diff --git a/projects/karchive/Dockerfile b/projects/karchive/Dockerfile
index 828abaed2241..3b70cb5eb551 100644
--- a/projects/karchive/Dockerfile
+++ b/projects/karchive/Dockerfile
@@ -19,10 +19,10 @@ RUN apt-get update && apt-get install --yes cmake make autoconf automake autopoi
 RUN git clone --depth 1 https://github.com/madler/zlib.git
 RUN git clone --depth 1 https://github.com/facebook/zstd.git
 RUN git clone --depth 1 https://github.com/openssl/openssl.git
-RUN git clone --depth 1 https://github.com/nih-at/libzip.git
 RUN wget https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz
 RUN git clone https://github.com/tukaani-project/xz.git
 RUN git clone --depth 1 --branch=dev git://code.qt.io/qt/qtbase.git
+RUN git clone --depth 1 --branch=dev git://code.qt.io/qt/qttools.git
 RUN git clone --depth 1 -b master https://invent.kde.org/frameworks/extra-cmake-modules.git
 RUN git clone --depth 1 -b master https://invent.kde.org/frameworks/karchive.git
 COPY build.sh karchive_fuzzer.cc $SRC/
diff --git a/projects/karchive/build.sh b/projects/karchive/build.sh
index 5e20405419d3..8e2aaafd89fa 100644
--- a/projects/karchive/build.sh
+++ b/projects/karchive/build.sh
@@ -25,11 +25,6 @@ cd $SRC/zlib
 ./configure --static
 make install -j$(nproc)
 
-# Build libzip
-cd $SRC/libzip
-cmake . -DBUILD_SHARED_LIBS=OFF
-make install -j$(nproc)
-
 # Build bzip2
 # Inspired from ../bzip2/build
 cd $SRC
@@ -81,16 +76,20 @@ cd $SRC/qtbase
 cmake --build . --parallel $(nproc)
 cmake --install .
 
+# Build qttools
+cd $SRC/qttools
+cmake . -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX=/usr
+cmake --build . --parallel $(nproc)
+cmake --install .
 
 # Build karchive
-cd $SRC
-cd karchive
+cd $SRC/karchive
 rm -rf poqm
 cmake . -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF
 make install -j$(nproc)
 
 # Build karchive_fuzzer
-$CXX $CXXFLAGS -fPIC -std=c++17 $SRC/karchive_fuzzer.cc -o $OUT/karchive_fuzzer -I /usr/include/QtCore/ -I /usr/local/include/KF6/KArchive -lQt6Core -lm -lQt6BundledPcre2 -ldl -lpthread $LIB_FUZZING_ENGINE /usr/local/lib/libzip.a /usr/local/lib/libz.a -lKF6Archive /usr/local/lib/libbz2.a -llzma /usr/local/lib/libzstd.a /usr/local/lib64/libcrypto.a
+$CXX $CXXFLAGS -fPIC -std=c++17 $SRC/karchive_fuzzer.cc -o $OUT/karchive_fuzzer -I /usr/include/QtCore/ -I /usr/local/include/KF6/KArchive -lQt6Core -lm -lQt6BundledPcre2 -ldl -lpthread $LIB_FUZZING_ENGINE /usr/local/lib/libz.a -lKF6Archive /usr/local/lib/libbz2.a -llzma /usr/local/lib/libzstd.a /usr/local/lib64/libcrypto.a
 
