intergration-list.yaml

# Integration List:
{% set devices = states | map(attribute='entity_id') | map('device_id') | unique | reject('eq',None) | list %}
{%- set ns = namespace(integrations = []) %}
{%- for device in devices if device_attr(device, 'identifiers') %}
  {%- set ids = device_attr(device, 'identifiers') | list | first %}
  {%- if ids and ids | length == 2 %}
    {%- set integration, something_unique = ids %}
    {%- if integration not in ns.integrations %}
      {%- set ns.integrations = ns.integrations + [ integration ] %}
    {%- endif %}
  {%- endif %}
{%- endfor %}
{% for integration in ns.integrations %}
  {{integration}}:  {{integration_entities(integration)|count }}
{% endfor %}

# Sorted Integration List by count:
{% set ns = namespace(items = []) %}
{% for item in  states | map(attribute='entity_id') 
  | map('device_attr', 'identifiers') | reject('none') 
  | map('first') | select('defined') 
  | map(attribute='0') | unique %}

  {% set entities = integration_entities(item) %}
  {% set ns.items = ns.items + [ { 'integration': item, 'count': entities | count} ] %}
{% endfor %}
{{ ns.items | sort(attribute='count', reverse=true) }}

{% for integration in ns.items| sort(attribute='count', reverse=true) %}
  {{integration}}
{% endfor %}