diff --git a/README.md b/README.md
index 4943522..7129168 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # crater's script collection
 
 Some scripts that I wrote over the years and wanted to store with versioning
-somewhere. Maybe some of them are useful for others.
+somewhere. Maybe some of them are useful for others, some are probably not.
 
 Documentation may or may not follow, some scripts include a `--help` output.
diff --git a/bin/alert b/bin/alert
deleted file mode 100755
index b0fa120..0000000
--- a/bin/alert
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/zsh
-time=$1; shift
-echo "DISPLAY=:0.0 sm \"$@\"" | at $time
diff --git a/bin/idea b/bin/idea
deleted file mode 100755
index 625d80c..0000000
--- a/bin/idea
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/zsh
-unset JAVA_HOME
-source /etc/profile.d/11_oracle-jdk.sh
-export IBUS_ENABLE_SYNC_MODE=1
-export XMODIFIERS=""
-exec $(ls ${XDG_DATA_HOME:-~/.local/share}/idea-IU-*/bin/idea.sh | sort | tail -n 1)
diff --git a/bin/venv b/bin/venv
deleted file mode 100755
index c760019..0000000
--- a/bin/venv
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/bin/zsh
-
-zparseopts -D -E c=cdhere -cdhere=cdhere h=help -help=help
-if [[ -n $help ]]; then
-	<<-HELP
-	Usage: ${0:t} [-c] [DIR]
-
-	If DIR contains bin/activate, start a shell with that virtualenv.
-	Otherwise recursively look up virtualenvs in DIR (by looking for dirs ending
-	in "venv") and select one with fzf.
-
-	 -c, --cdhere  Change back to the current working directory instead of the
-	               virtual env's base dir
-	HELP
-	exit
-fi
-
-ORIGDIR=$PWD
-
-venvsh() {
-	cd $1
-	. bin/activate
-	if [[ -n $cdhere ]]; then
-		cd $ORIGDIR
-	fi
-	$SHELL
-}
-
-if [[ -n $1 && -e $1/bin/activate ]]; then
-	exec venvsh $1
-fi
-
-venv=$(fd -I -t d 'venv$' $1 | fzf)
-if [[ -n $venv ]]; then
-	venvsh $venv
-fi
diff --git a/install.zsh b/install.zsh
new file mode 100755
index 0000000..f3d838d
--- /dev/null
+++ b/install.zsh
@@ -0,0 +1,49 @@
+#!/bin/zsh
+
+source ${$(realpath "$0"):h}/lib/common.zsh
+
+typeset -A interpreter_checked
+have_interpreter() {
+	if [[ ! $interpreter_checked[$1] ]]; then
+		check "Checking for $1… "
+		if which ruby &> /dev/null; then
+			succeed
+			interpreter_checked[$1]=1
+			return 0
+		else
+			fail "not found in path"
+			return 1
+		fi
+	fi
+
+}
+
+uses_interpreter() {
+	head -n 1 $2 | grep -q $1
+}
+
+if [[ -z $1 ]]; then
+	<<-HELP
+	Usage: $0 [-p PATH] <program_names>
+	HELP
+	exit 1
+fi
+
+zparseopts -D -E p:=install_path -path:=install_path f=force -force=force