 cd $SRC
 find . -name "*.gz" -o -name "*.zip" -o -name "*.xz" -o -name "*.tar" -o -name "*.7z" | zip -q $OUT/karchive_fuzzer_seed_corpus.zip -@
diff --git a/projects/karchive/karchive_fuzzer.cc b/projects/karchive/karchive_fuzzer.cc
index ccf6763d0c36..319773cbb460 100644
--- a/projects/karchive/karchive_fuzzer.cc
+++ b/projects/karchive/karchive_fuzzer.cc
@@ -69,6 +69,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
     std::unique_ptr<KCompressionDevice> bzipKD(new KCompressionDevice(&b, false, KCompressionDevice::BZip2));
     std::unique_ptr<KCompressionDevice> xzKD(new KCompressionDevice(&b, false, KCompressionDevice::Xz));
     std::unique_ptr<KCompressionDevice> zstdKD(new KCompressionDevice(&b, false, KCompressionDevice::Zstd));
+    std::unique_ptr<KCompressionDevice> lzKD(new KCompressionDevice(&b, false, KCompressionDevice::Lz));
 
     const QVector<KArchive*> handlers = {
         new K7Zip(&b),
@@ -77,6 +78,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
         new KTar(bzipKD.get()),
         new KTar(xzKD.get()),
         new KTar(zstdKD.get()),
+        new KTar(lzKD.get()),
         new KZip(&b),
         new KAr(&b)
     };
diff --git a/projects/karchive/project.yaml b/projects/karchive/project.yaml
index 5e516b5854e0..7b65420467eb 100644
--- a/projects/karchive/project.yaml
+++ b/projects/karchive/project.yaml
@@ -1,4 +1,4 @@
-homepage: https://cgit.kde.org/karchive.git/
+homepage: https://invent.kde.org/frameworks/karchive.git/
 language: c++
 primary_contact: tsdgeos@gmail.com
 sanitizers:
diff --git a/projects/kcodecs/Dockerfile b/projects/kcodecs/Dockerfile
index 65c77e7c1aad..474ce990c5ce 100644
--- a/projects/kcodecs/Dockerfile
+++ b/projects/kcodecs/Dockerfile
@@ -18,6 +18,7 @@ FROM gcr.io/oss-fuzz-base/base-builder
 RUN apt-get update && apt-get install --yes cmake ninja-build
 RUN curl -L http://ftp.gnu.org/pub/gnu/gperf/gperf-3.1.tar.gz -O
 RUN git clone --depth 1 --branch=dev git://code.qt.io/qt/qtbase.git
+RUN git clone --depth 1 --branch=dev git://code.qt.io/qt/qttools.git
 RUN git clone --depth 1 -b master https://invent.kde.org/frameworks/extra-cmake-modules.git
 RUN git clone --depth 1 -b master https://invent.kde.org/frameworks/kcodecs.git
 RUN git clone --depth 1 https://gitlab.freedesktop.org/uchardet/uchardet.git
diff --git a/projects/kcodecs/build.sh b/projects/kcodecs/build.sh
index e6d709977305..b78a3d4cb4bb 100644
--- a/projects/kcodecs/build.sh
+++ b/projects/kcodecs/build.sh
@@ -29,19 +29,21 @@ export CFLAGS="${FUZZ_CFLAGS}"
 export CXXFLAGS="${FUZZ_CXXFLAGS}"
 
 
-cd $SRC
-cd extra-cmake-modules
+cd $SRC/extra-cmake-modules
 cmake -DBUILD_TESTING=OFF .
 make install
 
-cd $SRC
-cd qtbase
+cd $SRC/qtbase
 ./configure -no-glib -qt-libpng -qt-pcre -qt-zlib -opensource -confirm-license -static -no-opengl -no-icu -platform linux-clang-libc++ -debug -prefix /usr -no-feature-gui -no-feature-sql -no-feature-network  -no-feature-xml -no-feature-dbus -no-feature-printsupport
 cmake --build . --parallel $(nproc)
 cmake --install .
 
