The best alternatives to Task Finisher are TinyDo, Move, and Catadoo. If these 3 options don't work for you, we've listed a few more alternatives below.
Focus on one important task today. You decide what to focus on. After you set today's task you can't change or delete it. Keep a streak of days you finished your daily task.
Get more done with friends. Manage your personal and group to-do lists. Check off tasks as you finish them and get a first-hand look into what your group is doing. Move is easier to use than large project management tools while giving you more transparency.
Catadoo is a gamified todo-list that will make you want to finish your tasks while taking care of a digital cat. Think of it as a Tamagotchi Todo-list!