diff --git a/multimedia/opentimelineio/Makefile b/multimedia/opentimelineio/Makefile
new file mode 100644
index 00000000000..1eb101fda3b
--- /dev/null
+++ b/multimedia/opentimelineio/Makefile
@@ -0,0 +1,33 @@
+COMMENT =	editorial timeline API and interchange format
+
+V =		0.17.0
+DISTNAME =	opentimelineio-${V}
+
+DIST_TUPLE +=	github AcademySoftwareFoundation OpenTimelineIO v${V} .
+
+SHARED_LIBS +=	opentime                  0.0 # 0.0
+SHARED_LIBS +=	opentimelineio            0.0 # 0.0
+
+CATEGORIES =	multimedia
+
+HOMEPAGE =	https://opentimeline.io/
+
+# Apache-2.0
+PERMIT_PACKAGE =	Yes
+
+WANTLIB += ${COMPILER_LIBCXX} Imath-3_1 m
+
+# C++17
+COMPILER =		base-clang ports-gcc
+
+MODULES =		devel/cmake
+
+BUILD_DEPENDS =		textproc/rapidjson
+LIB_DEPENDS =		math/imath
+
+CONFIGURE_ARGS =	-DOTIO_FIND_IMATH=ON \
+			-DOTIO_DEPENDENCIES_INSTALL=OFF
+
+WRKDIST =		${WRKDIR}/OpenTimelineIO-${V}
+
+.include <bsd.port.mk>
diff --git a/multimedia/opentimelineio/distinfo b/multimedia/opentimelineio/distinfo
new file mode 100644
index 00000000000..ef35b75ee5e
--- /dev/null
+++ b/multimedia/opentimelineio/distinfo
@@ -0,0 +1,2 @@
+SHA256 (AcademySoftwareFoundation-OpenTimelineIO-v0.17.0.tar.gz) = zfgoHGCRoYpBRylbZg4TthCm1YkZp5YIvwPlNZwcLSQ=
+SIZE (AcademySoftwareFoundation-OpenTimelineIO-v0.17.0.tar.gz) = 2340862
diff --git a/multimedia/opentimelineio/patches/patch-src_opentime_CMakeLists_txt b/multimedia/opentimelineio/patches/patch-src_opentime_CMakeLists_txt
new file mode 100644
index 00000000000..9cafa82e3eb
--- /dev/null
+++ b/multimedia/opentimelineio/patches/patch-src_opentime_CMakeLists_txt
@@ -0,0 +1,14 @@
+Index: src/opentime/CMakeLists.txt
+--- src/opentime/CMakeLists.txt.orig
++++ src/opentime/CMakeLists.txt
+@@ -22,7 +22,9 @@ set_target_properties(opentime PROPERTIES 
+     DEBUG_POSTFIX "${OTIO_DEBUG_POSTFIX}"
+     LIBRARY_OUTPUT_NAME "opentime"
+     POSITION_INDEPENDENT_CODE TRUE
+-    WINDOWS_EXPORT_ALL_SYMBOLS true)
++    WINDOWS_EXPORT_ALL_SYMBOLS true
++    VERSION ${OTIO_VERSION_MAJOR}.${OTIO_VERSION_MINOR}
++    SOVERSION ${OTIO_VERSION_MAJOR})
+ 
+ if(APPLE)
+     set_target_properties(opentime PROPERTIES 
diff --git a/multimedia/opentimelineio/patches/patch-src_opentimelineio_CMakeLists_txt b/multimedia/opentimelineio/patches/patch-src_opentimelineio_CMakeLists_txt
new file mode 100644
index 00000000000..4ed0e9cd327
--- /dev/null
+++ b/multimedia/opentimelineio/patches/patch-src_opentimelineio_CMakeLists_txt
@@ -0,0 +1,14 @@
+Index: src/opentimelineio/CMakeLists.txt
+--- src/opentimelineio/CMakeLists.txt.orig
++++ src/opentimelineio/CMakeLists.txt
+@@ -91,7 +91,9 @@ set_target_properties(opentimelineio PROPERTIES
+     DEBUG_POSTFIX "${OTIO_DEBUG_POSTFIX}"
+     LIBRARY_OUTPUT_NAME "opentimelineio"
+     POSITION_INDEPENDENT_CODE TRUE
+-    WINDOWS_EXPORT_ALL_SYMBOLS true)
++    WINDOWS_EXPORT_ALL_SYMBOLS true
++    VERSION ${OTIO_VERSION_MAJOR}.${OTIO_VERSION_MINOR}
++    SOVERSION ${OTIO_VERSION_MAJOR})
+ 
+ if(APPLE)
+     set_target_properties(opentimelineio PROPERTIES 
diff --git a/multimedia/opentimelineio/pkg/DESCR b/multimedia/opentimelineio/pkg/DESCR
new file mode 100644
index 00000000000..4e0d972032b
--- /dev/null
+++ b/multimedia/opentimelineio/pkg/DESCR
@@ -0,0 +1,3 @@
+OpenTimelineIO is an interchange format and API for editorial cut information.
