diff --git a/pkgs/applications/misc/omegat.nix b/pkgs/applications/misc/omegat.nix
new file mode 100644
index 000000000000..e6a6be88b6c0
--- /dev/null
+++ b/pkgs/applications/misc/omegat.nix
@@ -0,0 +1,40 @@
+{ stdenv, fetchurl, unzip, jdk, makeWrapper}:
+
+stdenv.mkDerivation rec {
+  version = "4.1.5.2";
+  name = "omegat";
+
+  src = fetchurl {  # their zip has repeated files or something, so no fetchzip
+    url = mirror://sourceforge/project/omegat/OmegaT%20-%20Latest/OmegaT%204.1.5%20update%202/OmegaT_4.1.5_02_Beta_Without_JRE.zip;
+    sha256 = "1mdnsvjgsccpd5xwpqzgva5jjp8yd1akq9aqpild4v6k70lqql2b";
+  };
+
+  buildInputs = [ unzip makeWrapper ];
+
+  unpackCmd = "unzip -o $curSrc";  # tries to go interactive without -o
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp -r lib docs images plugins scripts *.txt *.html OmegaT.jar $out/
+
+    cat > $out/bin/omegat <<EOF
+    #! $SHELL -e
+    CLASSPATH="$out/lib"
+    exec ${jdk}/bin/java -jar -Xmx1024M $out/OmegaT.jar "\$@"
+    EOF
+    chmod +x $out/bin/omegat
+  '';
+
+  meta = with stdenv.lib; {
+    description = "The free computer aided translation (CAT) tool for professionals";
+    longDescription = ''
+      OmegaT is a free and open source multiplatform Computer Assisted Translation
+      tool with fuzzy matching, translation memory, keyword search, glossaries, and
+      translation leveraging into updated projects.
+    '';
+    homepage = http://www.omegat.org/;
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ t184256 ];
+    platforms = [ "i686-linux" "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f1a04e636997..36e6bc1a3b0c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -18021,6 +18021,8 @@ with pkgs;
 
   ogmtools = callPackage ../applications/video/ogmtools { };
 
+  omegat = callPackage ../applications/misc/omegat.nix { };
+
   omxplayer = callPackage ../applications/video/omxplayer { };
 
   openbox = callPackage ../applications/window-managers/openbox { };