GuildTaxes calculate percent of loot's gold and allow to automatically pay it to guild bank. It ignores money taked from mail & taked from guild bank back.
Type:
- /gt - to show stats window
You can use Menu->Interface-> Addons to manage some settings.
Please use Project page to make translations, report some issues: https://wow.curseforge.com/projects/guildtaxes (issues link will redirect to github).