I use text files in a simple text editor like Vim. Here is what it looks like: Today: [ ] Groceries: Milk, pickles. [ ] Bank: Deposit checks.

I use text files in a simple text editor like Vim. Here is what it looks like: Today: [ ] Groceries: Milk, pickles. [ ] Bank: Deposit checks. This Week: [ ] Do stuff. This Month: [ ] More stuff.