | spx | shf | ruf |
+|:----------------|---|---|:------------|:-----|:----------|:-----|:----|:----|:----|
+| Arch 20240101   | ☑ | ☑ | 3.12        | 12.0 | 1.2023.13 | 0.10 | 7.4 | 3.8 | 0.5 |
+| Fedora 40       | ☑ | ☑ | 3.12 → 3.13 | 9.0  | 1.2024.6  | 0.9  | 7.2 | 3.7 | 0.4 |
+| Alpine 3.20     | ☑ | ☐ | 3.12        | 9.0  | 1.2024.4  | 0.10 | 7.2 | 3.8 | 0.4 |
+| Ubuntu Noble    | ☐ | ☐ | 3.12        | 2.42 | 1.2020.2  | 0.9  | 7.2 | 3.8 |     |
+| Debian Bookworm | ☐ | ☐ | 3.11        | 2.42 | 1.2020.2  | 0.9  | 5.3 | 3.6 |     |
+| Alma / Rocky 9  | ☑ | ☑ | 3.9  → 3.12 | 2.44 | e1.2024.6 | e0.8 |     |     |     |
+
+| os              | s | u | python      | gviz | plantuml  | shch | spx | shf | ruf |
+|:----------------|---|---|:------------|:-----|:----------|:-----|:----|:----|:----|
+| Fedora 39       | ☑ | ☑ | 3.12 → 3.13 | 8.1  | 1.2024.6  | 0.9  | 6.2 | 3.5 | 0.4 |
+| Alpine 3.19     | ☑ | ☐ | 3.11        | 9.0  | 1.2023.12 | 0.9  | 6.2 | 3.7 |     |
+| Ubuntu Jammy    | ☐ | ☐ | 3.10        | 2.42 | 1.2020.2  | 0.8  | 4.3 | 3.4 |     |
+| Debian Bullseye | ☐ | ☐ | 3.9         | 2.42 | 1.2020.2  | 0.7  | 3.4 |     |     |
+| Alma / Rocky 8  | ☑ | ☑ | 3.6  → 3.12 | 2.40 | e1.2024.6 | e0.6 |     |     |     |
 
 ## Tasks
 
diff --git a/spcd.sh b/spcd.sh
index f596325..458202d 100644
--- a/spcd.sh
+++ b/spcd.sh
@@ -33,9 +33,7 @@ spcd_main() {
 	spcd_install_git
 	spcd_install_python
 	# TODO move to Python
-	spcd_install_rsync
-	# TODO move to Python
-	spcd_install_ssh
+	spcd_install_packages
 	spcd_clean_packages_cache
 	spcd_install_python_modules
 	spcd_write_python_module
@@ -217,8 +215,6 @@ spcd_set_environment_variables() {
 	SPCD_DNS_FILE="/etc/resolv.conf"
 	SPCD_PKG_CA="ca-certificates"
 	SPCD_PKG_GIT="git"
-	# TODO move to Python
-	SPCD_PKG_RSYNC="rsync"
 	SPCD_PYTHON_ALIAS="python3"
 	spcd_split
 	spcd_echo "SPCD_DNS_FILE" "SPCD_PKG_CA" "SPCD_PKG_GIT" "SPCD_PYTHON_ALIAS"
@@ -398,8 +394,8 @@ Acquire::https::Verify-Peer False;
 	# set python command & package
 	case "${SPCD_OS_ID}" in
 	"${SPCD_OS_ALMA}" | "${SPCD_OS_ROCKY}")
-		SPCD_PYTHON_COMMAND="python3.11"
-		SPCD_PYTHON_PACKAGE="python3.11"
+		SPCD_PYTHON_COMMAND="python3.12"
+		SPCD_PYTHON_PACKAGE="python3.12"
 		;;
 	"${SPCD_OS_ALPINE}")
 		SPCD_PYTHON_COMMAND="python3.11"
@@ -418,8 +414,8 @@ Acquire::https::Verify-Peer False;
 		SPCD_PYTHON_PACKAGE="python3"
 		;;
 	"${SPCD_OS_FEDORA}")
-		SPCD_PYTHON_COMMAND="python3.12"
-		SPCD_PYTHON_PACKAGE="python3"
+		SPCD_PYTHON_COMMAND="python3.13"
+		SPCD_PYTHON_PACKAGE="python3.13"
 		;;
 	"${SPCD_OS_UBUNTU}")
 		case "${SPCD_OS_VERSION}" in
@@ -451,13 +447,6 @@ Acquire::https::Verify-Peer False;
 	#
 	spcd_split
 	spcd_echo "SPCD_CA"
-	# TODO move to Python
-	case "${SPCD_PM}" in
-	"${SPCD_PM_APK}" | "${SPCD_PM_APT}") SPCD_PKG_SSH="openssh-client" ;;
-	"${SPCD_PM_DNF}") SPCD_PKG_SSH="openssh-clients" ;;
-	"${SPCD_PM_PACMAN}") SPCD_PKG_SSH="openssh" ;;
-	*) ;;
-	esac
 }
 
