diff --git a/pkgs/desktops/gnome-3/core/yelp-xsl/default.nix b/pkgs/desktops/gnome-3/core/yelp-xsl/default.nix
index b02c7039e51d..d4b6561c0ded 100644
--- a/pkgs/desktops/gnome-3/core/yelp-xsl/default.nix
+++ b/pkgs/desktops/gnome-3/core/yelp-xsl/default.nix
@@ -38,7 +38,15 @@ stdenv.mkDerivation rec {
     homepage = "https://wiki.gnome.org/Apps/Yelp";
     description = "Yelp's universal stylesheets for Mallard and DocBook";
     maintainers = teams.gnome.members;
-    license = [licenses.gpl2 licenses.lgpl2];
-    platforms = platforms.linux;
+    license = with licenses; [
+      # See https://gitlab.gnome.org/GNOME/yelp-xsl/blob/master/COPYING
+      # Stylesheets
+      lgpl2Plus
+      # Icons, unclear: https://gitlab.gnome.org/GNOME/yelp-xsl/issues/25
+      gpl2
+      # highlight.js
+      bsd3
+    ];
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/libgda/6.x.nix b/pkgs/development/libraries/libgda/6.x.nix
new file mode 100644
index 000000000000..fc24fe41c4d3
--- /dev/null
+++ b/pkgs/development/libraries/libgda/6.x.nix
@@ -0,0 +1,92 @@
+{ lib
+, stdenv
+, fetchurl
+, pkg-config
+, intltool
+, meson
+, ninja
+, itstool
+, libxml2
+, python3
+, gtk3
+, json-glib
+, isocodes
+, openssl
+, gnome3
+, gobject-introspection
+, vala
+, libgee
+, sqlite
+, gtk-doc
+, yelp-tools
+, mysqlSupport ? false
+, libmysqlclient ? null
+, postgresSupport ? false
+, postgresql ? null
+}:
+
+assert mysqlSupport -> libmysqlclient != null;
+assert postgresSupport -> postgresql != null;
+
+stdenv.mkDerivation rec {
+  pname = "libgda";
+  version = "6.0.0";
+
+  src = fetchurl {
+    url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
+    sha256 = "0w564z7krgjk19r39mi5qn4kggpdg9ggbyn9pb4aavb61r14npwr";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+    intltool
+    meson
+    ninja
+    itstool
+    libxml2
+    python3
+    gobject-introspection
+    vala
+    gtk-doc
+    yelp-tools
+  ];
+
+  buildInputs = [
+    gtk3
+    json-glib
+    isocodes
+    openssl
+    libgee
+    sqlite
+  ] ++ lib.optionals mysqlSupport [
+    libmysqlclient
+  ] ++ lib.optionals postgresSupport [
+    postgresql
+  ];
+
+  postPatch = ''
+    patchShebangs \
+      providers/raw_spec.py \
+      providers/mysql/gen_bin.py
+  '';
+
+  passthru = {
+    updateScript = gnome3.updateScript {
+      packageName = pname;
+      attrPath = "libgda6";
+    };
+  };
+
+  meta = with lib; {
+    description = "Database access library";
+    homepage = "https://www.gnome-db.org/";
+    license = with licenses; [
+      # library
+      lgpl2Plus
+      # CLI tools
+      gpl2Plus
+    ];
+    maintainers = teams.gnome.members;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/development/libraries/libgda/default.nix b/pkgs/development/libraries/libgda/default.nix
index 73e71de4aac6..307cc14a6efe 100644
--- a/pkgs/development/libraries/libgda/default.nix
+++ b/pkgs/development/libraries/libgda/default.nix
@@ -1,7 +1,27 @@
-{ lib, stdenv, fetchurl, pkg-config, intltool, itstool, libxml2, gtk3, openssl, gnome3, gobject-introspection, vala, libgee
-, overrideCC, gcc6, fetchpatch, autoreconfHook, gtk-doc, autoconf-archive, yelp-tools
-, mysqlSupport ? false, libmysqlclient ? null
-, postgresSupport ? false, postgresql ? null
+{ lib
+, stdenv
+, fetchurl
+, pkg-config
+, intltool
+, itstool
+, libxml2
+, gtk3
+, openssl
+, gnome3
+, gobject-introspection
+, vala
+, libgee
+, overrideCC
+, gcc6
+, fetchpatch
+, autoreconfHook
+, gtk-doc
+, autoconf-archive
+, yelp-tools
+, mysqlSupport ? false
+, libmysqlclient ? null
+, postgresSupport ? false
+, postgresql ? null
 }:
 
 assert mysqlSupport -> libmysqlclient != null;
@@ -24,7 +44,30 @@ assert postgresSupport -> postgresql != null;
     })
   ];
 
