The medium is less important. The ceremony is more important.

You don't need a lot of ceremony. But adding some ceremony is making all the difference between feeling unorganized vs. feeling on track.

Work requires planning. You probably already have the tracking work part covered. You should also improve the planning of work, as a ceremony.

Building a system to track work, regardless of the medium where you do it, will pay dividends. You should also write down the system you chose, and from time to time review and improve upon your system.

There are multiple tools you can borrow for your system from the field of project management. Specifically for the planning and the tracking phases.

One example out of many can be WBS.