 spcd_list_working_directory() {
@@ -609,15 +598,60 @@ spcd_install_python() {
 }
 
 # TODO move to Python
-spcd_install_rsync() {
+spcd_install_packages() {
+	# graphviz
+	spcd_step "Install GraphViz"
+	spcd_install_package "graphviz"
+	# plantuml
+	spcd_step "Install PlantUML"
+	case "${SPCD_OS_ID}" in
+	"${SPCD_OS_ALMA}" | "${SPCD_OS_ROCKY}") ;;
+	*) spcd_install_package "plantuml" ;;
+	esac
+	# python sphinx
+	spcd_step "Install Python Sphinx"
+	case "${SPCD_OS_ID}" in
+	"${SPCD_OS_ALPINE}")
+		spcd_install_package "py3-sphinx"
+		spcd_install_package "py3-sphinx_rtd_theme"
+		;;
+	"${SPCD_OS_ARCH}")
+		spcd_install_package "python-sphinx"
+		spcd_install_package "python-sphinx_rtd_theme"
+		;;
+	"${SPCD_OS_DEBIAN}" | "${SPCD_OS_UBUNTU}")
+		spcd_install_package "python3-sphinx"
+		spcd_install_package "python3-sphinx-rtd-theme"
+		;;
+	"${SPCD_OS_FEDORA}")
+		spcd_install_package "python3-sphinx"
+		spcd_install_package "python3-sphinx_rtd_theme"
+		;;
+	*) ;;
+	esac
+	# rsync
 	spcd_step "Install Rsync"
-	spcd_install_package "${SPCD_PKG_RSYNC}"
-}
-
-# TODO move to Python
-spcd_install_ssh() {
+	spcd_install_package "rsync"
+	# shellcheck
+	spcd_step "Install ShellCheck"
+	case "${SPCD_OS_ID}" in
+	"${SPCD_OS_ALMA}" | "${SPCD_OS_ROCKY}") ;;
+	*) spcd_install_package "shellcheck" ;;
+	esac
+	# shfmt
+	spcd_step "Install ShellFormat"
+	case "${SPCD_OS_ID}" in
+	"${SPCD_OS_ALMA}" | "${SPCD_OS_ROCKY}") ;;
+	*) spcd_install_package "shfmt" ;;
+	esac
+	# ssh
 	spcd_step "Install SSH"
-	spcd_install_package "${SPCD_PKG_SSH}"
+	case "${SPCD_PM}" in
+	"${SPCD_PM_APK}" | "${SPCD_PM_APT}") spcd_install_package "openssh-client" ;;
+	"${SPCD_PM_DNF}") spcd_install_package "openssh-clients" ;;
+	"${SPCD_PM_PACMAN}") spcd_install_package "openssh" ;;
+	*) ;;
+	esac
 }
 
 spcd_clean_packages_cache() {
diff --git a/spcd/__init__.py b/spcd/__init__.py
index 25827f6..2398f77 100644
--- a/spcd/__init__.py
+++ b/spcd/__init__.py
@@ -42,7 +42,6 @@ def main(main: str) -> None:
             "apt-get",
             "install",
             "--assume-yes",
-            "graphviz",
             "python3-sphinx",
             "python3-sphinx-rtd-theme",
         )