diff --git a/pkgs/applications/science/electronics/lepton-eda/default.nix b/pkgs/applications/science/electronics/lepton-eda/default.nix
new file mode 100644
index 000000000000..060909bdcb40
--- /dev/null
+++ b/pkgs/applications/science/electronics/lepton-eda/default.nix
@@ -0,0 +1,61 @@
+{ stdenv
+, lib
+, pkg-config
+, makeWrapper
+, texinfo
+, fetchurl
+, autoreconfHook
+, guile
+, flex
+, gtk2
+, glib
+, gtkextra
+, gettext
+, gawk
+, shared-mime-info
+, groff
+, libstroke
+}:
+
+stdenv.mkDerivation rec {
+  pname = "lepton-eda";
+  version = "1.9.13-20201211";
+
+  src = fetchurl {
+    url = "https://github.com/lepton-eda/lepton-eda/releases/download/${version}/lepton-eda-${builtins.head (lib.splitString "-" version)}.tar.gz";
+    sha256 = "sha256-9Be3FBWnZU2M5aNQwi3N8M81e0S7n46mwWQh1mrK4Z8=";
+  };
+
+  nativeBuildInputs = [ pkg-config makeWrapper texinfo autoreconfHook ];
+
+  propagatedBuildInputs = [ guile flex gtk2 glib gtkextra gettext gawk shared-mime-info groff libstroke ];
+
+  configureFlags = [
+    "--disable-update-xdg-database"
+  ];
+
+  CFLAGS = [
+    "-DSCM_DEBUG_TYPING_STRICTNESS=2"
+  ];
+
+  postInstall = ''
+    libs="${lib.makeLibraryPath propagatedBuildInputs}"
+    for program in $out/bin/*; do
+      wrapProgram "$program" \
+        --prefix LD_LIBRARY_PATH : "$libs" \
+        --prefix LTDL_LIBRARY_PATH : "$out/lib"
+    done
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/lepton-eda";
+    description = "Lepton Electronic Design Automation";
+    longDescription = ''
+      Lepton EDA is a suite of free software tools for designing electronics.
+      It provides schematic capture, netlisting into over 30 netlist formats, and many other features.
+    '';
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ tesq0 ];
+  };
+}
diff --git a/pkgs/development/libraries/gtkextra/default.nix b/pkgs/development/libraries/gtkextra/default.nix
new file mode 100644
index 000000000000..4c2f739cd965
--- /dev/null
+++ b/pkgs/development/libraries/gtkextra/default.nix
@@ -0,0 +1,42 @@
+{ stdenv
+, lib
+, fetchurl
+, pkg-config
+, gobject-introspection
+, file
+, gtk2
+, glib
+, cairo
+, atk
+, pango
+, libtiff
+, libpng
+, libjpeg
+}:
+
+stdenv.mkDerivation rec {
+  pname = "gtkextra";
+  version = "3.3.4";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/project/gtkextra/${lib.versions.majorMinor version}/${pname}-${version}.tar.gz";
+    sha256 = "1mpihbyzhv3ymfim93l9xnxmzhwyqdba5xb4rdn5vggdg25766v5";
+  };
+
+  postPatch = ''
+    substituteInPlace configure \
+      --replace "/usr/bin/file" "${file}/bin/file"
+  '';
+
+  nativeBuildInputs = [ gobject-introspection pkg-config ];
+
+  buildInputs = [ gtk2 glib cairo atk pango libtiff libpng libjpeg ];
+
+  meta = with lib; {
+    homepage = "http://gtkextra.sourceforge.net/";
+    description = "GtkExtra is a useful set of widgets for creating GUI's for GTK+.";
+    license = licenses.lgpl2Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ tesq0 ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 542d52c7033f..f9170d8447df 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2994,6 +2994,8 @@ in
 
   lepton = callPackage ../tools/graphics/lepton { };
 
+  lepton-eda = callPackage ../applications/science/electronics/lepton-eda { };
+
   lexicon = callPackage ../tools/admin/lexicon { };
 
   lief = callPackage ../development/libraries/lief {
@@ -15849,6 +15851,8 @@ in
     gdktarget = "x11";
   };
 
+  gtkextra = callPackage ../development/libraries/gtkextra { };
+
   gtk3 = callPackage ../development/libraries/gtk/3.x.nix {
     inherit (darwin.apple_sdk.frameworks) AppKit Cocoa;
   };