Socialify is a free open source tool that aids open source project developer showcase their projects by generating catchy beautiful images.
Furthermore, it comes with many options that include creating custom logo, description generator, badges and several fonts and background patterns.
You can download images in different formats like .png, .jpeg, and .webp.
The project is released under the MIT open-source license. It is still under active development, so keep in mind the design, and domain may change in the near future.
All is required is to put your open-source project GitHub's repo, and Socialify will do the rest.