diff --git a/pkgs/by-name/ta/tacent/package.nix b/pkgs/by-name/ta/tacent/package.nix
new file mode 100644
index 000000000000..a55a4e950426
--- /dev/null
+++ b/pkgs/by-name/ta/tacent/package.nix
@@ -0,0 +1,41 @@
+{
+  cmake,
+  fetchFromGitHub,
+  lib,
+  ninja,
+  stdenv,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "tacent";
+  version = "0.8.18";
+
+  src = fetchFromGitHub {
+    owner = "bluescan";
+    repo = "tacent";
+    tag = finalAttrs.version;
+    hash = "sha256-z8VuJS8OaVw5CeO/udvBEmcURKIy1oWVYUv6Ai8lTI8=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+  ];
+
+  meta = {
+    description = "C++ library providing linear algebra and various utility functions";
+    longDescription = ''
+      A C++ library implementing linear algebra, text and file IO, UTF-N conversions,
+      containers, image loading/saving, image quantization/filtering, command-line parsing, etc.
+    '';
+    homepage = "https://github.com/bluescan/tacent";
+    changelog = "https://github.com/bluescan/tacent/releases/tag/v${finalAttrs.version}";
+    license = lib.licenses.isc;
+    maintainers = with lib.maintainers; [ PopeRigby ];
+    platforms = lib.platforms.linux;
+    badPlatforms = [
+      # /build/source/UnitTests/Src/UnitTests.cpp:149:15: error: 'Rule' is not a member of 'tUnitTest'
+      "aarch64-linux"
+    ];
+  };
+})
diff --git a/pkgs/by-name/ta/tacentview/package.nix b/pkgs/by-name/ta/tacentview/package.nix
new file mode 100644
index 000000000000..358b140573b3
--- /dev/null
+++ b/pkgs/by-name/ta/tacentview/package.nix
@@ -0,0 +1,70 @@
+{
+  autoPatchelfHook,
+  cmake,
+  fetchFromGitHub,
+  installShellFiles,
+  lib,
+  libGL,
+  ninja,
+  stdenv,
+  tacent,
+  xorg,
+  zenity,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "tacentview";
+  version = "1.0.46";
+
+  src = fetchFromGitHub {
+    owner = "bluescan";
+    repo = "tacentview";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-d4A26p1hmkYEZ+h6kRbHHr4QmAc3PMe3qYdkeKIRGkU=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+    installShellFiles
+    autoPatchelfHook
+  ];
+
+  buildInputs = [
+    stdenv.cc.cc.lib
+    tacent
+    xorg.libX11
+    xorg.libxcb
+    zenity
+  ];
+
+  runtimeDependencies = [ libGL ];
+
+  cmakeFlags = [
+    (lib.cmakeFeature "FETCHCONTENT_SOURCE_DIR_TACENT" "${tacent.src}")
+    (lib.cmakeBool "PACKAGE_NIX" true)
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    installBin tacentview
+
+    mkdir -p $out/share/tacentview
+    cp -r ../Assets $out/share/tacentview/
+    cp -r ../Linux/deb_template/usr/share/icons $out/share
+    cp -r ../Linux/deb_template/usr/share/applications $out/share
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Image and texture viewer";
+    homepage = "https://github.com/bluescan/tacentview";
+    changelog = "https://github.com/bluescan/tacentview/releases/tag/v${finalAttrs.version}";
+    license = lib.licenses.isc;
+    maintainers = with lib.maintainers; [ PopeRigby ];
+    mainProgram = "tacentview";
+    platforms = with lib.platforms; linux ++ windows;
+  };
+})