diff --git a/pkgs/applications/misc/survex/default.nix b/pkgs/applications/misc/survex/default.nix
new file mode 100644
index 000000000000..f6865f877d7d
--- /dev/null
+++ b/pkgs/applications/misc/survex/default.nix
@@ -0,0 +1,79 @@
+{ lib
+, stdenv
+, fetchgit
+, autoreconfHook
+, pkg-config
+, wxGTK30-gtk3
+, wxmac
+, ffmpeg
+, proj
+, perl532
+, unscii
+, python
+, libGL
+, libGLU
+, xlibsWrapper
+, docbook2x
+, docbook5
+, Carbon
+, Cocoa
+}:
+
+let
+  perlenv = perl532.withPackages (perlPackages: with perlPackages; [ LocalePO ] );
+in
+stdenv.mkDerivation rec {
+  pname = "survex";
+  version = "1.2.44";
+
+  nativeBuildInputs = [ docbook5 docbook2x autoreconfHook pkg-config perlenv python ];
+
+  buildInputs = [
+    libGL libGLU ffmpeg proj
+  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    wxmac Carbon Cocoa
+  ] ++ lib.optionals stdenv.hostPlatform.isLinux [
+    wxGTK30-gtk3 xlibsWrapper
+  ];
+
+  src = fetchgit {
+    url = "git://git.survex.com/survex";
+    rev = version;
+    sha256 = "11gaqmabrf3av665jy3mr0m8hg76fmvnd0g3rghzmyh8d8v6xk34";
+  };
+
+  enableParallelBuilding = true;
+
+  # Docs rely on sgmltools-lite, a package that would be quite complex to
+  # provide as it is quite old. So this preConfigure hook effectively disables
+  # the doc generation. An example of packaging sgmltools-lite from Gentoo can
+  # be found here:
+  # https://gitweb.gentoo.org/repo/gentoo.git/tree/app-text/sgmltools-lite/sgmltools-lite-3.0.3-r15.ebuild?id=0b8b716331049599ea3299981e3a9ea6e258c5e0
+
+  postPatch = ''
+    patchShebangs .
+    echo "" > doc/Makefile.am
+    # substituteInPlace doc/Makefile --replace "docbook2man" "docbook2man --sgml" # Will be needed once sgmltools-lite is packaged.
+    for perltool in './extract-msgs.pl' './gettexttomsg.pl' '$(srcdir)/gdtconvert' '$(srcdir)/gen_img2aven'; do
+      substituteInPlace src/Makefile.am \
+        --replace "$perltool" "${perlenv}/bin/perl $perltool"
+    done
+    substituteInPlace lib/Makefile.am \
+      --replace '$(srcdir)/make-pixel-font' '${perlenv}/bin/perl $(srcdir)/make-pixel-font'
+    substituteInPlace lib/make-pixel-font --replace /usr/share/unifont/unifont.hex ${unscii.extra}/share/fonts/misc/unifont.hex
+  '';
+
+  meta = with lib; {
+    description = "Free Software/Open Source software package for mapping caves";
+    longDescription = ''
+      Survex is a Free Software/Open Source software package for mapping caves,
+      licensed under the GPL. It is designed to be portable and can be run on a
+      variety of platforms, including Linux/Unix, macOS, and Microsoft Windows.
+    '';
+    homepage = "https://survex.com/";
+    changelog = "https://github.com/ojwb/survex/blob/${version}/NEWS";
+    license = licenses.gpl2Plus;
+    maintainers = [ maintainers.matthewcroughan ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/data/fonts/unscii/default.nix b/pkgs/data/fonts/unscii/default.nix
index 066a4d4d9221..6fdeadf3776f 100644
--- a/pkgs/data/fonts/unscii/default.nix
+++ b/pkgs/data/fonts/unscii/default.nix
@@ -2,6 +2,11 @@
 , fontforge, SDL, SDL_image, mkfontscale
 }:
 
+let
+  perlenv = perl.withPackages (p: with p; [
+    TextCharWidth
+  ]);
+in
 stdenv.mkDerivation rec {
   pname = "unscii";
   version = "1.1";
@@ -12,11 +17,23 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs =
-    [ (perl.withPackages (p: [ p.TextCharWidth ]))
+    [ perlenv
       bdftopcf fontforge SDL SDL_image
       mkfontscale
     ];
 
+  # Fixes shebang -> wrapper problem on Darwin
+  postPatch = ''
+    for perltool in *.pl; do
+      substituteInPlace Makefile \
+        --replace "./$perltool" "${perlenv}/bin/perl ./$perltool"
+    done
+  '';
+
+  makeFlags = [
+    "CC=${stdenv.cc.targetPrefix}cc"
+  ];
+
   preConfigure = ''
     patchShebangs .
   '';
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d1a1c14fb6b2..bd885a03b8e7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -26829,6 +26829,10 @@ in
     git = gitMinimal;
   };
 
+  survex = callPackage ../applications/misc/survex {
+    inherit (darwin.apple_sdk.frameworks) Carbon Cocoa;
+  };
+
   sunvox = callPackage ../applications/audio/sunvox { };
 
   svkbd = callPackage ../applications/accessibility/svkbd { };