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仿生狮子left a comment
Hey Product Hunt -- I'm Lionad, a web engineer building tools at the intersection of data visualization and developer experience. I built Project River because I kept running into the same problem: GitHub's built-in insights tell you *what* happened (commit counts, PR velocity), but not *who* the project depends on or *when* its community shifted. I wanted to see the full shape of a...
Project RiverSee how your codebase evolved, contributor by contributor
Project River turns raw Git commit data into an interactive streamgraph -- a flowing, color-coded visualization where each band represents one contributor and the thickness shows their activity over time.
It's built for engineering managers, tech leads, and open-source maintainers who need to answer questions that GitHub Insights can't: Who are the quiet core contributors? When did a project's momentum shift? Is knowledge concentrated in too few people?
Project RiverSee how your codebase evolved, contributor by contributor