This app was built just for myself :-) One of my earliest applications; this is an an image search engine for public domain images. The idea behind was to have one space for images that I can use for prototyping or actual production use. This is now hosted in the below url. The site uses Unsplash and Pexels APIs to search imags.
https://jaimonapitest.netlify.app/
The front-end framework used is Bulma. I favor Bulma over Bootstrap as it allows prototyping with minimal CSS. The API keys are still hosted in the site, instead of a proxy. I just didn’t get time to move these over.