diff --git a/devel/libyang/Makefile b/devel/libyang/Makefile
index 79b47457..7f83b946 100644
--- a/devel/libyang/Makefile
+++ b/devel/libyang/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD: head/net/libyang/Makefile 507372 2019-07-26 20:46:53Z gerald $
 
 PORTNAME=	libyang
-PORTVERSION=	2.0.194
+PORTVERSION=	2.1.128
 DISTVERSIONPREFIX=	v
 #DISTVERSIONSUFFIX=	-r4
 CATEGORIES=	net
diff --git a/devel/libyang/distinfo b/devel/libyang/distinfo
index 309fe799..4d218ff8 100644
--- a/devel/libyang/distinfo
+++ b/devel/libyang/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1663937671
-SHA256 (CESNET-libyang-v2.0.194_GH0.tar.gz) = 94898ee391c238dcd29ff21092e5dcab4e17b9623e88862a55b72fc6168846f8
-SIZE (CESNET-libyang-v2.0.194_GH0.tar.gz) = 1150705
+TIMESTAMP = 1756384882
+SHA256 (CESNET-libyang-v2.1.128_GH0.tar.gz) = 19a5fe2742ccd68cc90bd7b28736d518ebea4241e798fa49a01b5e6f8a79928e
+SIZE (CESNET-libyang-v2.1.128_GH0.tar.gz) = 1262102
diff --git a/devel/libyang/files/patch-x-CMakeLists.txt b/devel/libyang/files/patch-x-CMakeLists.txt
index 26d1eed7..640d90ee 100644
--- a/devel/libyang/files/patch-x-CMakeLists.txt
+++ b/devel/libyang/files/patch-x-CMakeLists.txt
@@ -1,15 +1,9 @@
---- ./CMakeLists.txt.orig	2022-09-23 14:54:58.761570000 +0200
-+++ ./CMakeLists.txt	2022-09-23 14:55:42.829418000 +0200
-@@ -62,12 +62,12 @@
- set(LIBYANG_MAJOR_VERSION 2)
- set(LIBYANG_MINOR_VERSION 0)
- set(LIBYANG_MICRO_VERSION 194)
--set(LIBYANG_VERSION ${LIBYANG_MAJOR_VERSION}.${LIBYANG_MINOR_VERSION}.${LIBYANG_MICRO_VERSION})
-+set(LIBYANG_VERSION ${LIBYANG_MAJOR_VERSION}.${LIBYANG_MINOR_VERSION}.${LIBYANG_MICRO_VERSION})
- # set version of the library
+--- ./CMakeLists.txt.orig	2023-10-11 09:55:04.000000000 +0200
++++ ./CMakeLists.txt	2025-08-28 14:42:36.295074000 +0200
+@@ -67,7 +67,7 @@
  set(LIBYANG_MAJOR_SOVERSION 2)
- set(LIBYANG_MINOR_SOVERSION 20)
- set(LIBYANG_MICRO_SOVERSION 15)
+ set(LIBYANG_MINOR_SOVERSION 41)
+ set(LIBYANG_MICRO_SOVERSION 0)
 -set(LIBYANG_SOVERSION_FULL ${LIBYANG_MAJOR_SOVERSION}.${LIBYANG_MINOR_SOVERSION}.${LIBYANG_MICRO_SOVERSION})
 +set(LIBYANG_SOVERSION_FULL ${LIBYANG_MAJOR_SOVERSION})
  set(LIBYANG_SOVERSION ${LIBYANG_MAJOR_SOVERSION})
diff --git a/devel/libyang/files/patch-x-CMakeModules-UseCompat.cmake b/devel/libyang/files/patch-x-CMakeModules-UseCompat.cmake
deleted file mode 100644
index c9d097b4..00000000
--- a/devel/libyang/files/patch-x-CMakeModules-UseCompat.cmake
+++ /dev/null
@@ -1,11 +0,0 @@
---- ./CMakeModules/UseCompat.cmake.orig	2022-05-06 08:57:14.000000000 +0200
-+++ ./CMakeModules/UseCompat.cmake	2022-09-23 14:54:58.764665000 +0200
-@@ -49,7 +49,7 @@
- 
-     include(CheckStructHasMember)
-     check_struct_has_member("struct tm" tm_gmtoff time.h HAVE_TM_GMTOFF)
--    check_symbol_exists(timezone time.h HAVE_TIME_H_TIMEZONE)
-+#    check_symbol_exists(timezone time.h HAVE_TIME_H_TIMEZONE)
- 
-     check_symbol_exists(realpath "stdlib.h" HAVE_REALPATH)
