diff --git a/flake.lock b/flake.lock
index c4e327f..61e682b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -26,11 +26,11 @@
     "arkenfox-userjs": {
       "flake": false,
       "locked": {
-        "lastModified": 1741229528,
-        "narHash": "sha256-21DoV4SMueMFRHMsvfsPfQIOtsvRWNY06rE4gB7xFnc=",
+        "lastModified": 1736708527,
+        "narHash": "sha256-/JQo2XnLF8qfSQKvjuFDtvzzz/QHO/dLBHJO4vLOXNk=",
         "owner": "arkenfox",
         "repo": "user.js",
-        "rev": "3d76c74c80485931425464fec0e59d6cb461677a",
+        "rev": "c25187332e19c633b956a6755a7971a6591d3e8d",
         "type": "github"
       },
       "original": {
@@ -39,29 +39,6 @@
         "type": "github"
       }
     },
-    "csharp-language-server": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1743061507,
-        "narHash": "sha256-M605lQQ035J61tZ48tye8JUCN4MZKXhcTP3SqXqtr4g=",
-        "owner": "SofusA",
-        "repo": "csharp-language-server",
-        "rev": "a119d6002874d9335dbff0a9445f652762eb6685",
-        "type": "github"
-      },
-      "original": {
-        "owner": "SofusA",
-        "repo": "csharp-language-server",
-        "type": "github"
-      }
-    },
     "darwin": {
       "inputs": {
         "nixpkgs": [
@@ -132,11 +109,11 @@
       },
       "locked": {
         "dir": "pkgs/firefox-addons",
-        "lastModified": 1742773104,
-        "narHash": "sha256-dAhrL+gEjNN5U/Sosy7IrX0Y0qPA0U7Gp9TBhqEliNU=",
+        "lastModified": 1739457209,
+        "narHash": "sha256-aIFi91DhSVtsiinX3OmjHIhBmkA6VKwQZf7RRgaHScw=",
         "owner": "rycee",
         "repo": "nur-expressions",
-        "rev": "d74460da63a8c08a69a1f143b04f2ab1a6b2f5c2",
+        "rev": "5ff0742fc6c2156e8d9b0fbb43678b0d3e8ce578",
         "type": "gitlab"
       },
       "original": {
@@ -217,11 +194,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1741352980,
-        "narHash": "sha256-+u2UunDA4Cl5Fci3m7S643HzKmIDAe+fiXrLqYsR2fs=",
+        "lastModified": 1738453229,
+        "narHash": "sha256-7H9XgNiGLKN1G1CgRh0vUL4AheZSYzPm+zmZ7vxbJdo=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "f4330d22f1c5d2ba72d3d22df5597d123fdb60a9",
+        "rev": "32ea77a06711b758da0ad9bd6a844c5740a87abd",
         "type": "github"
       },
       "original": {
@@ -333,11 +310,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742655702,
-        "narHash": "sha256-jbqlw4sPArFtNtA1s3kLg7/A4fzP4GLk9bGbtUJg0JQ=",
+        "lastModified": 1736373539,
+        "narHash": "sha256-dinzAqCjenWDxuy+MqUQq0I4zUSfaCvN9rzuCmgMZJY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "0948aeedc296f964140d9429223c7e4a0702a1ff",
+        "rev": "bd65bc3cde04c16755955630b344bc9e35272c56",
         "type": "github"
       },
       "original": {
@@ -391,15 +368,14 @@
         "nixpkgs": [
           "nixpkgs"
         ],
-        "nixpkgs-stable": "nixpkgs-stable",
-        "rust-overlay": "rust-overlay"
+        "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1742863891,
-        "narHash": "sha256-/mGCIxO7zlWCHOZLaOMRoJgSLpIav0PBKWG3BQddElw=",
+        "lastModified": 1739415434,
+        "narHash": "sha256-ToTH8JnLcpclRT4jLrlSHhD7CfNmtGnVLZno60ziglc=",
         "owner": "lilyinstarlight",
         "repo": "nixos-cosmic",
-        "rev": "366999efebcad2165f472ef93e9c996693bda75d",
+        "rev": "b5ee5262ada13884a6b56ea93eec8ea6f12e3624",
         "type": "github"
       },
       "original": {
@@ -410,11 +386,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1742806253,
-        "narHash": "sha256-zvQ4GsCJT6MTOzPKLmlFyM+lxo0JGQ0cSFaZSACmWfY=",
+        "lastModified": 1738816619,
+        "narHash": "sha256-5yRlg48XmpcX5b5HesdGMOte+YuCy9rzQkJz+imcu6I=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "ecaa2d911e77c265c2a5bac8b583c40b0f151726",
+        "rev": "2eccff41bab80839b1d25b303b53d339fbb07087",
