lubelogger.com
LubeLogger is a self-hosted, open-source vehicle maintenance records and fuel mileage tracker. It tracks vehicle expenses by year, month, and category, records work done on vehicles, and attaches documents such as invoices and receipts. It tracks fuel economy in MPG, UK MPG, L/100KM, and KM/L, and supports recurring reminders based on date, odometer, or whichever comes first.