For simple scripts that do not warrant an entire program
Add iTunes now-playing info to OBS multiplatform with this script
Free VLC NowPlaying
Script that allows you to create a NowPlaying.txt file to display song information from VLC.
OBS Studio Facebook Comment Overlay
min soo yuk
Shows Facebook comments from the post.
Non-Free Jaxel's Scoreboard Primer
My scoreboard script, updated as of September 2016
OBS Studio Xbox Pad Viewer
A simple HTML gamepad viewer that displays the input your controller receives.