diff --git a/config/fish/completions/d.fish b/config/fish/completions/d.fish
new file mode 100644
index 0000000..040da67
--- /dev/null
+++ b/config/fish/completions/d.fish
@@ -0,0 +1,17 @@
+function __d_complete_directory
+  set -g dev_dir $DEVELOPER
+  set dev_dirs (echo (commandline) | tr ' ' \n)
+  set -e dev_dirs[1]
+
+  for dir in $dev_dirs
+    set -g dev_dir "$dev_dir/$dir"
+  end
+
+  if test -d $dev_dir
+    command ls -d $dev_dir/*/ | xargs -n1 basename
+  else
+    command ls -d $dev_dir*/ | xargs -n1 basename
+  end
+end
+
+complete -xc d -a "(__d_complete_directory)"
diff --git a/config/fish/functions/d.fish b/config/fish/functions/d.fish
new file mode 100644
index 0000000..adcecfc
--- /dev/null
+++ b/config/fish/functions/d.fish
@@ -0,0 +1,10 @@
+function d --description 'Like z, but d'
+  cd $DEVELOPER
+  for dir in $argv
+    cd $dir*/
+    or begin
+      echo "fish: No matches for wildcard '$dir*/'." >&2
+      return 1
+    end
+  end
+end