There are 2 repositories under streamlabs-chatbox topic.
Custom on-screen chat for Streamlabs Chat Box or StreamElements Custom Widget.
[EN] Boxed chat box for Streamlabs, with dark and light themes.
Theme ChatBox pour la chaine Twitch AuroreTVv
Theme ChatBox pour la chaine Twitch DoubleT
Template de création de Theme de ChatBox Streamlabs