+
+if [[ ! $install_path ]]; then
+	install_path=$HOME/.local/bin
+fi
+
+for prog in $@; do
+	for lang in zsh ruby python; do
+		if uses_interpreter $lang $prog; then
+			have_interpreter $lang || exit 1
+		fi
+	done
+	if [[ -e $install_path/${prog:t} && ! $force ]]; then
+		error "$prog already exists at $install_path. Skipping."
+	else
+		ln -fsr $prog $install_path
+	fi
+done
diff --git a/lib/common.zsh b/lib/common.zsh
new file mode 100644
index 0000000..119568f
--- /dev/null
+++ b/lib/common.zsh
@@ -0,0 +1,41 @@
+autoload -Uz colors && colors
+
+local c_fail="${fg_bold[red]}✘$reset_color"
+local c_success="${fg_bold[green]}✔$reset_color"
+
+check() {
+	echo -n " ? $*"
+}
+
+result() {
+	echo -n "\e[s"
+	echo -n "\e[1G $1"
+	echo -n "\e[u"
+	shift
+	echo " $*"
+}
+
+fail() { result $c_fail $@ }
+succeed() { result $c_success $@ }
+error() { echo -n "  "; fail $@ }
+
+depend() {
+	local missing
+	local i
+
+	for i in "$@"; do
+		type "$i" &>/dev/null || {
+			echo >&2 " $c_fail Missing dependency: $i. Please install it"
+			missing=1
+		}
+	done
+	[[ -n "$missing" ]] && exit 1
+}
+
+urlencode() {
+        setopt extendedglob
+	input=$(</dev/stdin)
+	# by jkramer, source: http://stackoverflow.com/a/187853/928769
+        echo "${${(j: :)input}//(#b)(?)/%$[[##16]##${match[1]}]}"
+}
+
diff --git a/misc/alert b/misc/alert
new file mode 100755
index 0000000..8247395
--- /dev/null
+++ b/misc/alert
@@ -0,0 +1,6 @@
+#!/bin/zsh
+time=$1; shift
+(
+echo "DISPLAY=$DISPLAY sm \"$@\"" | at $time
+) &>/dev/null
+echo "Alerting at $time on screen $DISPLAY"
diff --git a/bin/autoless b/misc/autoless
similarity index 100%
rename from bin/autoless
rename to misc/autoless
diff --git a/bin/dbus-find b/misc/dbus-find
similarity index 100%
rename from bin/dbus-find
rename to misc/dbus-find
diff --git a/bin/dmjavadoc b/misc/dmjavadoc
similarity index 100%
rename from bin/dmjavadoc
rename to misc/dmjavadoc
diff --git a/bin/dmpc b/misc/dmpc
similarity index 100%
rename from bin/dmpc
rename to misc/dmpc
diff --git a/bin/dmscaladoc b/misc/dmscaladoc
similarity index 100%
rename from bin/dmscaladoc
rename to misc/dmscaladoc
diff --git a/bin/dmscrot b/misc/dmscrot
similarity index 100%
rename from bin/dmscrot
rename to misc/dmscrot
diff --git a/bin/dmsearch b/misc/dmsearch
similarity index 90%
rename from bin/dmsearch
rename to misc/dmsearch
index 646c50a..de3c73a 100755
--- a/bin/dmsearch
+++ b/misc/dmsearch
@@ -1,4 +1,7 @@
 #!/bin/zsh
+
+source ${$(realpath "$0"):h:h}/lib/common.zsh
+
 emulate -L zsh
 
