Wallos
Open-source, self-hostable personal subscription tracker
...It focuses on turning subscriptions into a clear, organized view of your financial commitments, helping you spot waste, anticipate upcoming charges, and plan your budget with fewer surprises. The app supports subscription management with due dates and payment schedules so you can keep track of what’s active and when it renews. To make analysis more meaningful, Wallos includes category management so you can group expenses and identify spending patterns over time. It also supports multiple currencies, which is especially useful for people paying for services in different billing regions or traveling between countries.