The deck tracker includes many useful feature any competitive player would enjoy, such as a graveyard, opponent card tracker, match / deck tracker, hand count, and calculators for allegiance and card type. There are also configuration options to adjust position, size, and opacity.
You can download this at https://lor-tracker.com and start tracking your games in less than a minute!
Note that I am just a single programmer, so I don't have the resources for lots of testing. There will likely be bugs at this stage. Any feedback or bug reports would be greatly appreciated. You can leave feedback via the contact page on the above website or creating an issue on the repository.