 SYSTEM_CONFIG_PATH='/etc/dmsearch'
@@ -7,21 +10,6 @@ CACHE_PATH="$HOME/.cache/dmsearch"
 mkdir -p "${CACHE_PATH}"
 
 # required software
-
-depend() {
-	local script="$1"; shift;
-	local missing
-	local i
-
-	for i in "$@"; do
-		type "$i" &>/dev/null || {
-			echo >&2 "$i is required for ${script}. Please install it"
-			missing=1
-		}
-	done
-	[ -n "$missing" ] && exit 1
-}
-
 depend dmsearch \
 	rofi \
 	mv \
@@ -33,13 +21,6 @@ depend dmsearch \
 # helpers
 ################################################################################
 
-urlencode() {
-        setopt extendedglob
-	input=$(</dev/stdin)
-	# by jkramer, source: http://stackoverflow.com/a/187853/928769
-        echo "${${(j: :)input}//(#b)(?)/%$[[##16]##${match[1]}]}"
-}
-
 # define a module option
 # Parameters:
 #  1: module id
diff --git a/bin/dmtexdoc b/misc/dmtexdoc
similarity index 100%
rename from bin/dmtexdoc
rename to misc/dmtexdoc
diff --git a/bin/dmumount b/misc/dmumount
similarity index 100%
rename from bin/dmumount
rename to misc/dmumount
diff --git a/bin/dmxrandr b/misc/dmxrandr
similarity index 100%
rename from bin/dmxrandr
rename to misc/dmxrandr
diff --git a/misc/findterm b/misc/findterm
new file mode 100755
index 0000000..925494a
--- /dev/null
+++ b/misc/findterm
@@ -0,0 +1,9 @@
+#!/bin/zsh
+for candidate in x-terminal-emulator xdg-terminal alacritty urxvt xterm; do
+	if which $candidate &> /dev/null; then
+		echo $candidate
+		exit 0
+	fi
+done
+echo "no terminal found" >&2
+exit 1
diff --git a/bin/fixenc b/misc/fixenc
similarity index 100%
rename from bin/fixenc
rename to misc/fixenc
diff --git a/misc/guiterm b/misc/guiterm
new file mode 100755
index 0000000..5540c0d
--- /dev/null
+++ b/misc/guiterm
@@ -0,0 +1,29 @@
+#!/bin/zsh
+
+if [[ "${0:t}" == "guiterm" ]]; then
+	<<-HELP
+	Symlink to g\$progname to start \$progname in tmux in a new terminal or
+	reattach a tmux session named \$progname in a new terminal
+
+	Symlink to g.\$progname to start \$progname in tmux in a new terminal
+	regardless of existing tmux sessions"
+
+	Example symlink names:
+	    gmutt: start mutt in a terminal or open the existing one
+	    g.zsh: open a terminal running a new zsh session
+	HELP
+	exit 1
+fi
+
+prog=${${0:t}[2,-1]}
+if [[ "$prog[1]" == "." ]]; then
+	prog=${prog[2,-1]}
+	action="tmux new-session ${prog}"
+elif tmux list-sessions | grep -qe "^${prog}:"; then
+	action="tmux attach -t ${prog}"
+else
+	action="tmux new-session -s ${prog} ${prog}"
+fi
+
+#exec alacritty --title G${prog} -e ${=action}
+exec alacritty -t G${prog} -e ${=action}
diff --git a/misc/idea b/misc/idea
new file mode 100755
index 0000000..71437ba
--- /dev/null
+++ b/misc/idea
@@ -0,0 +1,21 @@
+#!/bin/zsh
+unset JAVA_HOME
+source /etc/profile.d/11_oracle-jdk.sh
+export IBUS_ENABLE_SYNC_MODE=1