-cd $SRC
-cd kcodecs
+cd $SRC/qttools
+cmake . -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX=/usr
+cmake --build . --parallel $(nproc)
+cmake --install .
+
+cd $SRC/kcodecs
 rm -rf poqm
 cmake . -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF -DCMAKE_BUILD_TYPE=Debug
 make -j$(nproc) VERBOSE=1
diff --git a/projects/kcodecs/project.yaml b/projects/kcodecs/project.yaml
index 4784eaea28f9..adc26cf3bd98 100644
--- a/projects/kcodecs/project.yaml
+++ b/projects/kcodecs/project.yaml
@@ -1,4 +1,4 @@
-homepage: https://cgit.kde.org/kcodecs.git/
+homepage: https://invent.kde.org/frameworks/kcodecs.git/
 language: c++
 primary_contact: tsdgeos@gmail.com
 sanitizers:
diff --git a/projects/kimageformats/Dockerfile b/projects/kimageformats/Dockerfile
index 844d10d55ee5..5b11e7521b91 100644
--- a/projects/kimageformats/Dockerfile
+++ b/projects/kimageformats/Dockerfile
@@ -18,12 +18,12 @@ FROM gcr.io/oss-fuzz-base/base-builder
 RUN apt-get update && apt-get install --yes cmake make autoconf automake autopoint libtool wget po4a ninja-build pkgconf
 RUN git clone --depth 1 https://github.com/madler/zlib.git
 RUN git clone --depth 1 -b v1.5.7 https://github.com/facebook/zstd.git
-RUN git clone --depth 1 https://github.com/nih-at/libzip.git
 RUN wget https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz
 RUN git clone https://github.com/tukaani-project/xz.git
 RUN git clone --depth 1 --branch=RB-3.3 https://github.com/AcademySoftwareFoundation/openexr.git
 RUN git clone --depth 1 -b master https://invent.kde.org/frameworks/extra-cmake-modules.git
 RUN git clone --depth 1 --branch=dev git://code.qt.io/qt/qtbase.git
+RUN git clone --depth 1 --branch=dev git://code.qt.io/qt/qttools.git
 RUN git clone --depth 1 -b master https://invent.kde.org/frameworks/karchive.git
 RUN git clone --depth 1 -b master https://invent.kde.org/frameworks/kimageformats.git
 RUN git clone --depth 1 -b v3.12.0 https://aomedia.googlesource.com/aom
diff --git a/projects/kimageformats/build.sh b/projects/kimageformats/build.sh
index 2d32afea9240..8c94a642e800 100644
--- a/projects/kimageformats/build.sh
+++ b/projects/kimageformats/build.sh
@@ -16,23 +16,15 @@
 ################################################################################
 
 # build zstd
-cd $SRC
-cd zstd
+cd $SRC/zstd
 cmake -S build/cmake -DBUILD_SHARED_LIBS=OFF
 make install -j$(nproc)
 
 # Build zlib
-cd $SRC
-cd zlib
+cd $SRC/zlib
 ./configure --static
 make install -j$(nproc)
 
-# Build libzip
-cd $SRC
-cd libzip
-cmake . -DBUILD_SHARED_LIBS=OFF
-make install -j$(nproc)
-
 # Build bzip2
 # Inspired from ../bzip2/build
 cd $SRC
@@ -54,40 +46,41 @@ export ORIG_CFLAGS="${CFLAGS}"
 export ORIG_CXXFLAGS="${CXXFLAGS}"
 unset CFLAGS
 unset CXXFLAGS
-cd $SRC
-cd xz
+cd $SRC/xz
 ./autogen.sh --no-po4a --no-doxygen
 ./configure --enable-static --disable-debug --disable-shared --disable-xz --disable-xzdec --disable-lzmainfo
 make install -j$(nproc)
 export CFLAGS="${ORIG_CFLAGS}"
 export CXXFLAGS="${ORIG_CXXFLAGS}"
 
-cd $SRC
-cd qtbase
+# Build qt
+cd $SRC/qtbase
 ./configure -no-glib -qt-libpng -qt-pcre -opensource -confirm-license -static -no-opengl -no-icu -platform linux-clang-libc++ -debug -prefix /usr -no-feature-widgets -no-feature-sql -no-feature-network  -no-feature-xml -no-feature-dbus -no-feature-printsupport
 cmake --build . --parallel $(nproc)
 cmake --install .
 
