Compare files, code lines, comments, blanks, and language mix between two public repositories or refs.
JavaScript runs the comparison in your browser; this summary exists so the link preview and crawlers see a real page.
Example: facebook/react vs vuejs/core. Example reports: facebook/react, vitejs/vite.
Server-rendered source line count comparisons for popular frameworks and tools:
OctoCounts also publishes original research on how measurement choices affect line counts: How test, docs, and generated-file filtering changes SLOC counts (pilot study, September 2026).