Index: head/sysutils/Makefile
===================================================================
--- head/sysutils/Makefile
+++ head/sysutils/Makefile
@@ -1258,6 +1258,7 @@
     SUBDIR += zetaback
     SUBDIR += zfs-periodic
     SUBDIR += zfs-replicate
+    SUBDIR += zfs-snap-diff
     SUBDIR += zfs-snapshot-clean
     SUBDIR += zfs-snapshot-mgmt
     SUBDIR += zfs-stats
Index: head/sysutils/zfs-snap-diff/Makefile
===================================================================
--- head/sysutils/zfs-snap-diff/Makefile
+++ head/sysutils/zfs-snap-diff/Makefile
@@ -0,0 +1,29 @@
+# $FreeBSD$
+
+PORTNAME=	zfs-snap-diff
+PORTVERSION=	0.0.9
+CATEGORIES=	sysutils
+
+MAINTAINER=	ben.lavery@hashbang0.com
+COMMENT=	View ZFS snapshot differences via a web browser
+
+LICENSE=	APACHE20 MIT
+LICENSE_COMB=	multi
+LICENSE_FILE_APACHE20=	${WRKSRC}/src/github.com/sergi/go-diff/LICENSE.txt
+LICENSE_FILE_MIT=	${WRKSRC}/src/github.com/j-keck/${PORTNAME}/LICENSE
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	j-keck:DEFAULT \
+		sergi:go_diff
+GH_PROJECT=	go-diff:go_diff
+GH_TAGNAME=	f7fcaad:go_diff
+GH_SUBDIR=	src/github.com/j-keck/zfs-snap-diff \
+		src/github.com/sergi/go-diff:go_diff
+
+USES=		go
+
+PLIST_FILES=	bin/zfs-snap-diff
+
+STRIP=		# stripping can break go binaries
+
+.include <bsd.port.mk>
Index: head/sysutils/zfs-snap-diff/distinfo
===================================================================
--- head/sysutils/zfs-snap-diff/distinfo
+++ head/sysutils/zfs-snap-diff/distinfo
@@ -0,0 +1,5 @@
+TIMESTAMP = 1477939831
+SHA256 (j-keck-zfs-snap-diff-0.0.9_GH0.tar.gz) = 4c836f1bb8e18e3ff891e83cd65bde4ab956e5621cf861fb127b865efbf0267f
+SIZE (j-keck-zfs-snap-diff-0.0.9_GH0.tar.gz) = 1407591
+SHA256 (sergi-go-diff-f7fcaad_GH0.tar.gz) = 408b47b66a03a0409e4f9ffea743c429bbb65644a4c290e4087a7f92d86b9d48
+SIZE (sergi-go-diff-f7fcaad_GH0.tar.gz) = 40236
Index: head/sysutils/zfs-snap-diff/pkg-descr
===================================================================
--- head/sysutils/zfs-snap-diff/pkg-descr
+++ head/sysutils/zfs-snap-diff/pkg-descr
@@ -0,0 +1,8 @@
+With zfs-snap-diff you can explore file differences and restore changes from 
+older file versions in different zfs snapshots. You can restore the whole file 
+from an older version, or select single changes to revert in the 'diff' view.
+
+zfs-snap-diff has a web frontend, so it can run on your local work machine or 
+on your remote file / backup server (no Xserver necessary).
+
+WWW: https://github.com/j-keck/zfs-snap-diff