Packages which depend, recommend, suggest or enhance a zsh package and hence may provide code meant to be sourced in .zshrc:

Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                Version        Architecture   Description
+++-===================-==============-==============-===========================================
ii  abe-commandline     17.5           all            Metapackage of commandline tools Axel usual
ii  abe-desktop-common  13.1.1         all            Common packages for all of Axel's desktop s
ii  autojump            22.5.0-2       all            shell extension to jump to frequently used 
ii  fizsh               1.0.9-1        all            Friendly Interactive ZSHell
ii  flowscan            1.006-13.2     all            flow-based IP traffic analysis and visualiz
ii  powerline           2.6-1          amd64          prompt and statusline utility
ii  shellex             0.2-1          amd64          shell-based launcher
ii  tomb                2.5+dfsg1-1    all            crypto undertaker
ii  zomg                0.8-3          amd64          console-based libre.fm submission and radio
ii  zplug               2.4.2-1        all            next-generation plugin manager for zsh
ii  zsh-antigen         2.2.3-1        all            manage your zsh plugins
ii  zsh-syntax-highligh 0.6.0-1        all            Fish shell like syntax highlighting for zsh
ii  zsh-theme-powerleve 0.6.4-1        all            powerlevel9k is a theme for zsh which uses 
ii  zshdb               0.92-3         all            debugger for Z-Shell scripts

Packages which provide vendor completions:

Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                Version        Architecture   Description
+++-===================-==============-==============-===========================================
ii  0xffff              0.7-2          amd64          Open Free Fiasco Firmware Flasher
ii  autojump            22.5.0-2       all            shell extension to jump to frequently used 
ii  bugz                0.10.1-3       all            command-line interface to Bugzilla
ii  cmus                2.7.1+git20160 amd64          lightweight ncurses audio player
ii  curl                7.58.0-2       amd64          command line tool for transferring data wit
ii  git-annex           6.20180316-1   amd64          manage files with git, without checking the
ii  git-buildpackage    0.9.8          all            Suite to help with Debian packages in Git r
ii  git-extras          4.5.0-1        all            Extra commands for git
ii  git-flow            1.11.0-1       all            Git extension to provide a high-level branc
ii  herbstluftwm        0.7.0-2        amd64          manual tiling window manager for X11
ii  keyringer           0.5.0-2        all            Distributed secret management using GnuPG a
ii  khal                1:0.9.8-1      all            Standards based CLI and terminal calendar p
ii  khard               0.12.2-2       amd64          address book for the Linux console
ii  legit               1.0.1-2        all            Git extension to assist in manipulating bra
ii  leiningen           2.8.1-4        all            Automation tool and dependency manager for 
ii  mpv                 0.27.2-1       amd64          video player based on MPlayer/mplayer2
ii  nim                 0.18.0-2       amd64          Nim programming language - compiler
ii  pass                1.7.1-3        all            lightweight directory-based password manage
ii  pdfgrep             2.0.1-1        amd64          search in pdf files for strings matching a 
ii  silversearcher-ag   2.1.0-1        amd64          very fast grep-like program, alternative to
ii  sysdig              0.19.1-1       amd64          system-level exploration and troubleshootin
ii  systemd             238-4          amd64          system and service manager
ii  systemd-container   238-4          amd64          systemd container/nspawn tools
ii  taskwarrior         2.5.1+dfsg-6   amd64          feature-rich console based todo list manage
ii  torsocks            2.2.0-2        amd64          use SOCKS-friendly applications with Tor
ii  udev                238-4          amd64          /dev/ and hotplug management daemon
ii  vcsh                1.20151229-1   all            Version Control System for $HOME - multiple
ii  vlc-bin             3.0.1-3        amd64          binaries from VLC
ii  vnlog               1.6-1          all            Toolkit to read/write/manipulate whitespace
ii  xwallpaper          0.3.0-1        amd64          utility for setting image files as X wallpa
ii  youtube-dl          2018.03.14-1   all            downloader of videos from YouTube and other

dpkg-query: no path found matching pattern /usr/share/zsh/vendor-functions/