-  configureFlags = with lib; [
+  nativeBuildInputs = [
+    pkg-config
+    intltool
+    itstool
+    libxml2
+    gobject-introspection
+    vala
+    autoreconfHook
+    gtk-doc
+    autoconf-archive
+    yelp-tools
+  ];
+
+  buildInputs = [
+    gtk3
+    openssl
+    libgee
+  ] ++ lib.optionals mysqlSupport [
+    libmysqlclient
+  ] ++ lib.optionals postgresSupport [
+    postgresql
+  ];
+
+  configureFlags = [
     "--with-mysql=${if mysqlSupport then "yes" else "no"}"
     "--with-postgres=${if postgresSupport then "yes" else "no"}"
 
@@ -40,11 +83,6 @@ assert postgresSupport -> postgresql != null;
 
   hardeningDisable = [ "format" ];
 
-  nativeBuildInputs = [ pkg-config intltool itstool libxml2 gobject-introspection vala autoreconfHook gtk-doc autoconf-archive yelp-tools ];
-  buildInputs = with lib; [ gtk3 openssl libgee ]
-    ++ optional (mysqlSupport) libmysqlclient
-    ++ optional (postgresSupport) postgresql;
-
   passthru = {
     updateScript = gnome3.updateScript {
       packageName = pname;
@@ -54,8 +92,13 @@ assert postgresSupport -> postgresql != null;
   meta = with lib; {
     description = "Database access library";
     homepage = "https://www.gnome-db.org/";
-    license = [ licenses.lgpl2 licenses.gpl2 ];
+    license = with licenses; [
+      # library
+      lgpl2Plus
+      # CLI tools
+      gpl2Plus
+    ];
     maintainers = teams.gnome.members;
-    platforms = platforms.linux ++ platforms.darwin;
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/misc/yelp-tools/default.nix b/pkgs/development/misc/yelp-tools/default.nix
index 9d5eb2af4968..bf348d68041a 100644
--- a/pkgs/development/misc/yelp-tools/default.nix
+++ b/pkgs/development/misc/yelp-tools/default.nix
@@ -1,4 +1,12 @@
-{ lib, stdenv, fetchurl, libxml2, libxslt, itstool, gnome3, pkg-config }:
+{ lib
+, stdenv
+, fetchurl
+, libxml2
+, libxslt
+, itstool
+, gnome3
+, pkg-config
+}:
 
 stdenv.mkDerivation rec {
   pname = "yelp-tools";
@@ -9,22 +17,30 @@ stdenv.mkDerivation rec {
     sha256 = "1c045c794sm83rrjan67jmsk20qacrw1m814p4nw85w5xsry8z30";
   };
 
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  buildInputs = [
+    libxml2
+    libxslt
+    itstool
+    gnome3.yelp-xsl
+  ];
+
+  doCheck = true;
+
   passthru = {
     updateScript = gnome3.updateScript {
       packageName = pname;
     };
   };
 
-  nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ libxml2 libxslt itstool gnome3.yelp-xsl ];
-
-  doCheck = true;
-
   meta = with lib; {
     homepage = "https://wiki.gnome.org/Apps/Yelp/Tools";
     description = "Small programs that help you create, edit, manage, and publish your Mallard or DocBook documentation";
-    maintainers = with maintainers; [ domenkozar ];
-    license = licenses.gpl2;
-    platforms = platforms.linux;
+    maintainers = teams.gnome.members ++ (with maintainers; [ domenkozar ]);
+    license = licenses.gpl2Plus;
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index da158ca84f77..b92a34f5f7b1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -14753,6 +14753,8 @@ in
 
   libgda = callPackage ../development/libraries/libgda { };
 
+  libgda6 = callPackage ../development/libraries/libgda/6.x.nix { };
+
   libgdamm = callPackage ../development/libraries/libgdamm { };
 
   libgdata = callPackage ../development/libraries/libgdata { };