         "type": "github"
       },
       "original": {
@@ -425,11 +401,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1742751704,
-        "narHash": "sha256-rBfc+H1dDBUQ2mgVITMGBPI1PGuCznf9rcWX/XIULyE=",
+        "lastModified": 1739357830,
+        "narHash": "sha256-9xim3nJJUFbVbJCz48UP4fGRStVW5nv4VdbimbKxJ3I=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f0946fa5f1fb876a9dc2e1850d9d3a4e3f914092",
+        "rev": "0ff09db9d034a04acd4e8908820ba0b410d7a33a",
         "type": "github"
       },
       "original": {
@@ -441,11 +417,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1742512142,
-        "narHash": "sha256-8XfURTDxOm6+33swQJu/hx6xw1Tznl8vJJN5HwVqckg=",
+        "lastModified": 1739206421,
+        "narHash": "sha256-PwQASeL2cGVmrtQYlrBur0U20Xy07uSWVnFup2PHnDs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7105ae3957700a9646cc4b766f5815b23ed0c682",
+        "rev": "44534bc021b85c8d78e465021e21f33b856e2540",
         "type": "github"
       },
       "original": {
@@ -457,11 +433,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1742669843,
-        "narHash": "sha256-G5n+FOXLXcRx+3hCJ6Rt6ZQyF1zqQ0DL0sWAMn2Nk0w=",
+        "lastModified": 1739214665,
+        "narHash": "sha256-26L8VAu3/1YRxS8MHgBOyOM8xALdo6N0I04PgorE7UM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1e5b653dff12029333a6546c11e108ede13052eb",
+        "rev": "64e75cd44acf21c7933d61d7721e812eac1b5a0a",
         "type": "github"
       },
       "original": {
@@ -496,11 +472,11 @@
         "systems": "systems_3"
       },
       "locked": {
-        "lastModified": 1742893502,
-        "narHash": "sha256-W8M7Kzat8ySVY+bBW0FF6jB4xjdb8sLm14OHVyyu0KQ=",
+        "lastModified": 1739438287,
+        "narHash": "sha256-glDed6Vp6lAn7dkx/9O3Y2CMo675lB4A/Ydbfn0fesA=",
         "owner": "astro",
         "repo": "nix-openwrt-imagebuilder",
-        "rev": "89d3674159e5606b0c1db636e7c7463b7b976b45",
+        "rev": "bc7334b11e21abaed14264db9f7fa99c1da460de",
         "type": "github"
       },
       "original": {
@@ -518,11 +494,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742649964,
-        "narHash": "sha256-DwOTp7nvfi8mRfuL1escHDXabVXFGT1VlPD1JHrtrco=",
+        "lastModified": 1737465171,
+        "narHash": "sha256-R10v2hoJRLq8jcL4syVFag7nIGE7m13qO48wRIukWNg=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "dcf5072734cb576d2b0c59b2ac44f5050b5eac82",
+        "rev": "9364dc02281ce2d37a1f55b6e51f7c0f65a75f17",
         "type": "github"
       },
       "original": {
@@ -535,7 +511,6 @@
       "inputs": {
         "agenix": "agenix",
         "arkenfox-userjs": "arkenfox-userjs",
-        "csharp-language-server": "csharp-language-server",
         "deploy-rs": "deploy-rs",
         "firefox-addons": "firefox-addons",
         "flake-parts": "flake-parts",
@@ -548,27 +523,30 @@
         "nixpkgs-unstable": "nixpkgs-unstable",
         "nvim-kitty-navigator": "nvim-kitty-navigator",
         "openwrt-imagebuilder": "openwrt-imagebuilder",
-        "pre-commit-hooks": "pre-commit-hooks"
+        "pre-commit-hooks": "pre-commit-hooks",
+        "roslyn-language-server": "roslyn-language-server"
       }
     },
-    "rust-overlay": {
+    "roslyn-language-server": {
       "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ],
         "nixpkgs": [
-          "nixos-cosmic",
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1742437918,
-        "narHash": "sha256-Vflb6KJVDikFcM9E231mRN88uk4+jo7BWtaaQMifthI=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "f03085549609e49c7bcbbee86a1949057d087199",
+        "lastModified": 1739209199,
+        "narHash": "sha256-IXemY38IgENRcnBw2/0hBkUU8dNwZr+kzrrVQd4EH/o=",
+        "owner": "SofusA",
+        "repo": "roslyn-language-server",
+        "rev": "e1e9831f8fc83121f87516b00401cca409392c29",
