Tailscale GUI but it's an xbar app https://news.ycombinator.com/item?id=33650730

xbar-tailscale.10s.sh

#!/bin/bash
# WTFPL

tsp=(/opt/homebrew/bin/tailscale --socket ~/.tailscaled.socket)
jq() {
  /opt/homebrew/bin/jq "$@"
}

status_json="$("${tsp[@]}" status --json)"

echo "ts"
echo "---"

if [[ "$(echo "${status_json}" | jq -r .Self.Online)" = "true" ]]; then
  echo "Connected | disabled=true"
  echo "Log out | shell=bash | param1=-c | param2='${tsp[*]} down'"
  echo "---"
  echo "Admin console... | href=https://login.tailscale.com/welcome"
  echo "---"
  echo "This Device | disabled=true"
  echo "$(echo "${status_json}" | jq -r .Self.HostName) – $(echo "${status_json}" | jq -r .Self.TailscaleIPs[0]) | shell=bash | param1=-c | param2='echo -n \"$(echo "${status_json}" | jq -r .Self.TailscaleIPs[0])\" | pbcopy'"
  # echo "---"
  # echo "Available Devices | disabled=true"
  # echo "TODO... | disabled=true"
else
  echo "Disconnected | disabled=true"
  echo "Sign in... | shell=bash | param1=-c | param2='${tsp[*]} up'"
  echo "---"
  echo "Admin console... | href=https://login.tailscale.com/welcome"
  # echo "---"
  # echo "Sign in to see device list | disabled=true"
fi