+export XMODIFIERS=""
+
+dotfiles=( $HOME/.* )
+project_dirs=(
+	$HOME/learning
+	$HOME/teaching
+	$HOME/projects
+	$HOME/sandbox
+	$HOME/sources
+	$HOME/toy-projects
+	$HOME/work
+	)
+
+exec firejail \
+	--whitelist=${^dotfiles} \
+	--whitelist=${^project_dirs} \
+	$(ls ${XDG_DATA_HOME:-~/.local/share}/idea-IU-*/bin/idea.sh | sort | tail -n 1)
diff --git a/misc/install-proton-ge.zsh b/misc/install-proton-ge.zsh
new file mode 100755
index 0000000..ccbb128
--- /dev/null
+++ b/misc/install-proton-ge.zsh
@@ -0,0 +1,31 @@
+#!/bin/zsh
+# installs or updates to latest release of Proton build by GloriousEggroll
+# saves installed versions in $STEAM_DIR/compatibilitytools.d/proton-ge-tags
+
+autoload -Uz colors && colors
+
+if [[ ! -e $HOME/.steam/root/ ]]; then
+	if [[ -e $HOME/.var/app/com.valvesoftware.Steam/data/Steam ]]; then
+		#flatpak-version
+		COMPTOOLSDIR=$HOME/.var/app/com.valvesoftware.Steam/data/Steam/compatibilitytools.d/
+	fi
+	echo "steam root not found"
+	exit 1
+else
+	COMPTOOLSDIR=$HOME/.steam/root/compatibilitytools.d
+fi
+
+mkdir -p $COMPTOOLSDIR
+
+latest_json=$(curl -s https://api.github.com/repos/GloriousEggroll/proton-ge-custom/releases/latest)
+release_tag=$(jq -r .tag_name <<<$latest_json)
+
+installed_tags="$COMPTOOLSDIR/proton-ge-tags"
+
+if grep -q "^$release_tag\$" "$installed_tags"; then
+	echo "${fg_bold[yellow]}Current release $release_tag already installed.$reset_color"
+else
+	echo $release_tag >> .steam/root/compatibilitytools.d/proton-ge-tags
+	curl -L $(jq -r '.tarball_url'<<<"$latest_json") | tar -C $COMPTOOLSDIR -xvz
+	echo "${fg_bold[green]}Installed release $release_tag.$reset_color"
+fi
diff --git a/bin/ipy b/misc/ipy
similarity index 100%
rename from bin/ipy
rename to misc/ipy
diff --git a/bin/mdcat b/misc/mdcat
similarity index 100%
rename from bin/mdcat
rename to misc/mdcat
diff --git a/bin/mkscript b/misc/mkscript
similarity index 100%
rename from bin/mkscript
rename to misc/mkscript
diff --git a/bin/newmails b/misc/newmails
similarity index 100%
rename from bin/newmails
rename to misc/newmails
diff --git a/misc/pathtest b/misc/pathtest
new file mode 100755
index 0000000..eaaa581
--- /dev/null
+++ b/misc/pathtest
@@ -0,0 +1,3 @@
+#!/bin/zsh
+
+source ${$(realpath "$0"):h:h}/lib
diff --git a/bin/pdftosvg b/misc/pdftosvg
similarity index 100%
rename from bin/pdftosvg
rename to misc/pdftosvg
diff --git a/bin/pomdep-graph b/misc/pomdep-graph
similarity index 100%
rename from bin/pomdep-graph
rename to misc/pomdep-graph
diff --git a/bin/qrshow b/misc/qrshow
similarity index 100%
rename from bin/qrshow
rename to misc/qrshow
diff --git a/bin/re b/misc/re
similarity index 92%
rename from bin/re
rename to misc/re
index 093cf53..5123ca0 100755
--- a/bin/re
+++ b/misc/re
@@ -27,9 +27,9 @@ fi
 