-     check_symbol_exists(localtime_r "time.h" HAVE_LOCALTIME_R)
diff --git a/devel/libyang/pkg-plist b/devel/libyang/pkg-plist
index 81545cd6..f17a50f3 100644
--- a/devel/libyang/pkg-plist
+++ b/devel/libyang/pkg-plist
@@ -3,14 +3,14 @@ bin/yangre
 include/libyang/config.h
 include/libyang/context.h
 include/libyang/dict.h
+include/libyang/hash_table.h
 include/libyang/in.h
 include/libyang/libyang.h
 include/libyang/log.h
+include/libyang/metadata.h
 include/libyang/out.h
 include/libyang/parser_data.h
 include/libyang/parser_schema.h
-include/libyang/plugins_exts_compile.h
-include/libyang/plugins_exts_print.h
 include/libyang/plugins_exts.h
 include/libyang/plugins_types.h
 include/libyang/plugins.h
@@ -27,4 +27,15 @@ lib/libyang.so.2
 lib/pkgconfig/libyang.pc
 man/man1/yanglint.1.gz
 man/man1/yangre.1.gz
+share/yang/modules/libyang/ietf-datastores@2018-02-14.yang
+share/yang/modules/libyang/ietf-inet-types@2013-07-15.yang
+share/yang/modules/libyang/ietf-yang-library@2019-01-04.yang
+share/yang/modules/libyang/ietf-yang-metadata@2016-08-05.yang
+share/yang/modules/libyang/ietf-yang-schema-mount@2019-01-14.yang
+share/yang/modules/libyang/ietf-yang-structure-ext@2020-06-17.yang
+share/yang/modules/libyang/ietf-yang-types@2013-07-15.yang
+share/yang/modules/libyang/yang@2022-06-16.yang
 @dir include/libyang
+@dir share/yang/modules/libyang
+@dir share/yang/modules
+@dir share/yang
diff --git a/devel/protobuf-c/Makefile b/devel/protobuf-c/Makefile
new file mode 100644
index 00000000..35bd5a4b
--- /dev/null
+++ b/devel/protobuf-c/Makefile
@@ -0,0 +1,27 @@
+# Created by: Aaron Hurt <ahurt@anbcs.com>
+# $FreeBSD: head/devel/protobuf-c/Makefile 487272 2018-12-12 01:35:33Z gerald $
+
+PORTNAME=		protobuf-c
+PORTVERSION=		1.5.1
+DISTVERSIONPREFIX=	v
+CATEGORIES=		devel
+
+MAINTAINER=	truckman@FreeBSD.org
+COMMENT=	Code generator and libraries to use Protocol Buffers from pure C
+
+LIB_DEPENDS=	libprotobuf.so:devel/protobuf
+
+USES=		autoreconf compiler:c++11-lang gmake
+GNU_CONFIGURE=	yes
+USE_GITHUB=	yes
+USE_LDCONFIG=	yes
+
+CONFIGURE_ARGS+= --with-pkgconfigdir=${PREFIX}/lib/pkgconfig
+
+CPPFLAGS+=	-I${LOCALBASE}/include
+LDFLAGS+=	-L${LOCALBASE}/lib
+
+ALL_TARGET=	all
+INSTALL_TARGET=	install-strip
+
+.include <bsd.port.mk>
diff --git a/devel/protobuf-c/distinfo b/devel/protobuf-c/distinfo
new file mode 100644
index 00000000..b7a65572
--- /dev/null
+++ b/devel/protobuf-c/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1756383064
+SHA256 (protobuf-c-protobuf-c-v1.5.1_GH0.tar.gz) = f3046f94ef6f85cf4311f6c4c51e2095c381ce7bb7fd4f90ea8d9cd99fca3c04
+SIZE (protobuf-c-protobuf-c-v1.5.1_GH0.tar.gz) = 137938
diff --git a/devel/protobuf-c/pkg-descr b/devel/protobuf-c/pkg-descr
new file mode 100644
index 00000000..a3235a10
--- /dev/null
+++ b/devel/protobuf-c/pkg-descr
@@ -0,0 +1,5 @@
+This package provides a code generator and runtime libraries to use
+Protocol Buffers from pure C (not C++).
+It uses a modified version of protoc called protoc-c.
