diff --git a/TODO b/TODO
index 13fe384..0c65af7 100644
--- a/TODO
+++ b/TODO
@@ -17,5 +17,4 @@ trenchbroom
 uade
 xf86-input-xwiimote-git
 xwiimote-git
-zdbsp
-zennode
+zokumbsp
diff --git a/srcpkgs/zennode/patches/ZenMain.diff b/srcpkgs/zennode/patches/ZenMain.diff
new file mode 100644
index 0000000..d676239
--- /dev/null
+++ b/srcpkgs/zennode/patches/ZenMain.diff
@@ -0,0 +1,32 @@
+--- src/ZenNode/ZenMain.cpp.orig	2004-05-30 15:29:42.000000000 -0400
++++ src/ZenNode/ZenMain.cpp	2019-10-28 05:32:10.083695762 -0400
+@@ -39,17 +39,17 @@
+ #include <stdlib.h>
+ #include <string.h>
+ 
+-#if defined ( __OS2__ )
++#if defined ( _OS2 )
+     #include <conio.h>
+     #include <dos.h>
+     #include <io.h>
+     #define INCL_DOS
+     #define INCL_SUB
+     #include <os2.h>
+-#elif defined ( __WIN32__ )
++#elif defined ( _WIN32 )
+     #include <conio.h>
+     #include <io.h>
+-#elif defined ( __LINUX__ )
++#elif defined ( __linux__ )
+     #include <unistd.h>
+ #else
+     #error This platform is not supported
+@@ -101,7 +101,7 @@
+ {
+     FUNCTION_ENTRY ( NULL, "printHelp", true );
+ 
+-    fprintf ( stdout, "Usage: ZenNode {-options} filename[.wad] [level{+level}] {-o|x output[.wad]}\n" );
++    fprintf ( stdout, "Usage: zennode {-options} filename[.wad] [level{+level}] {-o|x output[.wad]}\n" );
+     fprintf ( stdout, "\n" );
+     fprintf ( stdout, "     -x+ turn on option   -x- turn off option  %c = default\n", DEFAULT_CHAR );
+     fprintf ( stdout, "\n" );
diff --git a/srcpkgs/zennode/patches/bspdiff.diff b/srcpkgs/zennode/patches/bspdiff.diff
new file mode 100644
index 0000000..ee12037
--- /dev/null
+++ b/srcpkgs/zennode/patches/bspdiff.diff
@@ -0,0 +1,20 @@
+--- src/ZenNode/bspdiff.cpp.orig	2004-05-28 20:37:36.000000000 -0400
++++ src/ZenNode/bspdiff.cpp	2019-10-28 05:33:26.853574198 -0400
+@@ -104,7 +104,7 @@
+ 
+ void printHelp ()
+ {
+-    fprintf ( stderr, "Usage: nodediff {-options} filename1[.wad] filename2[.wad] [level{+level}]\n" );
++    fprintf ( stderr, "Usage: zenbspdiff {-options} filename1[.wad] filename2[.wad] [level{+level}]\n" );
+     fprintf ( stderr, "\n" );
+     fprintf ( stderr, "     -x+ turn on option   -x- turn off option  %c = default\n", DEFAULT_CHAR );
+     fprintf ( stderr, "\n" );
+@@ -404,7 +404,7 @@
+ 
+ int main ( int argc, const char *argv[] )
+ {
+-    fprintf ( stderr, "Compare Version %s (c) 2003-2004 Marc Rousseau\n\n", VERSION );
++    fprintf ( stderr, "ZenNode Version %s (c) 2003-2004 Marc Rousseau\n\n", VERSION );
+ 
+     if ( argc == 1 ) {
+         printHelp ();
