A mod that displays quest givers on the map. I recently finished my first 90 hour playthrough and should've looked up all the quests turns out that I missed 3 of them. Might play again someday after a dlc. A mod like this would be great regardless especially for people who wants to do one complete playthrough and not miss a quest or having to google quest locations constantly.
So map icons that displays a quest giver and it shows up when that quest is available. Or a mod that displays all quests in the game on the quest menu but they'll be greyed out until you actually obtain them within that area.