+# Build qttools
+cd $SRC/qttools
+cmake . -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX=/usr
+cmake --build . --parallel $(nproc)
+cmake --install .
+
 # Build extra-cmake-modules
-cd $SRC
-cd extra-cmake-modules
+cd $SRC/extra-cmake-modules
 cmake . -DBUILD_TESTING=OFF
 make install -j$(nproc)
 
-cd $SRC
-cd karchive
+cd $SRC/karchive
 rm -rf poqm
 cmake . -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF -DCMAKE_INSTALL_PREFIX=/usr/local
 make install -j$(nproc)
 
 # Build JXRlib
-cd $SRC
-cd jxrlib
+cd $SRC/jxrlib
 make -j$(nproc)
 
 # Build LibRaw
-cd $SRC
-cd LibRaw
+cd $SRC/LibRaw
 TMP_CFLAGS=$CFLAGS
 TMP_CXXFLAGS=$CXXFLAGS
 CFLAGS="$CFLAGS -fno-sanitize=function,vptr"
@@ -101,8 +94,7 @@ CXXFLAGS=$TMP_CXXFLAGS
 
 
 # Build aom
-cd $SRC
-cd aom
+cd $SRC/aom
 mkdir build.libavif
 cd build.libavif
 extra_libaom_flags='-DAOM_MAX_ALLOCABLE_MEMORY=536870912 -DDO_RANGE_CHECK_CLAMP=1'
@@ -111,24 +103,21 @@ make -j$(nproc)
 make install -j$(nproc)
 
 # Build libavif
-cd $SRC
+cd $SRC/libavif
 ln -s "$SRC/aom" "$SRC/libavif/ext/"
-cd libavif
 mkdir build
 cd build
 CFLAGS="$CFLAGS -fPIC" cmake -DBUILD_SHARED_LIBS=OFF -DAVIF_ENABLE_WERROR=OFF -DAVIF_CODEC_AOM=LOCAL -DAVIF_LIBYUV=OFF ..
 make -j$(nproc)
 
 # Build libde265
-cd $SRC
-cd libde265
+cd $SRC/libde265
 cmake -DBUILD_SHARED_LIBS=OFF -DDISABLE_SSE=ON .
 make -j$(nproc)
 make install -j$(nproc)
 
 # Build openjpeg
-cd $SRC
-cd openjpeg
+cd $SRC/openjpeg
 mkdir build
 cd build
 cmake -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON -DBUILD_CODEC=OFF ..
@@ -136,13 +125,11 @@ make -j$(nproc)
 make install -j$(nproc)
 
 # build openh264
-cd $SRC
-cd openh264
+cd $SRC/openh264
 make USE_ASM=No BUILDTYPE=Debug install-static -j$(nproc)
 
 # Build openexr
-cd $SRC
-cd openexr
+cd $SRC/openexr
 mkdir _build
 cd _build
 cmake  -DBUILD_SHARED_LIBS=OFF ..
@@ -150,8 +137,7 @@ make -j$(nproc)
 make install -j$(nproc)
 
 # Build libheif
-cd $SRC
-cd libheif
+cd $SRC/libheif
 #Reduce max width and height to avoid allocating too much memory
 sed -i "s/static const int MAX_IMAGE_WIDTH = 32768;/static const int MAX_IMAGE_WIDTH = 8192;/g" libheif/security_limits.h
 sed -i "s/static const int MAX_IMAGE_HEIGHT = 32768;/static const int MAX_IMAGE_HEIGHT = 8192;/g" libheif/security_limits.h
@@ -162,15 +148,13 @@ make -j$(nproc)
 make install -j$(nproc)
 
