diff --git a/.profile b/.profile
index c3b9c62..5cb376a 100644
--- a/.profile
+++ b/.profile
@@ -1,2 +1,3 @@
 export GTK_THEME=Adwaita:dark
 export MOZ_USE_XINPUT2=1
+export XDG_DATA_DIRS=$XDG_DATA_DIRS:/usr/share:/var/lib/flatpak/exports/share:$HOME/.local/share/flatpak/exports/share
diff --git a/home-manager/home.nix b/home-manager/home.nix
index bbb9e28..f0e599f 100644
--- a/home-manager/home.nix
+++ b/home-manager/home.nix
@@ -171,20 +171,23 @@ in {
     pkgs.i3lock
     pkgs.flameshot
 
-    # Note
+    # Note & Documents
     pkgs.obsidian
     pkgs.xournalpp
+    pkgs.sioyek
 
     # Multimedia
     pkgs.kdePackages.gwenview
     pkgs.vlc
     pkgs.playerctl
     pkgs.ffmpeg
+    pkgs.spotify
+    unstable.spotify-player
 
     # Streaming
     pkgs.obs-studio
 
-    # IM
+    # Communication
     pkgs.telegram-desktop
     pkgs.discord
 
@@ -205,7 +208,7 @@ in {
     pkgs.adwaita-qt
     pkgs.adwaita-qt6
     pkgs.firefox-devedition
-    pkgs.sioyek
+    pkgs.wiki-tui
 
     # My version of BerkeleyMono NF is incomplete. Should add some fallback fonts.
     (pkgs.nerdfonts.override { fonts = [
@@ -315,6 +318,7 @@ in {
       set -g default-command "${pkgs.zsh}/bin/zsh"
       setw -g mode-keys vi
       set-option -g status-position top
+      set -sg escape-time 0
       set -g @plugin 'tmux-plugins/tpm'
       # This plugin seems to break terminfo when default shell of a terminal emulator is set to zsh.
       # set -g @plugin 'tmux-plugins/tmux-sensible'
diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index ddc8118..348d506 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -163,7 +163,11 @@ in {
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.user = {
     isNormalUser = true;
-    extraGroups = [ "wheel" "wireshark" ]; # Enable ‘sudo’ for the user.
+    extraGroups = [
+      "wheel"
+      "wireshark"
+      "vboxusers"
+    ]; # Enable ‘sudo’ for the user.
     packages = with pkgs; [
       home-manager
       contour
@@ -223,6 +227,25 @@ in {
     htb  = { config = '' config /home/user/Downloads/starting_point_bzw.ovpn ''; };
   };
 
+  virtualisation.virtualbox = {
+    host = {
+      enable = true;
+      enableExtensionPack = true;
+    };
+    guest = {
+      enable = true;
+      draganddrop = true;
+      clipboard = true;
+    };
+  };
+
+  services.flatpak.enable = true;
+  xdg.portal = {
+    enable = true;
+    extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
+    config.common.default = "gtk";
+  };
+
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];
diff --git a/nvim/lua/config.lua b/nvim/lua/config.lua
index 879cab5..e8170e8 100644
--- a/nvim/lua/config.lua
+++ b/nvim/lua/config.lua
@@ -1,5 +1,6 @@
 vim.cmd("set encoding=utf-8")
 vim.cmd("set exrc")
+vim.cmd("filetype off")
 vim.cmd("set pumblend=40")
 vim.cmd("set winblend=40")
 vim.cmd("set expandtab")
@@ -22,14 +23,16 @@ vim.cmd("set signcolumn=yes")
 vim.cmd("set noequalalways")
 vim.cmd("set cmdheight=0")
 vim.cmd("set scrolloff=10")
-vim.cmd("set foldmethod=expr")
-vim.cmd("set foldexpr=nvim_treesitter#foldexpr()")
-vim.cmd("set foldlevelstart=99")
+-- vim.cmd("set foldmethod=expr")
+-- vim.cmd("set foldexpr=nvim_treesitter#foldexpr()")
+-- vim.cmd("set foldlevelstart=99")
 vim.cmd("set list")
 vim.cmd("set listchars=trail:█")
 vim.cmd("set guicursor=n-v-c:block,i:ver25,a:blinkon0")
+vim.cmd("set guifont=BerkeleyMono\\ Nerd\\ Font")
 vim.cmd("set noshowmode")
 vim.diagnostic.config({
+    virtual_text = false,
     update_in_insert = true,
     float = {
         border = "none",
@@ -370,11 +373,11 @@ local plugins = {
     --         { "nvim-telescope/telescope-fzy-native.nvim" },
     --     },
     -- },
-    {
-        "chrisgrieser/nvim-origami",  -- Fold keymap
-        event = "BufReadPost", -- later or on keypress would prevent saving folds
-        opts = true, -- needed even when using default config
-    },
+    -- {
+    --     "chrisgrieser/nvim-origami",  -- Fold keymap
+    --     event = "BufReadPost", -- later or on keypress would prevent saving folds
+    --     opts = true, -- needed even when using default config
+    -- },
     {
         -- dir = '/home/user/Documents/ultimate-autopair.nvim',
         'altermo/ultimate-autopair.nvim',
@@ -468,6 +471,8 @@ local plugins = {
         dependencies = { 'nvim-treesitter/nvim-treesitter', 'echasnovski/mini.nvim' }, -- if you use the mini.nvim suite
     },
     { 'echasnovski/mini.trailspace', version = '*' },
+    { url = 'https://git.sr.ht/~whynothugo/lsp_lines.nvim' },
+    { 'glacambre/firenvim', build = ":call firenvim#install(0)" },
 }
 require("lazy").setup(plugins, {})
 
@@ -1153,3 +1158,5 @@ require("telescope").setup {
 -- vim.diagnostic.config({ virtual_text = false })
 
 require('mini.trailspace').setup {}
+
+require('lsp_lines').setup {}