diff --git a/pkgs/development/libraries/openwsman/default.nix b/pkgs/development/libraries/openwsman/default.nix
index b179ca8803c1..df2c23266c50 100644
--- a/pkgs/development/libraries/openwsman/default.nix
+++ b/pkgs/development/libraries/openwsman/default.nix
@@ -1,16 +1,20 @@
-{ fetchurl, stdenv, autoconf, automake, libtool, pkgconfig, libxml2, curl, cmake, pam, sblim-sfcc }:
+{ stdenv, fetchFromGitHub, cmake, pkgconfig
+, curl, libxml2, pam, sblim-sfcc }:
 
 stdenv.mkDerivation rec {
-  version = "2.6.0";
   name = "openwsman-${version}";
+  version = "2.6.5";
 
-  src = fetchurl {
-    url = "https://github.com/Openwsman/openwsman/archive/v${version}.tar.gz";
-    sha256 = "0gw2dsjxzpchg3s85kplwgp9xhd9l7q4fh37iy7r203pvir4k6s4";
+  src = fetchFromGitHub {
+    owner  = "Openwsman";
+    repo   = "openwsman";
+    rev    = "v${version}";
+    sha256 = "1r0zslgpcr4m20car4s3hsccy10xcb39qhpw3dhpjv42xsvvs5xv";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ autoconf automake libtool libxml2 curl cmake pam sblim-sfcc ];
+  nativeBuildInputs = [ cmake pkgconfig ];
+
+  buildInputs = [ curl libxml2 pam sblim-sfcc ];
 
   cmakeFlags = [
     "-DCMAKE_BUILD_RUBY_GEM=no"
@@ -22,18 +26,13 @@ stdenv.mkDerivation rec {
 
   configureFlags = "--disable-more-warnings";
 
-  meta = {
-    description = "Openwsman server implementation and client api with bindings";
-
-    homepage = https://github.com/Openwsman/openwsman;
-    downloadPage = "https://github.com/Openwsman/openwsman/releases";
-
-    maintainers = [ stdenv.lib.maintainers.deepfire ];
-
-    license = stdenv.lib.licenses.bsd3;
-
-    platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
-
+  meta = with stdenv.lib; {
+    description  = "Openwsman server implementation and client API with bindings";
+    downloadPage = https://github.com/Openwsman/openwsman/releases;
+    homepage     = https://openwsman.github.io;
+    license      = licenses.bsd3;
+    maintainers  = with maintainers; [ deepfire ];
+    platforms    = platforms.unix;
     inherit version;
   };
 }
diff --git a/pkgs/development/libraries/sblim-sfcc/default.nix b/pkgs/development/libraries/sblim-sfcc/default.nix
index 016cc6f0472f..ba0b8f4e996f 100644
--- a/pkgs/development/libraries/sblim-sfcc/default.nix
+++ b/pkgs/development/libraries/sblim-sfcc/default.nix
@@ -1,30 +1,28 @@
-{ fetchgit, stdenv, autoconf, automake, libtool, curl }:
+{ stdenv, fetchFromGitHub, autoreconfHook, curl }:
 
 stdenv.mkDerivation rec {
-  version = "2.2.9";
   name = "sblim-sfcc-${version}";
+  version = "2.2.9"; # this is technically 2.2.9-preview
 
-  src = fetchgit {
-    url = "https://github.com/kkaempf/sblim-sfcc.git";
-    rev = "f70fecb410a53531e4fe99d39cf81b581819cac9";
-    sha256 = "1hsxim284qzldh599gf6khxj80g8q5263xl3lj3hdndxbhbs843v";
+  src = fetchFromGitHub {
+    owner  = "kkaempf";
+    repo   = "sblim-sfcc";
+    rev    = "514a76af2020fd6dc6fc380df76cbe27786a76a2";
+    sha256 = "06c1mskl9ixbf26v88w0lvn6v2xd6n5f0jd5mckqrn9j4vmh70hs";
   };
 
-  preConfigure = "./autoconfiscate.sh";
+  buildInputs = [ curl ];
 
-  buildInputs = [ autoconf automake libtool curl ];
+  nativeBuildInputs = [ autoreconfHook ];
 
-  meta = {
+  enableParallelBuilding = true;
+
+  meta = with stdenv.lib; {
     description = "Small Footprint CIM Client Library";
-
-    homepage = https://sourceforge.net/projects/sblim/;
-
-    maintainers = [ stdenv.lib.maintainers.deepfire ];
-
-    license = stdenv.lib.licenses.cpl10;
-
-    platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
-
+    homepage    = https://sourceforge.net/projects/sblim/;
+    license     = licenses.cpl10;
+    maintainers = with maintainers; [ deepfire ];
+    platforms   = platforms.unix;
     inherit version;
   };
 }
diff --git a/pkgs/tools/system/wsmancli/default.nix b/pkgs/tools/system/wsmancli/default.nix
index bd6ec17ceec1..ca35dae5827c 100644
--- a/pkgs/tools/system/wsmancli/default.nix
+++ b/pkgs/tools/system/wsmancli/default.nix
@@ -1,45 +1,36 @@
-{ fetchurl, stdenv, autoconf, automake, libtool, pkgconfig, openwsman, openssl }:
+{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig
+, openssl, openwsman }:
 
 stdenv.mkDerivation rec {
-  version = "2.6.0";
   name = "wsmancli-${version}";
+  version = "2.6.0";
 
-  src = fetchurl {
-    url = "https://github.com/Openwsman/wsmancli/archive/v${version}.tar.gz";
-    sha256 = "03ay6sa4ii8h6rr3l2qiqqml8xl6gplrlg4v2avdh9y6sihfyvvn";
+  src = fetchFromGitHub {
+    owner  = "Openwsman";
+    repo   = "wsmancli";
+    rev    = "v${version}";
+    sha256 = "0a67fz9lj7xkyfqim6ai9kj7v6hzx94r1bg0g0l5dymgng648b9j";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ autoconf automake libtool openwsman openssl ];
+  nativeBuildInputs = [ autoreconfHook pkgconfig ];
 
-  preConfigure = ''
-    ./bootstrap
+  buildInputs = [ openwsman openssl ];
 
-    configureFlagsArray=(
-      LIBS="-L${openssl.out}/lib -lssl -lcrypto"
-    )
+  postPatch = ''
+    touch AUTHORS NEWS README
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Openwsman command-line client";
-
-    longDescription =
-      '' Openwsman provides a command-line tool, wsman, to perform basic
-         operations on the command-line. These operations include Get, Put,
-         Invoke, Identify, Delete, Create, and Enumerate. The command-line tool
-         also has several switches to allow for optional features of the
-         WS-Management specification and Testing.
-      '';
-
-    homepage = https://github.com/Openwsman/wsmancli;
-    downloadPage = "https://github.com/Openwsman/wsmancli/releases";
-
-    maintainers = [ stdenv.lib.maintainers.deepfire ];
-
-    license = stdenv.lib.licenses.bsd3;
-
-    platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
-
+    longDescription = ''
+      Openwsman provides a command-line tool, wsman, to perform basic
+      operations on the command-line. These operations include Get, Put,
+      Invoke, Identify, Delete, Create, and Enumerate. The command-line tool
+      also has several switches to allow for optional features of the
+      WS-Management specification and Testing.
+    '';
+    downloadPage = https://github.com/Openwsman/wsmancli/releases;
+    inherit (openwsman.meta) homepage license maintainers platforms;
     inherit version;
   };
 }