diff --git a/pkgs/by-name/kr/kreative-square-fonts/package.nix b/pkgs/by-name/kr/kreative-square-fonts/package.nix
deleted file mode 100644
index d27fbea980345..0000000000000
--- a/pkgs/by-name/kr/kreative-square-fonts/package.nix
+++ /dev/null
@@ -1,34 +0,0 @@
-{
-  lib,
-  stdenvNoCC,
-  fetchFromGitHub,
-}:
-
-stdenvNoCC.mkDerivation {
-  pname = "kreative-square-fonts";
-  version = "unstable-2021-01-29";
-
-  src = fetchFromGitHub {
-    owner = "kreativekorp";
-    repo = "open-relay";
-    rev = "084f05af3602307499981651eca56851bec01fca";
-    hash = "sha256-+ihosENczaGal3BGDIaJ/de0pf8txdtelSYMxPok6ww=";
-  };
-
-  installPhase = ''
-    runHook preInstall
-
-    install -Dm444 -t $out/share/fonts/truetype/ KreativeSquare/KreativeSquare.ttf
-    install -Dm444 -t $out/share/fonts/truetype/ KreativeSquare/KreativeSquareSM.ttf
-
-    runHook postInstall
-  '';
-
-  meta = with lib; {
-    description = "Fullwidth scalable monospace font designed specifically to support pseudographics, semigraphics, and private use characters";
-    homepage = "https://www.kreativekorp.com/software/fonts/ksquare.shtml";
-    license = licenses.ofl;
-    platforms = platforms.all;
-    maintainers = [ maintainers.linus ];
-  };
-}
diff --git a/pkgs/data/fonts/open-relay/default.nix b/pkgs/data/fonts/open-relay/default.nix
new file mode 100644
index 0000000000000..15c591cab3bc4
--- /dev/null
+++ b/pkgs/data/fonts/open-relay/default.nix
@@ -0,0 +1,95 @@
+{
+  lib,
+  stdenvNoCC,
+  fetchFromGitHub,
+}:
+
+let
+  mkOpenRelayTypeface =
+    name:
+    { directory, meta }:
+    stdenvNoCC.mkDerivation (finalAttrs: {
+      pname = "open-relay-${name}";
+      version = "2025-03-20";
+
+      src = fetchFromGitHub {
+        owner = "kreativekorp";
+        repo = "open-relay";
+        tag = finalAttrs.version;
+        hash = "sha256-OQpZHPbNL3rxXH89lwtHvm7eENl8fS0M0i8IBn4m2hI=";
+      };
+
+      installPhase = ''
+        runHook preInstall
+
+        install -D -m444 -t "$out/share/fonts/truetype" "${directory}/*.ttf"
+        install -D -m644 -t "$out/share/doc/${finalAttrs.pname}-${finalAttrs.version}" "${directory}/OFL.txt"
+
+        runHook postInstall
+      '';
+
+      meta = {
+        homepage = "https://www.kreativekorp.com/software/fonts/index.shtml";
+        description = "Free and open source fonts from Kreative Software";
+        license = lib.licenses.ofl;
+        platforms = lib.platforms.all;
+        maintainers = with lib.maintainers; [
+          linus
+          toastal
+        ];
+      } // meta;
+    });
+in
+lib.mapAttrs mkOpenRelayTypeface {
+  constructium = {
+    directory = "Constructium";
+    meta = {
+      homepage = "https://www.kreativekorp.com/software/fonts/constructium/";
+      description = "fork of SIL Gentium designed specifically to support constructed scripts as encoded in the Under-ConScript Unicode Registry";
+      longDescription = ''
+        Constructium is a fork of SIL Gentium designed specifically to support
+        constructed scripts as encoded in the Under-ConScript Unicode Registry.
+        It is ideal for mixed Latin, Greek, Cyrillic, IPA, and conlang text in
+        web sites and documents.
+      '';
+    };
+  };
+
+  fairfax = {
+    directory = "Fairfax";
+    meta = {
+      homepage = "https://www.kreativekorp.com/software/fonts/fairfax/";
+      description = "6×12 bitmap font supporting many Unicode blocks & scripts as well as constructed scripts";
+      longDescription = ''
+        Fairfax is a 6×12 bitmap font for terminals, text editors, IDEs, etc. It
+        supports many scripts and a large number of Unicode blocks as well as
+        constructed scripts as encoded in the Under-ConScript Unicode Registry,
+        pseudographics and semigraphics, and tons of private use characters. It
+        has been superceded by Fairfax HD but is still maintained.
+      '';
+    };
+  };
+
+  fairfax-hd = {
+    directory = "FairfaxHD";
+    meta = {
+      homepage = "https://www.kreativekorp.com/software/fonts/fairfaxhd/";
+      description = "halfwidth scalable monospace font supporting many Unicode blocks & script as well as constructed scripts";
+      longDescription = ''
+        Fairfax HD is a halfwidth scalable monospace font for terminals, text
+        editors, IDEs, etc. It supports many scripts and a large number of
+        Unicode blocks as well as constructed scripts as encoded in the
+        Under-ConScript Unicode Registry, pseudographics and semigraphics, and
+        tons of private use characters.
+      '';
+    };
+  };
+
+  kreative-square = {
+    directory = "KreativeSquare";
+    meta = {
+      homepage = "https://www.kreativekorp.com/software/fonts/ksquare/";
+      description = "Fullwidth scalable monospace font designed specifically to support pseudographics, semigraphics, and private use characters";
+    };
+  };
+}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 6c275304bfeeb..3268931b6a283 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -929,6 +929,7 @@ mapAliases {
   kodiPlugins = kodiPackages; # Added 2021-03-09;
   kramdown-rfc2629 = throw "'kramdown-rfc2629' has been renamed to/replaced by 'rubyPackages.kramdown-rfc2629'"; # Converted to throw 2024-10-17
   krb5Full = krb5;
+  kreative-square-fonts = throw "'kreative-square-fonts' has been renamed to 'kreative-square'"; # Added 2025-04-16
   krita-beta = throw "'krita-beta' has been renamed to/replaced by 'krita'"; # Converted to throw 2024-10-17
   krun = throw "'krun' has been renamed to/replaced by 'muvm'"; # Added 2025-05-01
   kubei = kubeclarity; # Added 2023-05-20
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 43ecd33124f69..c4d12b8a6731a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13642,6 +13642,13 @@ with pkgs;
     vm = callPackage ../applications/audio/open-music-kontrollers/vm.nix { };
   };
 
+  inherit (callPackages ../data/fonts/open-relay { })
+    constructium
+    fairfax
+    fairfax-hd
+    kreative-square
+    ;
+
   openscad = libsForQt5.callPackage ../applications/graphics/openscad { };
 
   opentoonz = libsForQt5.callPackage ../applications/graphics/opentoonz { };