Research and mount info at character window, can show all chars (cross server) or only current oneb
MerCharacter Sheet
or
https://www.esoui.com/downloads/info...Alts.html#info
or
https://www.esoui.com/downloads/info...olic.html#info
And I think WPAMA (What Pledges at My Alt) can help for the dungeons. Search for dungeon in addons there was another one showing the daily dungeon/pledge info at the dungeons group list I think.
Inventory Insight for an Ui showing your items across toons/banks.
All on one page, Hm, I don't know any addon providing that.