diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 9793aafd94f5..3e9708c8a4a6 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -23382,6 +23382,11 @@
     githubId = 77415970;
     name = "Redhawk";
   };
+  redhood = {
+    name = "Alice Liddell";
+    github = "petalmaya";
+    githubId = 258934709;
+  };
   redianthus = {
     github = "redianthus";
     githubId = 16472988;
diff --git a/pkgs/by-name/se/seamonkey/package.nix b/pkgs/by-name/se/seamonkey/package.nix
new file mode 100644
index 000000000000..114a96b9cce2
--- /dev/null
+++ b/pkgs/by-name/se/seamonkey/package.nix
@@ -0,0 +1,89 @@
+{
+  lib,
+  stdenv,
+  fetchurl,
+  gtk3,
+  gtk2,
+  gdk-pixbuf,
+  dbus-glib,
+  libx11,
+  libxcomposite,
+  libxcursor,
+  libxdamage,
+  libxext,
+  libxi,
+  libxrender,
+  libxt,
+  libpulseaudio,
+  libGL,
+  pango,
+  freetype,
+  fontconfig,
+  autoPatchelfHook,
+  makeWrapper,
+  wrapGAppsHook3,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "seamonkey";
+  version = "2.53.23";
+
+  strictDeps = true;
+  __structuredAttrs = true;
+
+  # Upstream requires highly deprecated build tools to compile from source
+  src = fetchurl {
+    url = "https://archive.seamonkey-project.org/releases/${version}/linux-x86_64/en-US/seamonkey-${version}.en-US.linux-x86_64.tar.bz2";
+    sha256 = "1si5vqprq7hgm366db76yziqxcqdvxj675kgxb6lp2ppprl8rlkw";
+  };
+
+  nativeBuildInputs = [
+    wrapGAppsHook3
+    autoPatchelfHook
+    makeWrapper
+  ];
+
+  buildInputs = [
+    gtk2
+    gtk3
+    gdk-pixbuf
+    dbus-glib
+    libpulseaudio
+    libGL
+    pango
+    freetype
+    fontconfig
+    libxi
+    libxcursor
+    libxdamage
+    libxrender
+    libxcomposite
+    libxext
+    libx11
+    libxt
+  ];
+
+  installPhase = ''
+    mkdir -p $out/lib/seamonkey $out/bin
+    cp -r * $out/lib/seamonkey/
+
+    ln -s $out/lib/seamonkey/seamonkey $out/bin/seamonkey
+
+    wrapProgram $out/bin/seamonkey \
+      --prefix LD_LIBRARY_PATH : "${
+        lib.makeLibraryPath [
+          libpulseaudio
+          libGL
+        ]
+      }"
+  '';
+
+  meta = with lib; {
+    description = "The SeaMonkey project is a community effort to deliver production-quality releases of code names previously known as 'Mozilla Application Suite'";
+    homepage = "https://www.seamonkey-project.org/";
+    license = licenses.mpl20;
+    platforms = [ "x86_64-linux" ];
+    maintainers = [ lib.maintainers.redhood ];
+    mainProgram = "seamonkey";
+  };
+}