Paste any public GitHub URL → get a scrollable visual history of the entire project. The GitHub API pulls commit history, contributor joins, and language shifts. An LLM groups this into named narrative chapters — "The Foundation", "The Great Refactor" — so the repo's story reads like a story, not a log. Contributor avatars, language charts, commit sparklines. Shareable OG card included. Open source. MIT licensed.
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Maker
📌
Hey Product Hunt 👋
CodeTimeline started because I was frustrated that GitHub's commit log
tells you *what* changed but never *why it mattered*. Every project has
a real narrative arc — the scrappy early sprint, the moment the community
showed up, the quarter everything broke — but none of that is visible.
So I built a tool that surfaces it.
The technically interesting part is the chapter naming. I feed the LLM
commit message clusters alongside contributor context (who joined, who
went quiet, PR merge rate) rather than just raw messages. That's what
makes "feat(AUTH-2341): add oauth" turn into "The Authentication Overhaul"
rather than something generic.
Stack: Next.js 15 · GSAP ScrollTrigger · D3.js · NVIDIA NIM ·
GitHub REST API · Vercel
A few timelines worth trying:
→ facebook/react — watch the community inflection point
→ expressjs/express — a textbook "peak and plateau" arc
→ vercel/next.js — growth goes vertical after 2020
Source is fully open: github.com/Rohan5commit/codetimeline
I'd love to know what your repo's timeline looks like — drop it in
the comments. Happy to answer any questions about how it works.