 # Build libjxl
-cd $SRC
-cd libjxl
+cd $SRC/libjxl
 mkdir build
 cd build
 CXXFLAGS="$CXXFLAGS -DHWY_COMPILE_ONLY_SCALAR" cmake -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF -DJPEGXL_ENABLE_BENCHMARK=OFF -DJPEGXL_ENABLE_DOXYGEN=OFF -DJPEGXL_ENABLE_EXAMPLES=OFF -DJPEGXL_ENABLE_JNI=OFF -DJPEGXL_ENABLE_JPEGLI=OFF -DJPEGXL_ENABLE_JPEGLI_LIBJPEG=OFF -DJPEGXL_ENABLE_MANPAGES=OFF -DJPEGXL_ENABLE_OPENEXR=OFF -DJPEGXL_ENABLE_PLUGINS=OFF -DJPEGXL_ENABLE_SJPEG=OFF -DJPEGXL_ENABLE_SKCMS=ON -DJPEGXL_ENABLE_TCMALLOC=OFF -DJPEGXL_ENABLE_TOOLS=OFF -DJPEGXL_ENABLE_FUZZERS=OFF ..
 make -j$(nproc) jxl jxl_cms jxl_threads
 
-cd $SRC
-cd kimageformats
+cd $SRC/kimageformats
 HANDLER_TYPES="ANIHandler ani
         QAVIFHandler avif
         QDDSHandler dds
@@ -202,7 +186,7 @@ echo "$HANDLER_TYPES" | while read class format; do
   /usr/libexec/moc $SRC/kimageformats/src/imageformats/$format.cpp -o $format.moc
   header=`ls $SRC/kimageformats/src/imageformats/$format*.h`
   /usr/libexec/moc $header -o moc_`basename $header .h`.cpp
-  $CXX $CXXFLAGS -fPIC -DHANDLER=$class -std=c++17 $SRC/kimgio_fuzzer.cc $SRC/kimageformats/src/imageformats/$format.cpp $SRC/kimageformats/src/imageformats/scanlineconverter.cpp $SRC/kimageformats/src/imageformats/microexif.cpp -o $OUT/$fuzz_target_name -DJXL_STATIC_DEFINE -DJXL_THREADS_STATIC_DEFINE -DJXL_CMS_STATIC_DEFINE -DINITGUID -I $SRC/kimageformats/src/imageformats/ -I $SRC/libavif/include/ -I $SRC/libjxl/build/lib/include/ -I $SRC/libjxl/lib/include/ -I /usr/local/include/OpenEXR/ -I /usr/local/include/KF6/KArchive/ -I /usr/local/include/openjpeg-2.5 -I /usr/local/include/Imath -I $SRC/jxrlib/common/include -I $SRC/jxrlib/jxrgluelib -I $SRC/jxrlib/image/sys -I /usr/include/QtCore/ -I /usr/include/QtGui/ -I . $SRC/libavif/build/libavif.a /usr/local/lib/libheif.a /usr/local/lib/libde265.a /usr/local/lib/libopenh264.a $SRC/aom/build.libavif/libaom.a $SRC/libjxl/build/lib/libjxl_threads.a $SRC/libjxl/build/lib/libjxl.a $SRC/libjxl/build/lib/libjxl_cms.a $SRC/libjxl/build/third_party/highway/libhwy.a $SRC/libjxl/build/third_party/brotli/libbrotlidec.a $SRC/libjxl/build/third_party/brotli/libbrotlienc.a $SRC/libjxl/build/third_party/brotli/libbrotlicommon.a -lQt6Gui -lQt6Core -lQt6BundledLibpng -lQt6BundledHarfbuzz -lm -lQt6BundledPcre2 -ldl -lpthread $LIB_FUZZING_ENGINE /usr/local/lib/libzip.a /usr/local/lib/libz.a -lKF6Archive /usr/local/lib/libz.a /usr/local/lib/libraw.a /usr/local/lib/libOpenEXR-3_3.a /usr/local/lib/libIex-3_3.a /usr/local/lib/libImath-3_1.a /usr/local/lib/libIlmThread-3_3.a /usr/local/lib/libOpenEXRCore-3_3.a /usr/local/lib/libOpenEXRUtil-3_3.a /usr/local/lib/libopenjp2.a /usr/local/lib/libzstd.a $SRC/jxrlib/build/libjxrglue.a $SRC/jxrlib/build/libjpegxr.a -llzma /usr/local/lib/libbz2.a -lclang_rt.builtins
