Placeit offers you this FREE overlay maker template for Twitch. You can customize in a few clicks this Twitch overlay via the online editor. You can modifiy the colors of the UI elements. You can modify the fonts and pick your own social media handles. You have full control over the design. Then you can easily download the final visual for free and use it as an overlay for streaming in your favourite live streaming software (e.g. Streamlabs OBS).