diff --git a/configuration.nix b/configuration.nix
index 7ab0471..1f1559d 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -34,7 +34,7 @@
   nix = {
     gc = {
       automatic = true;
-      options = "--delete-older-than 14d";
+      options = "--delete-older-than 7d";
       dates = "14:30";
     };
     extraOptions = ''
diff --git a/modules/development.nix b/modules/development.nix
index 794629b..144ac4b 100644
--- a/modules/development.nix
+++ b/modules/development.nix
@@ -5,7 +5,12 @@
   services.lorri.enable = true;
 
   # Enable virtualisation
-  virtualisation.libvirtd.enable = true;
+  virtualisation.libvirtd = {
+    enable = true;
+    onBoot = "ignore";
+    onShutdown = "shutdown";
+    qemuPackage = pkgs.qemu_kvm;
+  };
 
   # Set up podman
   virtualisation = {
diff --git a/modules/gui.nix b/modules/gui.nix
index 1e89e07..51cca14 100644
--- a/modules/gui.nix
+++ b/modules/gui.nix
@@ -42,6 +42,7 @@
       export QT_WAYLAND_DISABLE_WINDOWDECORATION="1"
       export SDL_VIDEODRIVER=wayland
       export GTK_THEME=Adapta-Eta
+      export WLR_DRM_NO_ATOMIC=1
     '';
     wrapperFeatures.gtk = true;
   };
@@ -73,4 +74,100 @@
     enable = true;
     pinentryFlavor = "gnome3";
   };
+
+  # Tmux
+  programs.tmux = {
+    enable = true;
+    historyLimit = 5000;
+    keyMode = "vi";
+    shortcut = "x";
+    terminal = "screen-256";
+    baseIndex = 1;
+    extraConfig = ''
+      ## set terminal bell
+      set -g bell-action any
+
+      # i3 split bindings
+      bind g split-window -h
+      bind v split-window -v
+      unbind '"'
+      unbind %
+      unbind m
+
+      # vim split navigation
+      bind h select-pane -L
+      bind j select-pane -D
+      bind k select-pane -U
+      bind l select-pane -R
+
+      # equalize splits with x
+      unbind space
+      bind space select-layout even-vertical
+
+      # window switching
+      unbind n
+      unbind c
+      bind c new-window
+      unbind ,
+      unbind .
+      bind , previous-window
+      bind . next-window
+      bind-key n command-prompt "rename-window '%%'"
+
+      # change kill window bind
+      unbind &
+      unbind x
+      bind x kill-session
+
+      # switch to last session
+      bind S switch-client -l
+
+      # force a reload of the config file
+      unbind r
+      bind r source-file ~/.tmux.conf
+
+      set -g status on
+      set -g pane-base-index 1
+      set -g base-index 1
+      set -g set-titles on
+      set -g aggressive-resize on
+      set-option -g set-titles-string '#{pane_current_command}'
+      set-option -g visual-activity on
+      set-option -g status-position bottom
+      set-option -g renumber-windows on
+      set-window-option -g monitor-activity off
+      set-option -g allow-rename off
+
+      # copy mode
+      unbind [
+      bind Escape copy-mode
+      bind-key -T copy-mode-vi 'v' send -X begin-selection # Begin selection in copy mode.
+      bind-key -T copy-mode-vi 'C-v' send -X rectangle-toggle # Begin selection in copy mode.
+      bind-key -T copy-mode-vi 'y' send -X copy-selection # Yank selection in copy mode.
+
+      set -g mouse on
+      bind -T root WheelUpPane   if-shell -F -t = "#{alternate_on}" "send-keys -M" "select-pane -t =; copy-mode -e; send-keys -M"
+      bind -T root WheelDownPane if-shell -F -t = "#{alternate_on}" "send-keys -M" "select-pane -t =; send-keys -M"
+
+      # Colorscheme
+      set -g status-justify "centre"
+      set -g status "on"
+      set -g status-left-style "none"
+      set -g message-command-style "fg=#c6c8d1,bg=#2e3244"
+      set -g status-right-style "none"
+      set -g pane-active-border-style "fg=#454b68"
+      set -g status-style "none,bg=#1e2132"
+      set -g message-style "fg=#c6c8d1,bg=#2e3244"
+      set -g pane-border-style "fg=#2e3244"
+      set -g status-right-length "100"
+      set -g status-left-length "100"
+      setw -g window-status-activity-style "none,fg=#454b68,bg=#1e2132"
+      setw -g window-status-separator ""
+      setw -g window-status-style "none,fg=#c6c8d1,bg=#1e2132"
+      set -g status-left "#[fg=#c6c8d1,bg=#454b68,bold] #S #[fg=#454b68,bg=#2e3244,nobold,nounderscore,noitalics]#[fg=#c6c8d1,bg=#1e2132] #[fg=#1e2132,bg=#1e2132,nobold,nounderscore,noitalics]"
+      set -g status-right "#[fg=#1e2132,bg=#1e2132,nobold,nounderscore,noitalics]#[fg=#c6c8d1,bg=#1e2132]  #[fg=#2e3244,bg=#1e2132,nobold,nounderscore,noitalics]#[fg=#c6c8d1,bg=#2e3244] %b %d %Y #[fg=#454b68,bg=#2e3244,nobold,nounderscore,noitalics]#[fg=#c6c8d1,bg=#454b68,bold] %R #{prefix_highlight} "
+      setw -g window-status-format "#[fg=#1e2132,bg=#1e2132,nobold,nounderscore,noitalics] #[fg=#c6c8d1] #I  #W #[fg=#1e2132,bg=#1e2132,nobold,nounderscore,noitalics]"
+      setw -g window-status-current-format "#[fg=#1e2132,bg=#2e3244,nobold,nounderscore,noitalics]#[fg=#c6c8d1,bg=#2e3244] #I  #W  #[fg=#2e3244,bg=#1e2132,nobold,nounderscore,noitalics]"
+    '';
+  };
 }
diff --git a/modules/software.nix b/modules/software.nix
index 41b5000..e8d801e 100644
--- a/modules/software.nix
+++ b/modules/software.nix
@@ -40,6 +40,7 @@
     mopidy
     ncmpcpp
     mpc_cli
+    alsa-firmware
     # Productivity
     fff
     zathura
@@ -57,6 +58,8 @@
     urlscan
     # Media
     gimp
+    mpv
+    nodePackages.webtorrent-cli
     # File management
     zip
     unzip