+
+WWW: https://github.com/protobuf-c/protobuf-c
diff --git a/devel/protobuf-c/pkg-plist b/devel/protobuf-c/pkg-plist
new file mode 100644
index 00000000..78eb9404
--- /dev/null
+++ b/devel/protobuf-c/pkg-plist
@@ -0,0 +1,13 @@
+bin/protoc-c
+bin/protoc-gen-c
+include/google/protobuf-c/protobuf-c.h
+include/protobuf-c/protobuf-c.h
+include/protobuf-c/protobuf-c.proto
+lib/libprotobuf-c.a
+lib/libprotobuf-c.la
+lib/libprotobuf-c.so
+lib/libprotobuf-c.so.1
+lib/pkgconfig/libprotobuf-c.pc
+@dir include/google/protobuf-c
+@dir include/google
+@dir include/protobuf-c
diff --git a/devel/protobuf/Makefile b/devel/protobuf/Makefile
new file mode 100644
index 00000000..8040f5ae
--- /dev/null
+++ b/devel/protobuf/Makefile
@@ -0,0 +1,42 @@
+# Created by: vanilla
+# $FreeBSD: head/devel/protobuf/Makefile 497411 2019-03-31 13:41:02Z sunpoet $
+
+PORTNAME=	protobuf
+PORTVERSION=	3.21.12
+CATEGORIES=	devel
+MASTER_SITES=	https://github.com/protocolbuffers/protobuf/releases/download/v${PORTVERSION:R:E}.${PORTVERSION:E}/
+DISTVERSIONPREFIX=	cpp-
+
+
+MAINTAINER=	sunpoet@FreeBSD.org
+COMMENT=	Data interchange format library
+
+BROKEN_sparc64=	fails to compile: no atomic ops available
+
+#GH_ACCOUNT=	protocolbuffers
+#USE_GITHUB=	yes
+WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
+
+USES=		autoreconf libtool compiler:c++11-lang gmake pkgconfig
+
+CFLAGS+=	-D_THREAD_SAFE -DGOOGLE_PROTOBUF_NO_RTTI -I${WRKSRC}/src
+CONFIGURE_ENV=	CC_FOR_BUILD="${CC}"
+CONFIGURE_ENV+=	CFLAGS_FOR_BUILD="${CFLAGS}"
+CONFIGURE_ENV+=	CPPFLAGS_FOR_BUILD="${CPPFLAGS}"
+CONFIGURE_ENV+=	CXX_FOR_BUILD="${CXX}"
+CONFIGURE_ENV+=	CXXFLAGS_FOR_BUILD="${CXXFLAGS}"
+CONFIGURE_ENV+=	LDFLAGS_FOR_BUILD="${LDFLAGS}"
+GNU_CONFIGURE=	yes
+INSTALL_TARGET=	install-strip
+
+TEST_ARGS=	${MAKE_ARGS} ${_MAKE_JOBS}
+TEST_TARGET=	check
+
+USE_CXXSTD=	c++11
+USE_LDCONFIG=	yes
+
+post-patch:
+	@${REINPLACE_CMD} -e 's|^check-local:|disabled-&|' ${WRKSRC}/Makefile.am
+	@${REINPLACE_CMD} -Ee '/gtest|mock/ s|[^ ]*lib(.*)\.la|-l\1|' ${WRKSRC}/src/Makefile.am
+
+.include <bsd.port.mk>
diff --git a/devel/protobuf/distinfo b/devel/protobuf/distinfo
new file mode 100644
index 00000000..50e5a5ce
--- /dev/null
+++ b/devel/protobuf/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1685100153
+SHA256 (protobuf-cpp-3.21.12.tar.gz) = 4eab9b524aa5913c6fffb20b2a8abf5ef7f95a80bc0701f3a6dbb4c607f73460
+SIZE (protobuf-cpp-3.21.12.tar.gz) = 4842303
diff --git a/devel/protobuf/files/patch-i386 b/devel/protobuf/files/patch-i386
new file mode 100644
index 00000000..56efb9d8
--- /dev/null
+++ b/devel/protobuf/files/patch-i386
@@ -0,0 +1,13 @@
+Obtained from:	https://cgit.freebsd.org/ports/commit/?id=c212fb9fcceacf49ac4f236c7944aaec5d3cfa57
+
+--- src/google/protobuf/arena_impl.h.orig	2022-09-29 19:05:00 UTC
++++ src/google/protobuf/arena_impl.h
+@@ -640,7 +640,7 @@ class PROTOBUF_EXPORT ThreadSafeArena {
+ #ifdef _MSC_VER
+ #pragma warning(disable : 4324)
+ #endif
+-  struct alignas(kCacheAlignment) CacheAlignedLifecycleIdGenerator {
++  struct alignas(alignof(std::atomic<LifecycleIdAtomic>)) CacheAlignedLifecycleIdGenerator {
+     std::atomic<LifecycleIdAtomic> id;
+   };
+   static CacheAlignedLifecycleIdGenerator lifecycle_id_generator_;
diff --git a/devel/protobuf/pkg-descr b/devel/protobuf/pkg-descr
new file mode 100644
index 00000000..b14a5698
--- /dev/null
+++ b/devel/protobuf/pkg-descr
@@ -0,0 +1,5 @@
+Protocol Buffers are a way of encoding structured data in an efficient yet
+extensible format. Google uses Protocol Buffers for almost all of its internal
+RPC protocols and file formats.
