Greasy Fork is available in English.
Tools for MilkyWayIdle. Shows total action time. Shows market prices. Shows action number quick inputs. Shows how many actions are needed to reach certain skill level. Shows skill exp percentages. Shows total networth. Shows combat summary. Shows combat maps index. Shows item level on item icons. Shows how many ability books are needed to reach certain level. Shows market equipment filters.
+1 on the monster tracking. Also, another suggestion: When viewing an item on the market, show the median price for that item over the past day or week (or even better, both). Would be useful to see if there is currently a spike in prices compared to the average.