diff --git a/srcpkgs/zennode/patches/bspinfo.diff b/srcpkgs/zennode/patches/bspinfo.diff
new file mode 100644
index 0000000..8c84509
--- /dev/null
+++ b/srcpkgs/zennode/patches/bspinfo.diff
@@ -0,0 +1,20 @@
+--- src/ZenNode/bspinfo.cpp.orig	2004-05-28 17:04:32.000000000 -0400
++++ src/ZenNode/bspinfo.cpp	2019-10-28 05:34:19.497490827 -0400
+@@ -52,7 +52,7 @@
+ DBG_REGISTER ( __FILE__ );
+ 
+ #define VERSION		"1.3"
+-#define BANNER          "BSPInfo Version " VERSION " (c) 1995-2004 Marc Rousseau"
++#define BANNER          "ZenNode Version " VERSION " (c) 1995-2004 Marc Rousseau"
+ #define MAX_LEVELS	99
+ 
+ #if defined ( __GNUC__ ) || defined ( __INTEL_COMPILER )
+@@ -69,7 +69,7 @@
+ 
+ void printHelp ()
+ {
+-    fprintf ( stderr, "Usage: bspInfo [-options] filename[.wad] [level[+level]]\n" );
++    fprintf ( stderr, "Usage: zenbspinfo [-options] filename[.wad] [level[+level]]\n" );
+     fprintf ( stderr, "\n" );
+     fprintf ( stderr, "     -x+ turn on option   -x- turn off option  %c = default\n", DEFAULT_CHAR );
+     fprintf ( stderr, "\n" );
diff --git a/srcpkgs/zennode/patches/compare.diff b/srcpkgs/zennode/patches/compare.diff
new file mode 100644
index 0000000..35a8442
--- /dev/null
+++ b/srcpkgs/zennode/patches/compare.diff
@@ -0,0 +1,20 @@
+--- src/ZenNode/compare.cpp.orig	2004-05-28 17:02:36.000000000 -0400
++++ src/ZenNode/compare.cpp	2019-10-28 05:29:37.123938005 -0400
+@@ -59,7 +59,7 @@
+ DBG_REGISTER ( __FILE__ );
+ 
+ #define VERSION		"1.3"
+-#define BANNER          "compare Version " VERSION " (c) 1996-2004 Marc Rousseau"
++#define BANNER          "zenbspcomp Version " VERSION " (c) 1996-2004 Marc Rousseau"
+ #define MAX_LEVELS	99
+ 
+ #define UNSUPPORTED_FEATURE	-1
+@@ -81,7 +81,7 @@
+ {
+     FUNCTION_ENTRY ( NULL, "printHelp", true );
+ 
+-    fprintf ( stderr, "Usage: compare {-options} filename1[.wad] filename2[.wad] [level{+level}]\n" );
++    fprintf ( stderr, "Usage: zenbspcomp {-options} filename1[.wad] filename2[.wad] [level{+level}]\n" );
+     fprintf ( stderr, "\n" );
+     fprintf ( stderr, "     -x+ turn on option   -x- turn off option  %c = default\n", DEFAULT_CHAR );
+     fprintf ( stderr, "\n" );
diff --git a/srcpkgs/zennode/patches/makefile.diff b/srcpkgs/zennode/patches/makefile.diff
new file mode 100644
index 0000000..832bc83
--- /dev/null
+++ b/srcpkgs/zennode/patches/makefile.diff
@@ -0,0 +1,50 @@
+--- src/ZenNode/makefile.orig	2004-05-28 01:27:38.000000000 -0400
++++ src/ZenNode/makefile	2019-10-28 06:11:34.715211741 -0400
+@@ -1,21 +1,12 @@
+ # ZenNode makefile for Linux
+ 
+-CC       = g++
+-CFLAGS  += -g -O -fstrength-reduce -fno-rtti
