I built a client-side GitHub repo comparator
Client-side avoids token leakage; star graphing is table stakes, caching is nice.

Turns 500k-line monorepos into explorable star maps where file size dictates star magnitude.
Developers and engineering managers analyzing legacy codebases
Sourcegraph · Gource · CodeSee
Client-side avoids token leakage; star graphing is table stakes, caching is nice.
Solves a real friction point, but browser storage query already exists on GitHub.
No-token GitHub star charts are nice, but Star History already does this.
Wordle for GitHub stars, but the novelty wears off after a few rounds.
Star-farming detector using fork ratios when GitHub already shows these metrics natively.
GitHub stars organizer when GitHub's own UI already handles this.