Stars are a bookmark. Followers are a vanity counter. Neither tells you whether a developer's record is expensive to fake. RepoAppraisal values public software work the way an appraiser values property — comparable sales, replacement cost, income capitalization — and commits every underlying fact to a cryptographic proof.
Anyone can farm a star. Anyone can fork a repo to inflate a count. Almost nobody can make a stranger merge their code.
Pull requests accepted into repositories you don't control. It requires another maintainer's consent, so it cannot be farmed, inherited from a fork, or self-issued.
Detached forks inherit a parent's stars. Awesome-lists accrue stars with no engineering. Bounty funnels buy attention. All three are detected, disclosed, and adjusted — never blended.
Every fact becomes a leaf in an RFC 6962 Merkle tree. A counterparty verifies any single claim by proof, and can tell if a report was edited after it was shared.
It is a terms-of-sale adjustment — and most tools get this badly wrong.
An appraiser does not discard a house sale that closed with seller concessions. They disclose the consideration and adjust for terms. Attention bought through a bounty program, airdrop, or paid contributor funnel is the software equivalent: a real transaction with a known price attached.
| Class | What it evidences | What it does not |
|---|---|---|
| Organic | Unpaid market demand | — |
| Incentivized | Conversion depth — the participant took a costly action | Demand from people offered nothing |
A comp set of accounts in adjacent niches, adjusted for inherited stars and list inflation.
What it would cost to reproduce the tracked output — plus the physical plant required to produce it.
Revenue actually attributable to the portfolio, capitalized against real multiples.
The method is published in full. Nothing here is a black box.
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Your account, full method, comp set, PDF, embeddable badge, and an anchored timestamp of the facts as of the appraisal date.
Evidence-backed review for someone with money at stake — hiring, acquisition, grant, or bounty decisions. Findings link to source. No single score.