++CC       = c++
++CFLAGS  += -fstrength-reduce -fno-rtti
+ CFLAGS  += -fomit-frame-pointer -foptimize-sibling-calls
+-#CFLAGS  += -fbranch-probabilities
+-#CFLAGS  += -fprofile-arcs
+-WARNINGS = -Wall -Wno-format -Wstrict-prototypes -Wmissing-prototypes -Winline
+-#CC       = /opt/intel/compiler60/ia32/bin/icc
+-#CFLAGS   = -g -O3
++WARNINGS = -Wall -Wno-format -Winline
+ INCLUDES = -I../DOOM -I../common
+-TARGETS  = ZenNode bspdiff bspinfo compare
+-
+-CFLAGS  += -D__LINUX__
+-
+-ifdef WIN32
+-CFLAGS  += -D__WIN32__
+-endif
++TARGETS  = zennode zenbspdiff zenbspinfo zenbspcomp
++LIBS    += -lstdc++ -lm
+ 
+ ifdef DEBUG
+ CFLAGS  += -DDEBUG
+@@ -37,16 +28,16 @@
+ clean:
+ 	rm -rf {.,../DOOM/,../common/logger}/{*.o,*~} $(TARGETS)
+ 
+-ZenNode: ZenMain.o ZenNode.o ZenReject.o ZenRMB.o blockmap.o console.o ../DOOM/wad.o ../DOOM/level.o $(LOGGER)
++zennode: ZenMain.o ZenNode.o ZenReject.o ZenRMB.o blockmap.o console.o ../DOOM/wad.o ../DOOM/level.o $(LOGGER)
+ 	$(CC) $(LIBS) -o $@ $^
+ 
+-bspdiff: bspdiff.o console.o ../DOOM/wad.o ../DOOM/level.o $(LOGGER)
++zenbspdiff: bspdiff.o console.o ../DOOM/wad.o ../DOOM/level.o $(LOGGER)
+ 	$(CC) $(LIBS) -o $@ $^
+ 
+-bspinfo: bspinfo.o console.o ../DOOM/wad.o ../DOOM/level.o $(LOGGER)
++zenbspinfo: bspinfo.o console.o ../DOOM/wad.o ../DOOM/level.o $(LOGGER)
+ 	$(CC) $(LIBS) -o $@ $^
+ 
+-compare: compare.o console.o ../DOOM/wad.o ../DOOM/level.o $(LOGGER)
++zenbspcomp: compare.o console.o ../DOOM/wad.o ../DOOM/level.o $(LOGGER)
+ 	$(CC) $(LIBS) -o $@ $^
+ 
+ ZenReject.o: \
diff --git a/srcpkgs/zennode/template b/srcpkgs/zennode/template
new file mode 100644
index 0000000..8b9cbb6
--- /dev/null
+++ b/srcpkgs/zennode/template
@@ -0,0 +1,26 @@
+# Template file for 'zennode'
+pkgname=zennode
+version=1.2.1
+revision=1
+build_style=gnu-makefile
+hostmakedepends="unzip"
+create_wrksrc=yes
+short_desc="A GPL node builder for Doom"
+maintainer="Alison Watson <marrub@greyserv.net>"
+license="GPL-2.0-or-later"
+homepage="http://www.mrousseau.org/programs/ZenNode"
+distfiles="http://www.mrousseau.org/programs/ZenNode/archives/zennode-1.2.1.zip"
+checksum=137b50f9bc6efc69aebca4233bd3924a9ed21260855e6e37ed098486f90bd212
+build_wrksrc=src/ZenNode
+
+post_extract() {
+	cd ZenNode-1.2.1
+	unzip -qd .. zennode-src.zip
+}
+
+do_install() {
+	vinstall ${wrksrc}/${build_wrksrc}/zennode    0755 usr/bin/zennode
+	vinstall ${wrksrc}/${build_wrksrc}/zenbspdiff 0755 usr/bin/zenbspdiff
+	vinstall ${wrksrc}/${build_wrksrc}/zenbspinfo 0755 usr/bin/zenbspinfo
+	vinstall ${wrksrc}/${build_wrksrc}/zenbspcomp 0755 usr/bin/zenbspcomp
+}