diff --git a/lib/maintainers.nix b/lib/maintainers.nix
index 707770cdc820..a95b60a1b57e 100644
--- a/lib/maintainers.nix
+++ b/lib/maintainers.nix
@@ -575,6 +575,7 @@
   thammers = "Tobias Hammerschmidt <jawr@gmx.de>";
   the-kenny = "Moritz Ulrich <moritz@tarn-vedra.de>";
   theuni = "Christian Theune <ct@flyingcircus.io>";
+  ThomasMader = "Thomas Mader <thomas.mader@gmail.com>";
   thoughtpolice = "Austin Seipp <aseipp@pobox.com>";
   timbertson = "Tim Cuthbertson <tim@gfxmonk.net>";
   titanous = "Jonathan Rudenberg <jonathan@titanous.com>";
diff --git a/pkgs/development/compilers/dmd/default.nix b/pkgs/development/compilers/dmd/default.nix
index a7f710520d4d..e18391ba8968 100644
--- a/pkgs/development/compilers/dmd/default.nix
+++ b/pkgs/development/compilers/dmd/default.nix
@@ -158,6 +158,7 @@ stdenv.mkDerivation rec {
     # Everything is now Boost licensed, even the backend.
     # https://github.com/dlang/dmd/pull/6680
     license = licenses.boost;
+    maintainers = with maintainers; [ ThomasMader ];
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/compilers/ldc/default.nix b/pkgs/development/compilers/ldc/default.nix
new file mode 100644
index 000000000000..22d2923897cd
--- /dev/null
+++ b/pkgs/development/compilers/ldc/default.nix
@@ -0,0 +1,98 @@
+{ stdenv, fetchFromGitHub, cmake, llvm, dmd, curl, tzdata, python,
+  lit, gdb, unzip, darwin }:
+
+stdenv.mkDerivation rec {
+  name = "ldc-${version}";
+  version = "1.3.0";
+
+  srcs = [
+  (fetchFromGitHub {
+    owner = "ldc-developers";
+    repo = "ldc";
+    rev = "v${version}";
+    sha256 = "1ac3j4cwwgjpayhijxx4d6478bc3iqksjxkd7xp7byx7k8w1ppdl";
+  })
+  (fetchFromGitHub {
+    owner = "ldc-developers";
+    repo = "druntime";
+    rev = "ldc-v${version}";
+    sha256 = "1m13370wnj3sizqk3sdpzi9am5d24srf27d613qblhqa9n8vwz30";
+  })
+  (fetchFromGitHub {
+    owner = "ldc-developers";
+    repo = "phobos";
+    rev = "ldc-v${version}";
+    sha256 = "0fhcdfi7a00plwj27ysfyv783nhk0kspq7hawf6vbsl3s1nyvn8g";
+  })
+  (fetchFromGitHub {
+    owner = "ldc-developers";
+    repo = "dmd-testsuite";
+    rev = "ldc-v${version}";
+    sha256 = "0dmdkp220gqhxjrmrjfkf0vsvylwfaj70hswavq4q3v4dg17pzmj";
+  })
+  ];
+
+  sourceRoot = ".";
+
+  postUnpack = ''
+      mv ldc-v${version}-src/* .
+
+      mv druntime-ldc-v${version}-src/* runtime/druntime
+
+      mv phobos-ldc-v${version}-src/* runtime/phobos
+
+      mv dmd-testsuite-ldc-v${version}-src/* tests/d2/dmd-testsuite
+
+      # Remove cppa test for now because it doesn't work.
+      rm tests/d2/dmd-testsuite/runnable/cppa.d
+      rm tests/d2/dmd-testsuite/runnable/extra-files/cppb.cpp
+  '';
+
+  postPatch = ''
+      substituteInPlace runtime/phobos/std/net/curl.d \
+          --replace libcurl.so ${curl.out}/lib/libcurl.so
+
+      # Ugly hack to fix the hardcoded path to zoneinfo in the source file.
+      # https://issues.dlang.org/show_bug.cgi?id=15391
+      substituteInPlace runtime/phobos/std/datetime.d \
+          --replace /usr/share/zoneinfo/ ${tzdata}/share/zoneinfo/
+  ''
+
+  + stdenv.lib.optionalString stdenv.hostPlatform.isDarwin ''
+      substituteInPlace driver/tool.cpp \
+          --replace "gcc" "clang"
+  '';
+
+  nativeBuildInputs = [ cmake llvm dmd python lit gdb unzip ]
+
+  ++ stdenv.lib.optional stdenv.hostPlatform.isDarwin (with darwin.apple_sdk.frameworks; [
+    Foundation
+  ]);
+
+  buildInputs = [ curl tzdata stdenv.cc ];
+
+  preConfigure = ''
+    cmakeFlagsArray=("-DINCLUDE_INSTALL_DIR=$out/include/dlang/ldc")
+  '';
+
+  postConfigure = ''
+    export DMD=$PWD/bin/ldc2
+  '';
+
+  makeFlags = [ "DMD=$DMD" ];
+
+  doCheck = true;
+
+  checkPhase = ''
+      ctest -j $NIX_BUILD_CORES -V DMD=$DMD
+  '';
+
+  meta = with stdenv.lib; {
+    description = "The LLVM-based D compiler";
+    homepage = https://github.com/ldc-developers/ldc;
+    # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
+    license = with licenses; [ bsd3 boost mit ncsa gpl2Plus ];
+    maintainers = with maintainers; [ ThomasMader ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/development/tools/dtools/default.nix b/pkgs/development/tools/dtools/default.nix
index 28d0c57f2e3b..4d93eda24df7 100644
--- a/pkgs/development/tools/dtools/default.nix
+++ b/pkgs/development/tools/dtools/default.nix
@@ -45,10 +45,11 @@ stdenv.mkDerivation rec {
     }
 	'';
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Ancillary tools for the D programming language compiler";
     homepage = https://github.com/dlang/tools;
     license = lib.licenses.boost;
+    maintainers = with maintainers; [ ThomasMader ];
     platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 885faf457fea..720a96df7d99 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2784,6 +2784,8 @@ with pkgs;
 
   kytea = callPackage ../tools/text/kytea { };
 
+  ldc = callPackage ../development/compilers/ldc { };
+
   lbreakout2 = callPackage ../games/lbreakout2 { };
 
   leocad = callPackage ../applications/graphics/leocad { };