 if [[ -e $SCRIPTDIR/$1 ]]; then
 	if [[ -n $dry_run ]]; then
-		$PAGER -F $SCRIPTDIR/$1
+		${PAGER:-less} -F $SCRIPTDIR/$1
 	elif [[ -n $edit ]]; then
-		$EDITOR $SCRIPTDIR/$1
+		${EDITOR:-vim} $SCRIPTDIR/$1
 	else
 		script=$1
 		shift
diff --git a/misc/share b/misc/share
new file mode 100755
index 0000000..bcf4532
--- /dev/null
+++ b/misc/share
@@ -0,0 +1,8 @@
+#!/bin/zsh
+file_id=$(head -c 12 /dev/urandom|base64| tr '/' '+')
+file_name=${2:-${1:t}}
+
+ssh qwerty mkdir -p ~/share/$file_id/
+rsync -P $1 qwerty:share/$file_id/$file_name
+ssh qwerty ~/update-www-perms.sh
+echo https://share.qwertyuiop.de/$file_id/$file_name
diff --git a/misc/sweechat b/misc/sweechat
new file mode 100755
index 0000000..6daeda8
--- /dev/null
+++ b/misc/sweechat
@@ -0,0 +1,10 @@
+#!/bin/zsh
+if [[ "$1" == "-S" ]]; then
+	shift
+	server=${1};
+	shift
+else
+	server="qwerty";
+fi
+
+exec alacritty -t Weechat -e tmux new-session mosh "${server}" -- tmux attach "$@" -t weechat
diff --git a/bin/tmux-url-fuzz b/misc/tmux-url-fuzz
similarity index 100%
rename from bin/tmux-url-fuzz
rename to misc/tmux-url-fuzz
diff --git a/bin/unlock-parse b/misc/unlock-parse
similarity index 100%
rename from bin/unlock-parse
rename to misc/unlock-parse
diff --git a/bin/unlock-track b/misc/unlock-track
similarity index 100%
rename from bin/unlock-track
rename to misc/unlock-track
diff --git a/bin/update-amm b/misc/update-amm
similarity index 100%
rename from bin/update-amm
rename to misc/update-amm
diff --git a/misc/venv b/misc/venv
new file mode 100755
index 0000000..3cd2af0
--- /dev/null
+++ b/misc/venv
@@ -0,0 +1,55 @@
+#!/bin/zsh
+
+zparseopts -D -E c=cdhere -cdvenv=cdvenv h=help -help=help n=newvenv -new=newvenv t=tmsu -tmsu=tmsu
+if [[ -n $help ]]; then
+	<<-HELP
+	Usage: ${0:t} [-c] [DIR]
+	       ${0:t} -t
+
+	If DIR contains bin/activate, start a shell with that virtualenv.
+	Otherwise recursively look up virtualenvs in DIR (by looking for dirs ending
+	in "venv") and select one with fzf.
+
+	 -c, --cdvenv  Change to the venv directory instead of going back to the 
+	               current working directory
+	 -t, --tmsu    list only venvs in a directory with tmsu tag lang=python
+	HELP
+	exit
+fi
+
+ORIGDIR=$PWD
+
+venvsh() {
+	cd $1
+	. bin/activate
+	if [[ -z $cdvenv ]]; then
+		cd $ORIGDIR
+	fi
+	$SHELL
+}
+
+if [[ -n $tmsu ]]; then
+	venv=$(
+		for i in $(tmsu files --directory lang=python); do
+			[[ -d $i/venv ]] && echo $i/venv
+		done | fzf)
+	if [[ -n $venv ]]; then
+		exec venvsh $venv
+	else
+		exit 1
+	fi
+fi
+
+if [[ -n $newvenv ]]; then
+	python -mvenv ${1:-venv}
+	exec venvsh ${1:-venv}
+fi
+
+if [[ -n $1 && -e $1/bin/activate ]]; then
+	exec venvsh $1
+fi
+
+venv=$(fd -I -t d 'venv$' $1 | fzf)
+if [[ -n $venv ]]; then
+	exec venvsh $venv
+fi
diff --git a/bin/vf b/misc/vf
similarity index 100%
rename from bin/vf
rename to misc/vf
diff --git a/bin/webapp b/misc/webapp
similarity index 52%
rename from bin/webapp
rename to misc/webapp
index 39a7625..8aead7a 100755
--- a/bin/webapp
+++ b/misc/webapp
@@ -1,10 +1,12 @@
 #!/bin/zsh
+
+source ${$(realpath "$0"):h:h}/lib/common.zsh
+
 profile="${0:t}"
 
