diff --git a/ap/mdcat/SlackBuild b/ap/mdcat/SlackBuild
new file mode 100755
index 00000000..310228b9
--- /dev/null
+++ b/ap/mdcat/SlackBuild
@@ -0,0 +1,78 @@
+#!/bin/bash
+
+# variables
+VERSION=${VERSION:-"trunk"}
+BUILD=${BUILD:-1}
+
+TAG=gwh
+TMP=/tmp/$TAG
+CWD=$(pwd)
+
+PRGNAM=$(basename $CWD)
+PKG=$TMP/pkg-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+ARCH=${ARCH:-$(uname -m)}
+
+REPOSITORY=${REPOSITORY:-/home/installs/SlackBuilds/repositories/$PRGNAM}
+PREFIX=${PREFIX:-/usr}
+
+# nettoyage préalable
+rm -fr $PKG $TMP/$PRGNAM-$VERSION
+
+mkdir -p $PKG
+
+# mise en place
+cd $TMP
+[ ! -e $REPOSITORY ] && git clone https://github.com/lunaryorn/mdcat $REPOSITORY
+cd $REPOSITORY
+git pull --all
+
+cp -R $REPOSITORY $TMP/
+cd $TMP/$PRGNAM
+[ "x$VERSION" == "xtrunk" ] && VERSION="git_$(git log -1 --format=%h_%ad --date=format:%Y.%m.%d)" || git checkout $VERSION
+
+cargo build --release
+
+mkdir -p $PKG$PREFIX/bin
+find target/release/ -type f -executable -maxdepth 1 -exec cp {} $PKG$PREFIX/bin/ \;
+chmod 755 $PKG$PREFIX/bin/*
+
+# move doc/ to the appropriate location
+mkdir -p $PKG$PREFIX/doc/$PRGNAM
+cp LICENCE* *.md $PKG$PREFIX/doc/$PRGNAM
+
+# correction
+cd $PKG
+chown -R root:root *
+
+find $PKG$PREFIX/man -type f -not -name \*.gz -exec gzip -9 {} \;
+
+# embaumement
+mkdir -p $PKG/install
+
+cat <<EOF > $PKG/install/slack-desc
+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.  Line
+# up the first '|' above the ':' following the base package name, and the '|'
+# on the right side marks the last column you can put a character in.  You must
+# make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':'.
+
+       |-----handy-ruler------------------------------------------------------|
+$PRGNAM: $PRGNAM ( cat for markdown )
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM: https://github.com/lunaryorn/mdcat
+EOF
+
+# empaquetage
+rm -f $PKG/{,usr/}lib$(uname -m | grep -o 64)/*.la
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.txz
diff --git a/ap/viu/SlackBuild b/ap/viu/SlackBuild
new file mode 100755
index 00000000..ed6a5e71
--- /dev/null
+++ b/ap/viu/SlackBuild
@@ -0,0 +1,78 @@
+#!/bin/bash
+
+# variables
+VERSION=${VERSION:-"trunk"}
+BUILD=${BUILD:-1}
+
+TAG=gwh
+TMP=/tmp/$TAG
+CWD=$(pwd)
+
+PRGNAM=$(basename $CWD)
+PKG=$TMP/pkg-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+ARCH=${ARCH:-$(uname -m)}
+
+REPOSITORY=${REPOSITORY:-/home/installs/SlackBuilds/repositories/$PRGNAM}
+PREFIX=${PREFIX:-/usr}
+
+# nettoyage préalable
+rm -fr $PKG $TMP/$PRGNAM-$VERSION
+
+mkdir -p $PKG
+
+# mise en place
+cd $TMP
+[ ! -e $REPOSITORY ] && git clone https://github.com/atanunq/viu $REPOSITORY
+cd $REPOSITORY
+git pull --all
+
+cp -R $REPOSITORY $TMP/
+cd $TMP/$PRGNAM
+[ "x$VERSION" == "xtrunk" ] && VERSION="git_$(git log -1 --format=%h_%ad --date=format:%Y.%m.%d)" || git checkout $VERSION
+
+cargo build --release
+
+mkdir -p $PKG$PREFIX/bin
+find target/release/ -type f -executable -maxdepth 1 -exec cp {} $PKG$PREFIX/bin/ \;
+chmod 755 $PKG$PREFIX/bin/*
+
+# move doc/ to the appropriate location
+mkdir -p $PKG$PREFIX/doc/$PRGNAM
+cp LICENCE* *.md $PKG$PREFIX/doc/$PRGNAM
+
+# correction
+cd $PKG
+chown -R root:root *
+
+find $PKG$PREFIX/man -type f -not -name \*.gz -exec gzip -9 {} \;
+
+# embaumement
+mkdir -p $PKG/install
+
+cat <<EOF > $PKG/install/slack-desc
+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.  Line
+# up the first '|' above the ':' following the base package name, and the '|'
+# on the right side marks the last column you can put a character in.  You must
+# make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':'.
+
+       |-----handy-ruler------------------------------------------------------|
+$PRGNAM: $PRGNAM (Simple terminal image viewer written in Rust.)
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM: https://github.com/atanunq/viu
+EOF
+
+# empaquetage
+rm -f $PKG/{,usr/}lib$(uname -m | grep -o 64)/*.la
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.txz
diff --git a/wayland/wofi/SlackBuild b/wayland/wofi/SlackBuild
index 3e9f08e4..b61bacd0 100755
--- a/wayland/wofi/SlackBuild
+++ b/wayland/wofi/SlackBuild
@@ -30,7 +30,8 @@ hg pull
 cp -R $REPOSITORY $TMP/
 cd $TMP/$PRGNAM/
 
-[ "x$VERSION" == "xtrunk" ] && VERSION="git_$(git log -1 --format=%h_%ad --date=format:%Y.%m.%d)" || git checkout $VERSION
+# [ "x$VERSION" == "xtrunk" ] && VERSION="git_$(git log -1 --format=%h_%ad --date=format:%Y.%m.%d)" || git checkout $VERSION
+[ "x$VERSION" == "xtrunk" ] && VERSION="hg_$(date +%F)"
 
 meson setup --prefix /usr --mandir /usr/man/ build/
 ninja -C build/