There are 2 repositories under mtga-tracker topic.
MTGATracker is a deck tracker for MTG Arena, offering an in-game overlay that shows real time info about your deck in MTGA. It can also record & analyze your past matches to show personal aggregated gameplay history information, like lifetime wins/losses by deck, by event, etc.
Deck Tracker for Magic Arena [DEPRECATED]
Parser for MTG: Arena output_log.txt file.
MTGATracker: Inspector is a web-based companion app for MTGATracker
Cross-platform Magic The Gathering Arena collection and deck tracker.
The user interface client tracker that handles local parsing to send data to Gathering.gg
A tracker for MTG Storm decks. Track mana, storm count, and more on the go, without dice or counters.