diff --git a/javascript/install.fish b/javascript/install.fish
index 3a4e84c..13b30c1 100755
--- a/javascript/install.fish
+++ b/javascript/install.fish
@@ -8,3 +8,9 @@ source "$DOT/node/node_utils.fish"
 print_subtitle "Javascript/Typescript"
 
 npm_install "gulp CLI" "gulp-cli"
+
+if [ "$(uname)" = "Darwin" ]
+  brew_install "WebStorm" "webstorm" "--cask"
+else if [ "$(uname)" = "Linux" ] && cmd_exists snap
+  execute "sudo snap install webstorm --classic" "WebStorm"
+end
diff --git a/os/apt_utils.fish b/os/apt_utils.fish
index 6fb0b76..c2c9279 100644
--- a/os/apt_utils.fish
+++ b/os/apt_utils.fish
@@ -4,11 +4,11 @@ source "$DOT/script/utils.fish"
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
-function package_is_installed -a pkg
+function apt_package_is_installed -a pkg
   dpkg -s "$pkg" &>/dev/null
 end
 
-function install_package -a pkg_readable_name pkg args
+function apt_install -a pkg_readable_name pkg args
   if ! package_is_installed "$pkg"
     execute \
       "sudo apt-get install --allow-authenticated -qqy $args $pkg" "$pkg_readable_name"
@@ -21,17 +21,17 @@ end
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
-function add_key -a key
+function apt_add_key -a key
   wget -q0 - "$key" | sudo apt-key add - &> /dev/null
   #     │└─ write output to file
   #     └─ don't show output
 end
 
-function add_ppa -a ppa
+function apt_add_ppa -a ppa
   sudo add-apt-repository -y ppa:"$ppa" &>/dev/null
 end
 
-function add_to_source_list -a source list
+function apt_add_to_source_list -a source list
   sudo sh -c "printf 'deb $source' >> '/etc/apt/sources.list.d/$list'"
 end
 
diff --git a/os/install.fish b/os/install.fish
index b4da2f4..1adbaf9 100644
--- a/os/install.fish
+++ b/os/install.fish
@@ -2,6 +2,7 @@
 
 source "$DOT/script/utils.fish"
 source "$DOT/homebrew/brew_utils.fish"
+source "$DOT/os/apt_utils.fish"
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
@@ -10,22 +11,51 @@ print_subtitle "OS"
 if [ "$(uname)" = "Darwin" ]
   brew_install "mas-cli" "mas"
 
+  # Window management.
   brew_install "Rectangle" "rectangle" "--cask"
   execute "mas install 1563735522" "Charmstone"
 
+  # Networking.
   brew_install "Windscribe" "windscribe" "--cask"
   brew_install "Firefox" "firefox" "--cask"
   brew_install "qBittorrent" "qbittorrent" "--cask"
 
+  # Social.
   brew_install "Discord" "discord" "--cask"
   brew_install "BetterDiscord" "betterdiscord-installer" "--cask"
 
+  # Productivity.
   brew_install "Obsidian" "obsidian" "--cask"
   brew_install "Fantastical" "fantastical" "--cask"
 
+  # Hacking.
   brew_install "iTerm2" "iterm2" "--cask"
-  brew_install "Laravel Herd" "herd" "--cask"
   brew_install "DBngin" "dbngin" "--cask"
-  brew_install "PhpStorm" "phpstorm" "--cask"
-  brew_install "WebStorm" "webstorm" "--cask"
+
+  # Utilities.
+  brew_install "The Unarchiver" "the-unarchiver" "--cask"
+
+else if [ "$(uname)" = "Linux" ] && cmd_exists snap
+  apt_install "wget" "wget"
+  apt_install "curl" "curl"
+
+  # Networking.
+  if ! cmd_exists windscribe
+    execute "sudo wget https://github.com/Windscribe/Desktop-App/releases/download/v2.8.6/windscribe_2.8.6_amd64.deb -O /tmp/ws.deb \
+      && sudo apt install /tmp/ws.deb" \
+      "Windscribe"
+  end
+
+  execute "sudo snap install firefox" "Firefox"
+  execute "sudo snap install qbittorrent-arnatious" "qBittorrent"
+
+  # Social.
+  execute "sudo snap install discord" "Discord"
+  # TODO: add check for already installed.
+  execute "sudo wget https://github.com/BetterDiscord/Installer/releases/latest/download/BetterDiscord-Linux.AppImage -O /tmp/bd.AppImage \
+    && sudo chmod u+x /tmp/bd.AppImage \
+    && /tmp/bd.AppImage" \
+    "BetterDiscord"
+
+  execute "sudo snap install obsidian --classic" "Obsidian"
 end
diff --git a/php/install.fish b/php/install.fish
index b50106b..041e1b3 100644
--- a/php/install.fish
+++ b/php/install.fish
@@ -8,4 +8,6 @@ source "$DOT/homebrew/brew_utils.fish"
 if [ "$(uname)" = "Darwin" ]
   brew_install "Laravel Herd" "herd" "--cask"
   brew_install "PhpStorm" "phpstorm" "--cask"
+else if [ "$(uname)" = "Linux" ] && cmd_exists snap
+  execute "sudo snap install phpstorm --classic" "PhpStorm"
 end