Weekly growth · percentage velocity
Dark horses · Velocity leaders
The metric is a ratio: stars gained this week ÷ stars already there. The same +1,000 puts a 500-star repo at +200% ahead of a 100k-star one at +1% — dark horses are about velocity, not size. Repos under 10 stars at window start are excluded (one star = 100%, pure noise).
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Methodology & data notes
Why percentage instead of absolute gain?
Velocity is what makes a dark horse: +200% on a small repo is a stronger signal than +1% on a giant. Absolute gain still rules the Rising board.