As I'm working on my regular decision college applications, and since Opus 5.5 released, I was able to polish up Quillium (https://quillium.bryanhu.com) so I can dogfood it for my college applications.

It's a nonlinear writing editor, so I can keep track of all the versions of different words, paragraphs, sentences, or drafts. No more Final_FINAL_v3_essay.docx