+
+WWW: https://github.com/protocolbuffers/protobuf
diff --git a/devel/protobuf/pkg-plist b/devel/protobuf/pkg-plist
new file mode 100644
index 00000000..dfbb4d71
--- /dev/null
+++ b/devel/protobuf/pkg-plist
@@ -0,0 +1,157 @@
+bin/protoc
+include/google/protobuf/any.h
+include/google/protobuf/any.pb.h
+include/google/protobuf/any.proto
+include/google/protobuf/api.pb.h
+include/google/protobuf/api.proto
+include/google/protobuf/arena_impl.h
+include/google/protobuf/arena.h
+include/google/protobuf/arenastring.h
+include/google/protobuf/arenaz_sampler.h
+include/google/protobuf/compiler/code_generator.h
+include/google/protobuf/compiler/command_line_interface.h
+include/google/protobuf/compiler/cpp/cpp_generator.h
+include/google/protobuf/compiler/cpp/file.h
+include/google/protobuf/compiler/cpp/generator.h
+include/google/protobuf/compiler/cpp/helpers.h
+include/google/protobuf/compiler/cpp/names.h
+include/google/protobuf/compiler/csharp/csharp_doc_comment.h
+include/google/protobuf/compiler/csharp/csharp_generator.h
+include/google/protobuf/compiler/csharp/csharp_names.h
+include/google/protobuf/compiler/csharp/csharp_options.h
+include/google/protobuf/compiler/importer.h
+include/google/protobuf/compiler/java/generator.h
+include/google/protobuf/compiler/java/java_generator.h
+include/google/protobuf/compiler/java/kotlin_generator.h
+include/google/protobuf/compiler/java/names.h
+include/google/protobuf/compiler/objectivec/objectivec_generator.h
+include/google/protobuf/compiler/objectivec/objectivec_helpers.h
+include/google/protobuf/compiler/parser.h
+include/google/protobuf/compiler/php/php_generator.h
+include/google/protobuf/compiler/plugin.h
+include/google/protobuf/compiler/plugin.pb.h
+include/google/protobuf/compiler/plugin.proto
+include/google/protobuf/compiler/python/generator.h
+include/google/protobuf/compiler/python/pyi_generator.h
+include/google/protobuf/compiler/python/python_generator.h
+include/google/protobuf/compiler/ruby/ruby_generator.h
+include/google/protobuf/descriptor_database.h
+include/google/protobuf/descriptor.h
+include/google/protobuf/descriptor.pb.h
+include/google/protobuf/descriptor.proto
+include/google/protobuf/duration.pb.h
+include/google/protobuf/duration.proto
+include/google/protobuf/dynamic_message.h
+include/google/protobuf/empty.pb.h
+include/google/protobuf/empty.proto
+include/google/protobuf/endian.h
+include/google/protobuf/explicitly_constructed.h
+include/google/protobuf/extension_set_inl.h
+include/google/protobuf/extension_set.h
+include/google/protobuf/field_access_listener.h
+include/google/protobuf/field_mask.pb.h
+include/google/protobuf/field_mask.proto
+include/google/protobuf/generated_enum_reflection.h
+include/google/protobuf/generated_enum_util.h
+include/google/protobuf/generated_message_bases.h
+include/google/protobuf/generated_message_reflection.h
+include/google/protobuf/generated_message_tctable_decl.h
+include/google/protobuf/generated_message_tctable_impl.h
+include/google/protobuf/generated_message_util.h
+include/google/protobuf/has_bits.h
+include/google/protobuf/implicit_weak_message.h
+include/google/protobuf/inlined_string_field.h
+include/google/protobuf/io/coded_stream.h
+include/google/protobuf/io/gzip_stream.h
+include/google/protobuf/io/io_win32.h
+include/google/protobuf/io/printer.h
+include/google/protobuf/io/strtod.h
+include/google/protobuf/io/tokenizer.h
