New version of PRACT OBS, an Open Source program exposing to OBS the tracks played in Rekordbox. New features include a new custom format and a JSON export. Download link in comments. :
How To Directly Route Audio From RekordboxDJ 6 into OBS w/DDJ-1000 (2020 Update) - YouTube
Using a Mac virtual audio driver to get a direct Rekordbox audio stream in OBSBig Sur Update – Hi, I'm Nick.