diff --git a/mail/rcube-html5-notifier/Makefile b/mail/rcube-html5-notifier/Makefile
new file mode 100644
index 00000000000..c81c3cd9905
--- /dev/null
+++ b/mail/rcube-html5-notifier/Makefile
@@ -0,0 +1,31 @@
+# $OpenBSD: Makefile,v 1.1.1.1 2020/03/03 22:14:30 sthen Exp $
+
+COMMENT=	roundcube plugin: add HTML5 notifications for new mail
+
+GH_ACCOUNT=	stremlau
+GH_PROJECT=	html5_notifier
+GH_TAGNAME=	v0.6.4
+PKGNAME=	rcube-${DISTNAME}
+CATEGORIES=	mail www
+
+# ISC
+PERMIT_PACKAGE=	Yes
+
+NO_BUILD=	Yes
+NO_TEST=	Yes
+PKG_ARCH=	*
+
+PREFIX=		${VARBASE}/www
+INSTDIR=	${PREFIX}/roundcubemail/plugins
+TINSTDIR=	${TRUEPREFIX}/roundcubemail/plugins
+SUBST_VARS=	INSTDIR TINSTDIR
+
+MODULES=	lang/php
+RUN_DEPENDS=	mail/roundcubemail>=1.1
+
+do-install:
+	${INSTALL_DATA_DIR} ${INSTDIR}/html5_notifier
+	cp -Rp ${WRKDIST}/* ${INSTDIR}/html5_notifier
+	chown -R ${SHAREOWN}:${SHAREGRP} ${INSTDIR}
+
+.include <bsd.port.mk>
diff --git a/mail/rcube-html5-notifier/distinfo b/mail/rcube-html5-notifier/distinfo
new file mode 100644
index 00000000000..2afc5b0b6d4
--- /dev/null
+++ b/mail/rcube-html5-notifier/distinfo
@@ -0,0 +1,2 @@
+SHA256 (html5_notifier-0.6.4.tar.gz) = UsM1Mpp+EcP2fIIk3LijUm/5dIGtR6ZOhGrx/pyb3fA=
+SIZE (html5_notifier-0.6.4.tar.gz) = 20494
diff --git a/mail/rcube-html5-notifier/pkg/DESCR b/mail/rcube-html5-notifier/pkg/DESCR
new file mode 100644
index 00000000000..043337bbdc7
--- /dev/null
+++ b/mail/rcube-html5-notifier/pkg/DESCR
@@ -0,0 +1,3 @@
+HTML5_Notifier is a Roundcube plugin that displays desktop notifications
+in modern browsers. Just keep Roundcube opened in a (minimized) tab and
+enjoy getting notifications every time a new mail arrives.
diff --git a/mail/rcube-html5-notifier/pkg/PLIST b/mail/rcube-html5-notifier/pkg/PLIST
new file mode 100644
index 00000000000..4b0764d6856
--- /dev/null
+++ b/mail/rcube-html5-notifier/pkg/PLIST
@@ -0,0 +1,28 @@
+@comment $OpenBSD: PLIST,v 1.1.1.1 2020/03/03 22:14:30 sthen Exp $
+roundcubemail/plugins/html5_notifier/
+roundcubemail/plugins/html5_notifier/LICENSE
+roundcubemail/plugins/html5_notifier/README.md
+roundcubemail/plugins/html5_notifier/changelog.txt
+roundcubemail/plugins/html5_notifier/composer.json
+roundcubemail/plugins/html5_notifier/config/
+roundcubemail/plugins/html5_notifier/config/config.inc.php.dist
+@sample roundcubemail/plugins/html5_notifier/config/config.inc.php
+roundcubemail/plugins/html5_notifier/html5_notifier.js
+roundcubemail/plugins/html5_notifier/html5_notifier.php
+roundcubemail/plugins/html5_notifier/images/
+roundcubemail/plugins/html5_notifier/images/new_mail.png
+roundcubemail/plugins/html5_notifier/localization/
+roundcubemail/plugins/html5_notifier/localization/cs_CZ.inc
+roundcubemail/plugins/html5_notifier/localization/de_DE.inc
+roundcubemail/plugins/html5_notifier/localization/en_US.inc
+roundcubemail/plugins/html5_notifier/localization/es_ES.inc
+roundcubemail/plugins/html5_notifier/localization/fr_FR.inc
+roundcubemail/plugins/html5_notifier/localization/it_IT.inc
+roundcubemail/plugins/html5_notifier/localization/ja_JP.inc
+roundcubemail/plugins/html5_notifier/localization/nl_NL.inc
+roundcubemail/plugins/html5_notifier/localization/pl_PL.inc
+roundcubemail/plugins/html5_notifier/localization/pt_BR.inc
+roundcubemail/plugins/html5_notifier/localization/ru_RU.inc
+roundcubemail/plugins/html5_notifier/localization/sk_SK.inc
+roundcubemail/plugins/html5_notifier/localization/zh_CN.inc
+roundcubemail/plugins/html5_notifier/screenshot.png