diff --git a/package/lean/ucl/Makefile b/package/lean/ucl/Makefile
new file mode 100644
index 000000000..97fc23cbb
--- /dev/null
+++ b/package/lean/ucl/Makefile
@@ -0,0 +1,69 @@
+#
+# Copyright (C) 2019-2020 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ucl
+PKG_VERSION:=1.03
+PKG_RELEASE:=3
+
+PKG_MAINTAINER:=Xingwang Liao <kuoruan@gmail.com>
+PKG_LICENSE:=GPL-2.0-only
+PKG_LICENSE_FILES:=COPYING
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=http://www.oberhumer.com/opensource/ucl/download
+PKG_HASH:=b865299ffd45d73412293369c9754b07637680e5c826915f097577cd27350348
+
+PKG_FIXUP:=autoreconf
+PKG_BUILD_PARALLEL:=1
+PKG_INSTALL:=1
+
+HOST_FIXUP:=autoreconf
+HOST_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/host-build.mk
+include $(INCLUDE_DIR)/package.mk
+
+HOST_BUILD_PREFIX:=$(STAGING_DIR_HOST)
+
+HOST_CFLAGS += -std=gnu89
+TARGET_CFLAGS += -std=gnu89
+
+CONFIGURE_ARGS += \
+	--enable-static \
+	--enable-shared \
+	--disable-asm
+
+define Package/libucl
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=Portable lossless data compression library
+  URL:=http://www.oberhumer.com/opensource/ucl/
+endef
+
+define Package/libucl/description
+UCL is a portable lossless data compression library written in ANSI C. UCL
+implements a number of compression algorithms that achieve an excellent
+compression ratio while allowing *very* fast decompression. Decompression
+requires no additional memory.
+endef
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include/ucl
+	$(CP) $(PKG_INSTALL_DIR)/usr/include/ucl/ucl{,conf}.h $(1)/usr/include/ucl/
+
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libucl.{a,so*} $(1)/usr/lib/
+endef
+
+define Package/libucl/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libucl.so.* $(1)/usr/lib/
+endef
+
+$(eval $(call HostBuild))
+$(eval $(call BuildPackage,libucl))
diff --git a/package/lean/ucl/patches/001-autoconf-compat.patch b/package/lean/ucl/patches/001-autoconf-compat.patch
new file mode 100644
index 000000000..7dda83d8e
--- /dev/null
+++ b/package/lean/ucl/patches/001-autoconf-compat.patch
@@ -0,0 +1,11 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -48,7 +48,7 @@ AC_CANONICAL_TARGET
+ AM_MAINTAINER_MODE
+ 
+ if test -z "$ac_abs_top_srcdir"; then
+-    _AC_SRCPATHS(.)
++    _AC_SRCDIRS(.)
+ fi
+ if test -r .Conf.settings1; then
+     . ./.Conf.settings1
diff --git a/package/lean/upx/Makefile b/package/lean/upx/Makefile
new file mode 100644
index 000000000..b58bd8cd2
--- /dev/null
+++ b/package/lean/upx/Makefile
@@ -0,0 +1,66 @@
+#
+# Copyright (C) 2011-2020 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=upx
+PKG_RELEASE:=1
+
+PKG_MAINTAINER:=Xingwang Liao <kuoruan@gmail.com>
+PKG_LICENSE:=GPL-2.0-only
+PKG_LICENSE_FILES:=COPYING LICENSE
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_DATE:=2022-01-15
+PKG_SOURCE_VERSION:=a46b63817a9c6ad5af7cf519332e859f11558592
+PKG_SOURCE_URL:=https://github.com/upx/upx.git
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_DATE).tar.gz
+
+HOST_BUILD_DEPENDS:=ucl/host
+
+include $(INCLUDE_DIR)/host-build.mk
+include $(INCLUDE_DIR)/package.mk
+
+define Host/Compile
+	UPX_UCLDIR=$(STAGING_DIR_HOST) \
+	$(MAKE) -C $(HOST_BUILD_DIR)/src \
+		CXXFLAGS_WERROR="" LDFLAGS="$(HOST_LDFLAGS)" \
+		CXX="$(HOSTCXX)"
+endef
+
+define Host/Install
+	$(CP) $(HOST_BUILD_DIR)/src/upx.out $(STAGING_DIR_HOST)/bin/upx
+endef
+
+define Host/Clean
+	rm -f $(STAGING_DIR_HOST)/bin/upx
+endef
+
+define Package/upx
+  SECTION:=utils
+  CATEGORY:=Utilities
+  DEPENDS:=+libucl +libstdcpp +zlib
+  TITLE:=The Ultimate Packer for eXecutables
+  URL:=https://upx.github.io/
+endef
+
+define Package/upx/description
+UPX is a free, portable, extendable, high-performance executable packer for
+several different executable formats. It achieves an excellent compression ratio
+and offers very fast decompression. Your executables suffer no memory overhead
+or other drawbacks for most of the formats supported, because of in-place
+decompression.
+endef
+
+MAKE_PATH := src
+
+define Package/upx/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/src/upx.out $(1)/usr/bin/upx
+endef
+
+$(eval $(call HostBuild))
+$(eval $(call BuildPackage,upx))