+  $CXX $CXXFLAGS -fPIC -DHANDLER=$class -std=c++17 $SRC/kimgio_fuzzer.cc $SRC/kimageformats/src/imageformats/$format.cpp $SRC/kimageformats/src/imageformats/scanlineconverter.cpp $SRC/kimageformats/src/imageformats/microexif.cpp -o $OUT/$fuzz_target_name -DJXL_STATIC_DEFINE -DJXL_THREADS_STATIC_DEFINE -DJXL_CMS_STATIC_DEFINE -DINITGUID -I $SRC/kimageformats/src/imageformats/ -I $SRC/libavif/include/ -I $SRC/libjxl/build/lib/include/ -I $SRC/libjxl/lib/include/ -I /usr/local/include/OpenEXR/ -I /usr/local/include/KF6/KArchive/ -I /usr/local/include/openjpeg-2.5 -I /usr/local/include/Imath -I $SRC/jxrlib/common/include -I $SRC/jxrlib/jxrgluelib -I $SRC/jxrlib/image/sys -I /usr/include/QtCore/ -I /usr/include/QtGui/ -I . $SRC/libavif/build/libavif.a /usr/local/lib/libheif.a /usr/local/lib/libde265.a /usr/local/lib/libopenh264.a $SRC/aom/build.libavif/libaom.a $SRC/libjxl/build/lib/libjxl_threads.a $SRC/libjxl/build/lib/libjxl.a $SRC/libjxl/build/lib/libjxl_cms.a $SRC/libjxl/build/third_party/highway/libhwy.a $SRC/libjxl/build/third_party/brotli/libbrotlidec.a $SRC/libjxl/build/third_party/brotli/libbrotlienc.a $SRC/libjxl/build/third_party/brotli/libbrotlicommon.a -lQt6Gui -lQt6Core -lQt6BundledLibpng -lQt6BundledHarfbuzz -lm -lQt6BundledPcre2 -ldl -lpthread $LIB_FUZZING_ENGINE /usr/local/lib/libz.a -lKF6Archive /usr/local/lib/libz.a /usr/local/lib/libraw.a /usr/local/lib/libOpenEXR-3_3.a /usr/local/lib/libIex-3_3.a /usr/local/lib/libImath-3_1.a /usr/local/lib/libIlmThread-3_3.a /usr/local/lib/libOpenEXRCore-3_3.a /usr/local/lib/libOpenEXRUtil-3_3.a /usr/local/lib/libopenjp2.a /usr/local/lib/libzstd.a $SRC/jxrlib/build/libjxrglue.a $SRC/jxrlib/build/libjpegxr.a -llzma /usr/local/lib/libbz2.a -lclang_rt.builtins
 
   # -lclang_rt.builtins in the previous line is a temporary workaround to avoid a linker error "undefined reference to __truncsfhf2". Investigate why this is needed here, but not anywhere else, and possibly remove it.
 
diff --git a/projects/kimageformats/project.yaml b/projects/kimageformats/project.yaml
index 2eaa50068739..8ba98cffd885 100644
--- a/projects/kimageformats/project.yaml
+++ b/projects/kimageformats/project.yaml
@@ -1,4 +1,4 @@
-homepage: https://cgit.kde.org/kimageformats.git/
+homepage: https://invent.kde.org/frameworks/kimageformats.git/
 language: c++
 primary_contact: tsdgeos@gmail.com
 sanitizers: