diff --git a/home.nix b/home.nix
index e72e5a6..24bfe26 100644
--- a/home.nix
+++ b/home.nix
@@ -30,13 +30,13 @@ in {
       jq
       tldr
       imagemagick
-      # command line applications
-      weechat
       # graphical applications
       alacritty
       atom
       enpass
       firefox
+      nheko
+      slack
       steam
       # graphical utilities
       clipmenu
@@ -69,6 +69,7 @@ in {
       '';
       ".config/fish/completions/systemctl.fish".source =
         ./scripts/systemctl.fish;
+      ".config/fish/functions/kbl.fish".source = ./scripts/kbl.fish;
       ".config/i3status/config".text = ''
         # i3status configuration file.
         # see "man i3status" for documentation.
@@ -205,6 +206,8 @@ in {
         vim-colorschemes
         vim-nix
         lightline-vim
+        haskell-vim
+        LanguageClient-neovim
       ];
       extraConfig = ''
         set cursorline     "highlight current line
@@ -235,6 +238,12 @@ in {
         autocmd vimenter * wincmd p
         "close if only nerdtree is left
         autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
+
+        "language server stuff
+        let g:LanguageClient_rootMarkers = ['*.cabal', 'stack.yaml']
+        let g:LanguageClient_serverCommands = {
+            \ 'haskell': ['ghcide', '--lsp'],
+            \ }
       '';
     };
     rofi = {
diff --git a/i3.nix b/i3.nix
index 4603bc5..784d85c 100644
--- a/i3.nix
+++ b/i3.nix
@@ -1,12 +1,6 @@
 { lib, lockCmd, ... }: {
   enable = true;
   config = rec {
-    assigns = {
-      "1: web" = [{ class = "Firefox"; }];
-      "2: devel" = [ { class = "Alacritty"; } { class = "Atom"; } ];
-      "3: admin" = [{ class = "Enpass"; }];
-      "4: other" = [{ class = ".*"; }];
-    };
     fonts = [ "Fira Code" "FontAwesome 12" ];
     colors = {
       background = "#fff5e0";
@@ -97,16 +91,24 @@
       "${modifier}+d" = "exec --no-startup-id rofi -show run";
       "XF86AudioRaiseVolume" = "exec --no-startup-id amixer sset Master 5%+";
       "XF86AudioLowerVolume" = "exec --no-startup-id amixer sset Master 5%-";
-      "XF86MonBrightnessUp" = "exec light -A 20";
-      "XF86MonBrightnessDown" = "exec light -U 20";
+      "XF86MonBrightnessUp" = "exec --no-startup-id light -A 10";
+      "XF86MonBrightnessDown" = "exec --no-startup-id light -U 10";
     };
     workspaceLayout = "tabbed";
+    assigns = {
+      "1: web" = [{ class = "Firefox"; }];
+      "2: devel" = [ { class = "Alacritty"; } { class = "Atom"; } ];
+      "3: social" = [ { class = "(N|n)heko"; } { class = "Slack"; } ];
+      "4: admin" = [{ class = "Enpass"; }];
+      "5: other" = [{ class = ".*"; }];
+    };
   };
   extraConfig = ''
     exec --no-startup-id firefox
-    exec --no-startup-id atom
     exec --no-startup-id alacritty
-    for_window [class="Firefox"] focus
     exec --no-startup-id Enpass
+    exec --no-startup-id slack
+    exec --no-startup-id nheko
+    for_window [class="Firefox"] focus
   '';
 }
diff --git a/scripts/kbl.fish b/scripts/kbl.fish
new file mode 100644
index 0000000..aa968bb
--- /dev/null
+++ b/scripts/kbl.fish
@@ -0,0 +1,4 @@
+function kbl -a level
+  test -z "$level"; and set -l level (cat /sys/class/leds/tpacpi\:\:kbd_backlight/brightness)
+  echo $level > /sys/class/leds/tpacpi\:\:kbd_backlight/brightness
+end