+include/google/protobuf/io/zero_copy_stream_impl_lite.h
+include/google/protobuf/io/zero_copy_stream_impl.h
+include/google/protobuf/io/zero_copy_stream.h
+include/google/protobuf/map_entry_lite.h
+include/google/protobuf/map_entry.h
+include/google/protobuf/map_field_inl.h
+include/google/protobuf/map_field_lite.h
+include/google/protobuf/map_field.h
+include/google/protobuf/map_type_handler.h
+include/google/protobuf/map.h
+include/google/protobuf/message_lite.h
+include/google/protobuf/message.h
+include/google/protobuf/metadata_lite.h
+include/google/protobuf/metadata.h
+include/google/protobuf/parse_context.h
+include/google/protobuf/port_def.inc
+include/google/protobuf/port_undef.inc
+include/google/protobuf/port.h
+include/google/protobuf/reflection_internal.h
+include/google/protobuf/reflection_ops.h
+include/google/protobuf/reflection.h
+include/google/protobuf/repeated_field.h
+include/google/protobuf/repeated_ptr_field.h
+include/google/protobuf/service.h
+include/google/protobuf/source_context.pb.h
+include/google/protobuf/source_context.proto
+include/google/protobuf/struct.pb.h
+include/google/protobuf/struct.proto
+include/google/protobuf/stubs/bytestream.h
+include/google/protobuf/stubs/callback.h
+include/google/protobuf/stubs/casts.h
+include/google/protobuf/stubs/common.h
+include/google/protobuf/stubs/hash.h
+include/google/protobuf/stubs/logging.h
+include/google/protobuf/stubs/macros.h
+include/google/protobuf/stubs/map_util.h
+include/google/protobuf/stubs/mutex.h
+include/google/protobuf/stubs/once.h
+include/google/protobuf/stubs/platform_macros.h
+include/google/protobuf/stubs/port.h
+include/google/protobuf/stubs/status.h
+include/google/protobuf/stubs/stl_util.h
+include/google/protobuf/stubs/stringpiece.h
+include/google/protobuf/stubs/strutil.h
+include/google/protobuf/stubs/template_util.h
+include/google/protobuf/text_format.h
+include/google/protobuf/timestamp.pb.h
+include/google/protobuf/timestamp.proto
+include/google/protobuf/type.pb.h
+include/google/protobuf/type.proto
+include/google/protobuf/unknown_field_set.h
+include/google/protobuf/util/delimited_message_util.h
+include/google/protobuf/util/field_comparator.h
+include/google/protobuf/util/field_mask_util.h
+include/google/protobuf/util/json_util.h
+include/google/protobuf/util/message_differencer.h
+include/google/protobuf/util/time_util.h
+include/google/protobuf/util/type_resolver_util.h
+include/google/protobuf/util/type_resolver.h
+include/google/protobuf/wire_format_lite.h
+include/google/protobuf/wire_format.h
+include/google/protobuf/wrappers.pb.h
+include/google/protobuf/wrappers.proto
+lib/libprotobuf-lite.a
+lib/libprotobuf-lite.so
+lib/libprotobuf-lite.so.32
+lib/libprotobuf.a
+lib/libprotobuf.so
+lib/libprotobuf.so.32
+lib/libprotoc.a
+lib/libprotoc.so
+lib/libprotoc.so.32
+lib/pkgconfig/protobuf-lite.pc
+lib/pkgconfig/protobuf.pc
+@dir include/google/protobuf/compiler/cpp
+@dir include/google/protobuf/compiler/csharp
+@dir include/google/protobuf/compiler/java
+@dir include/google/protobuf/compiler/objectivec
+@dir include/google/protobuf/compiler/php
+@dir include/google/protobuf/compiler/python
+@dir include/google/protobuf/compiler/ruby
+@dir include/google/protobuf/compiler
+@dir include/google/protobuf/io
+@dir include/google/protobuf/stubs
+@dir include/google/protobuf/util
+@dir include/google/protobuf
+@dir include/google
+@dir lib/pkgconfig