         "type": "github"
       },
       "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
+        "owner": "SofusA",
+        "repo": "roslyn-language-server",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index 4219e6d..a48f95f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -80,8 +80,8 @@ rec {
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    csharp-language-server = {
-      url = "github:SofusA/csharp-language-server";
+    roslyn-language-server = {
+      url = "github:SofusA/roslyn-language-server";
       inputs.nixpkgs.follows = "nixpkgs";
       inputs.flake-utils.follows = "flake-utils";
     };
diff --git a/home/editors/helix/default.nix b/home/editors/helix/default.nix
index e346dfb..03c9c61 100644
--- a/home/editors/helix/default.nix
+++ b/home/editors/helix/default.nix
@@ -140,7 +140,7 @@ in
           };
         };
       };
-      roslyn.command = "csharp-language-server";
+      roslyn.command = "roslyn-language-server";
       statix = {
         command = "efm-langserver";
         config = {
diff --git a/home/editors/lsp.nix b/home/editors/lsp.nix
index 4f39eec..1b8cea7 100644
--- a/home/editors/lsp.nix
+++ b/home/editors/lsp.nix
@@ -5,15 +5,7 @@
     # language servers
     efm-langserver
     unstable.roslyn-ls
-    (pkgs.symlinkJoin {
-      name = "csharp-language-server";
-      paths = [ inputs.csharp-language-server.packages.${system}.csharp-language-server ];
-      buildInputs = [ pkgs.makeWrapper ];
-      postBuild = ''
-        wrapProgram $out/bin/csharp-language-server \
-          --prefix PATH : "${pkgs.lib.makeBinPath [ pkgs.dotnet-sdk_9 ]}"
-      '';
-    })
+    inputs.roslyn-language-server.packages.${system}.roslyn-language-server
     omnisharp-roslyn
     nil
     unstable.nixd
diff --git a/home/felschr-work.nix b/home/felschr-work.nix
index 6d7011e..0002dd2 100644
--- a/home/felschr-work.nix
+++ b/home/felschr-work.nix
@@ -13,6 +13,7 @@ with pkgs;
     ./editors
     ./desktop
     ./git.nix
+    ./keybase.nix
     ./element.nix
     ./signal.nix
     ./browsers
diff --git a/home/felschr.nix b/home/felschr.nix
index d6909f5..712a704 100644
--- a/home/felschr.nix
+++ b/home/felschr.nix
@@ -8,6 +8,7 @@
     ./desktop
     ./desktop/monitors.nix
     ./git.nix
+    ./keybase.nix
     ./element.nix
     ./signal.nix
     ./browsers
diff --git a/home/keybase.nix b/home/keybase.nix
new file mode 100644
index 0000000..29233a4
--- /dev/null
+++ b/home/keybase.nix
@@ -0,0 +1,8 @@
+{ config, pkgs, ... }:
+
+{
+  services.keybase.enable = true;
+  # services.kbfs.enable = true;
+
+  home.packages = [ pkgs.keybase-gui ];
+}
diff --git a/home/tailscale.nix b/home/tailscale.nix
index 5ea2546..2e9511f 100644
--- a/home/tailscale.nix
+++ b/home/tailscale.nix
@@ -1,12 +1,8 @@
 { pkgs, ... }:
 
 {
-  home.packages = with pkgs; [
-    unstable.trayscale
-    (makeAutostartItem {
-      name = "dev.deedles.Trayscale";
-      package = unstable.trayscale;
-      prependExtraArgs = [ "--hide-window" ];
-    })
-  ];
+  services.trayscale = {
+    enable = true;
+    package = pkgs.unstable.trayscale;
+  };
 }
diff --git a/services/restic/home-pc.nix b/services/restic/home-pc.nix
index fc8a39a..9874d8a 100644
--- a/services/restic/home-pc.nix
+++ b/services/restic/home-pc.nix
@@ -66,6 +66,7 @@ in
       "/home/*/.local/share/gnome-boxes"
       "/home/*/.local/share/bottles"
       "/home/*/.local/share/Steam"
+      "/home/*/.local/share/keybase"
       "/home/*/.local/share/libvirt"
       "/home/*/.local/share/lutris"
       "/home/*/.local/share/NuGet"
@@ -80,6 +81,7 @@ in
       "/home/*/.config/Proton Pass"
       "/home/*/.config/spotify/Users"
       "/home/felschr/media"
+      "/home/felschr/keybase"
       "/home/felschr/dev" # backup ~/dev-backup instead
 
       # general