There are 2 repositories under obs-overlay topic.
An OBS overlay for TeamSpeak5, so your audience can see who is talking
ApexLegends overlay tools for custom match
Fork of https://codepen.io/gylidian/pen/NWWzGGg
just a simple webpage to embed a customizable overlay in your video/stream
Small overlay for displaying Pen and Paper character info with OBS
System Monitor Overlay in OBS Studio using WebUI + Python
Rank overlay for OBS that automatically updates
Desktop application to control all overlay parts of our Rocket League Cast Overlay
Custom CSS for YouTube live chat overlay in OBS
Twitch websocket (EventSub) custom reward listener
An external Client Viewer (e.g. as an OBS Overlay)
OBS overlay that prompts the streamer with simple math problems.
CUT Overlay is an open-source OBS overlay with support for Spotify and BeatSaberPlus status.
A simple Twitch chat overlay using OBS browser source.
OBS overlay for analyzing the most frequent words/phrases in Twitch chat.
Web client for Jaidbot.
OBS widget to display the current track on Linux systems