+OTIO contains information about the order and length of cuts and references to
+external media. It is not however, a container format for media.
diff --git a/multimedia/opentimelineio/pkg/PLIST b/multimedia/opentimelineio/pkg/PLIST
new file mode 100644
index 00000000000..41c8af7de9d
--- /dev/null
+++ b/multimedia/opentimelineio/pkg/PLIST
@@ -0,0 +1,53 @@
+include/opentime/
+include/opentime/errorStatus.h
+include/opentime/rationalTime.h
+include/opentime/stringPrintf.h
+include/opentime/timeRange.h
+include/opentime/timeTransform.h
+include/opentime/version.h
+include/opentimelineio/
+include/opentimelineio/anyDictionary.h
+include/opentimelineio/anyVector.h
+include/opentimelineio/clip.h
+include/opentimelineio/composable.h
+include/opentimelineio/composition.h
+include/opentimelineio/deserialization.h
+include/opentimelineio/editAlgorithm.h
+include/opentimelineio/effect.h
+include/opentimelineio/errorStatus.h
+include/opentimelineio/externalReference.h
+include/opentimelineio/freezeFrame.h
+include/opentimelineio/gap.h
+include/opentimelineio/generatorReference.h
+include/opentimelineio/imageSequenceReference.h
+include/opentimelineio/item.h
+include/opentimelineio/linearTimeWarp.h
+include/opentimelineio/marker.h
+include/opentimelineio/mediaReference.h
+include/opentimelineio/missingReference.h
+include/opentimelineio/safely_typed_any.h
+include/opentimelineio/serializableCollection.h
+include/opentimelineio/serializableObject.h
+include/opentimelineio/serializableObjectWithMetadata.h
+include/opentimelineio/serialization.h
+include/opentimelineio/stack.h
+include/opentimelineio/stackAlgorithm.h
+include/opentimelineio/timeEffect.h
+include/opentimelineio/timeline.h
+include/opentimelineio/track.h
+include/opentimelineio/trackAlgorithm.h
+include/opentimelineio/transition.h
+include/opentimelineio/typeRegistry.h
+include/opentimelineio/unknownSchema.h
+include/opentimelineio/vectorIndexing.h
+include/opentimelineio/version.h
+@lib lib/libopentime.so.${LIBopentime_VERSION}
+@lib lib/libopentimelineio.so.${LIBopentimelineio_VERSION}
+share/opentime/
+share/opentime/OpenTimeConfig.cmake
+share/opentime/OpenTimeTargets${MODCMAKE_BUILD_SUFFIX}
+share/opentime/OpenTimeTargets.cmake
+share/opentimelineio/
+share/opentimelineio/OpenTimelineIOConfig.cmake
+share/opentimelineio/OpenTimelineIOTargets${MODCMAKE_BUILD_SUFFIX}
+share/opentimelineio/OpenTimelineIOTargets.cmake