In 2020 during the corona pandemic, I picked up playing guitar again after not having touched a guitar for more than 15 years. Being older, more patient and more mature towards my goals, I decided to spend more time with learning music theory and as a part of it also improve on rhythm.
My DAW (Digital Music Workstation) of choice is Reaper. I discovered a wonderful community member-made plugin called "MIDI Rhythm Trainer" I use to track my progress.
Here are some screenshots of my recent practicing sessions: