diff --git a/pkgs/applications/science/engineering/brmodelo/default.nix b/pkgs/applications/science/engineering/brmodelo/default.nix
new file mode 100644
index 000000000000..c0573ae131d3
--- /dev/null
+++ b/pkgs/applications/science/engineering/brmodelo/default.nix
@@ -0,0 +1,109 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, fetchpatch
+, openjdk8
+, ant
+, makeWrapper
+, makeDesktopItem
+, copyDesktopItems
+}:
+
+stdenv.mkDerivation rec {
+  pname = "brmodelo";
+  version = "3.31";
+
+  src = fetchFromGitHub {
+    owner = "chcandido";
+    repo = pname;
+    rev = version;
+    sha256 = "09qrhqhv264x8phnf3pnb0cwq75l7xdsj9xkwlvhry81nxz0d5v0";
+  };
+
+  nativeBuildInputs = [ ant makeWrapper copyDesktopItems ];
+
+  buildInputs = [ openjdk8 ];
+
+  patches = [
+    # Fixes for building with Ant.
+    # https://github.com/chcandido/brModelo/pull/22
+    (fetchpatch {
+      name = "fix-self-closing-element-not-allowed.patch";
+      url = "https://github.com/yuuyins/brModelo/commit/0d712b74fd5d29d67be07480ed196da28a77893b.patch";
+      sha256 = "sha256-yy03arE6xetotzyvpToi9o9crg3KnMRn1J70jDUvSXE=";
+    })
+    (fetchpatch {
+      name = "fix-tag-closing.patch";
+      url = "https://github.com/yuuyins/brModelo/commit/e8530ff75f024cf6effe0408ed69985405e9709c.patch";
+      sha256 = "sha256-MNuh/ORbaAkB5qDSlA/nPrXN+tqzz4oOglVyEtSangI=";
+    })
+    (fetchpatch {
+      name = "fix-bad-use-greater-than.patch";
+      url = "https://github.com/yuuyins/brModelo/commit/498a6ef8129daff5a472b318f93c8f7f2897fc7f.patch";
+      sha256 = "sha256-MmAwYUmx38DGRsiSxCWCObtpqxk0ykUQiDSC76bCpFc=";
+    })
+    (fetchpatch {
+      name = "fix-param-errors.patch";
+      url = "https://github.com/yuuyins/brModelo/commit/8a508aaba0bcffe13a3f95cff495230beea36bc4.patch";
+      sha256 = "sha256-qME9gZChSMzu1vs9HaosD+snb+jlOrQLY97meNoA8oU=";
+    })
+
+    # Add SVG icons.
+    # https://github.com/chcandido/brModelo/pull/23
+    (fetchpatch {
+      name = "add-brmodelo-logo-icons-svg.patch";
+      url = "https://github.com/yuuyins/brModelo/commit/f260b82b664fad3325bbf3ebd7a15488d496946b.patch";
+      sha256 = "sha256-UhgcWxsHkNFS1GgaRnmlZohjDR8JwHof2cIb3SBetYs=";
+    })
+  ];
+
+  buildPhase = ''
+    ant
+  '';
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "brmodelo";
+      desktopName = "brModelo";
+      genericName = "Entity-relationship diagramming tool";
+      exec = "brmodelo";
+      icon = "brmodelo";
+      comment = meta.description;
+      categories = [ "Development" "Education" "Database" "2DGraphics" "ComputerScience" "DataVisualization" "Engineering" "Java" ];
+    })
+  ];
+
+  installPhase = ''
+    install -d $out/bin $out/share/doc/${pname} $out/share/java
+
+    cp -rv ./dist/javadoc $out/share/doc/${pname}/
+
+    install -Dm755 ./dist/brModelo.jar -t $out/share/java/
+    # NOTE: The standard Java GUI toolkit has a
+    # hard-coded list of "non-reparenting" window managers,
+    # which cause issues while running brModelo
+    # in WMs that are not in that list (e.g. XMonad).
+    # Solution/Workaround: set the environment variable
+    # _JAVA_AWT_WM_NONREPARENTING=1.
+    makeWrapper ${openjdk8}/bin/java $out/bin/brmodelo \
+       --prefix _JAVA_AWT_WM_NONREPARENTING : 1 \
+       --prefix _JAVA_OPTIONS : "-Dawt.useSystemAAFontSettings=on" \
+       --add-flags "-jar $out/share/java/brModelo.jar"
+
+    runHook postInstall
+  '';
+
+  postInstall = ''
+    for size in 16 24 32 48 64 128 256; do
+      install -Dm644 ./src/imagens/icone_"$size"x"$size".svg \
+        $out/share/icons/hicolor/"$size"x"$size"/apps/brmodelo.svg
+    done
+  '';
+
+  meta = with lib; {
+    description = "Entity-relationship diagram tool for making conceptual and logical database models";
+    homepage = "https://github.com/chcandido/brModelo";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ yuu ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 010848c81c37..7fc89d49faa0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -32822,6 +32822,10 @@ with pkgs;
 
   lingeling = callPackage ../applications/science/logic/lingeling {};
 
+  ### SCIENCE / ENGINEERING
+
+  brmodelo = callPackage ../applications/science/engineering/brmodelo { };
+
   ### SCIENCE / ELECTRONICS
 
   adms = callPackage ../applications/science/electronics/adms { };