-need firefox
-need firejail
+depend firefox firejail
 
 mkdir -p $HOME/.jails/firefox-$profile
 
 exec firejail --private=$HOME/.jails/firefox-$profile \
-	firefox --no-remote "$@"
+	firefox --class $profile --no-remote "$@"
diff --git a/bin/webapp-cp b/misc/webapp-cp
similarity index 100%
rename from bin/webapp-cp
rename to misc/webapp-cp
diff --git a/bin/xc b/misc/xc
similarity index 94%
rename from bin/xc
rename to misc/xc
index a4eaaf3..62c576f 100755
--- a/bin/xc
+++ b/misc/xc
@@ -3,8 +3,8 @@
 # install this program with the name xc and symlink it as xs.
 # xc will use the clipboard selection, while xs while use the primary selection
 
-source $(which need)
-need xclip
+source ${$(realpath "$0"):h:h}/lib/common.zsh
+depend xclip
 
 function get_primary() { xclip -o -selection primary }
 function get_clipboard() { xclip -o -selection clipboard }
@@ -19,7 +19,7 @@ function show_both() {
 }
 
 function read_both() {
-	need pee moreutils
+	depend pee
 	pee "xclip -i -selection primary" "xclip -i -selection clipboard"
 }
 
@@ -35,7 +35,7 @@ function common() {
 		"showboth") show_both ;;
 		"sed") $getc | sed -e "$@" | $setc; $getc;;
 		"pipe") $getc | "$@" | $setc; $getc;;
-		"edit") need vipe moreutils; $getc | vipe | $setc; $getc;;
+		"edit") depend vipe; $getc | vipe | $setc; $getc;;
 		"") if [[ -t 0 ]]; then $getc; else $setc; fi;;
 		*) <<-HELP
 			Usage: xc [COMMAND]
diff --git a/misc/zenity-askpass b/misc/zenity-askpass
new file mode 100755
index 0000000..59263e4
--- /dev/null
+++ b/misc/zenity-askpass
@@ -0,0 +1,2 @@
+#!/bin/zsh
+zenity --password --title="sudo password prompt" --timeout=10
diff --git a/void/xbps-worldfile b/void/xbps-worldfile
new file mode 100755
index 0000000..ce0f319
--- /dev/null
+++ b/void/xbps-worldfile
@@ -0,0 +1,66 @@
+#!/bin/zsh
+
+zparseopts -D -E h=help -help=help d=desc -describe=desc
+
+function not-in-left() {
+	awk 'NR==FNR{a[$0]=1;next}!a[$0]' "$@"
+}
+
+function first-col() {
+	cut -d$'\t' -f1
+}
+
+function info() {
+	printf "$@" >&2
+}
+
+if [[ -n $help ]]; then
+	echo 'Usage: xbps-worldfile [-d]'
+	echo 'Edit a list of manually installed packages in your editor and update the pkgdb'
+	echo
+	echo '  -d, --describe    Query short description for packages and display it in the list (slow)'
+	exit
+fi
+
+TMPFILE=$(mktemp -p ${TMPDIR:-/tmp} xbps-worldfile.XXXXXXXXXX)
+
+if [[ -n $desc ]]; then
+	info "Generating worldfile with descriptions\n"
+	xbps-query -m | while read pkg; do
+		info .
+		printf "%-40s\t%s\n" $pkg "$(xbps-query -p short_desc $pkg)"
+	done > $TMPFILE
+else
+	xbps-query -m > $TMPFILE
+fi
+
+EDITFILE=$(mktemp -p ${TMPDIR:-/tmp} xbps-worldfile.edit.XXXXXXXXXX)
+cp $TMPFILE $EDITFILE
+
+$EDITOR $EDITFILE
+
+autopkgs=$(not-in-left $EDITFILE $TMPFILE | first-col)
+manualpkgs=$(not-in-left $TMPFILE $EDITFILE | first-col)
+rm $TMPFILE $EDITFILE
+
+if [[ -z $manualpkgs && -z $autopkgs ]]; then
+	info "No changes.\n"
+	exit
+fi
+info "\e[92minstalling:\e[0m\n${manualpkgs}\n\n"
+info "\e[93mchanging to auto:\e[0m\n${autopkgs}\n\n"
+
+
+info "\e[1mContinue? [y/n]:"
+if ! read -q; then exit; fi
+
+if [[ -n $manualpkgs ]]; then
+	xbps-install $=manualpkgs
+	xbps-pkgdb -m manual $=manualpkgs
+fi
+
+if [[ -n $autopkgs ]]; then
+	xbps-pkgdb -m auto $=autopkgs
+	info "\e[93mcleaning orphans\e[0m"
+	xbps-remove -Ro
+fi
diff --git a/void/xrevdep b/void/xrevdep
new file mode 100755
index 0000000..9fa5a5f
--- /dev/null
+++ b/void/xrevdep
@@ -0,0 +1,23 @@
+#!/bin/zsh
+
+CLEAR="\e[2K\e[${COLUMNS}D"
+printc() {
+	printf "$CLEAR\e[32m%s\e[0m" "$*" >&2
+}
+
+revdep() {
+	printc "> $1"
+	parents=$(xbps-query -X "$1")
+
+	if [[ -z $parents ]]; then
+		echo $1
+	else
+		while IFS= read -r i; do
+			revdep $i
+		done <<<"$parents"
+	fi
+}
+
+result=$(revdep "$1")
+printc
+sort -u <<<"$result"