I recreated the RPAN airtime counter for Twitch. It includes a chatbot that reports remaining airtime, as well as an overlay and a dock for OBS. Airtime can be added by following
Streamer.bot Tutorials: Connecting to OBS 28.0.0 - YouTube
OBS Studio (v5) | Streamer.bot Wiki
Using Streamlabs Chatbot to control sources and scenes in SLOBS