What does the Framework migration signal mean?

The Framework migration signal indicates a specific pattern of engineering acceleration. Full classification logic and the four-signal taxonomy are documented at /methodology and /signals.

Where can I find photoprism's historical signal data across periods?

The startup hub at /startup/photoprism consolidates every period of historical signal data for photoprism, including commit-velocity change, contributor growth, and signal classification. The free /api/signals.json endpoint exposes the same data for programmatic access.

Q3 2025 · Historical Snapshot

photoprism — Q3 2025 Engineering Signal

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Signal — Q3 2025

In Q3 2025, photoprism showed +2% commit velocity change with 100 active contributors (+19% growth). Signal type: Framework migration. Ranked #9 of 15 in AI & Machine Learning for Q3 2025.

Metrics — Q3 2025

Commit Velocity (14d)

Velocity Change

+2%

Contributors

100

+19% growth

New Repos (30d)

Context

Sector: AI & Machine Learning (full Q3 2025 ranking)

Stage at time of snapshot: Growth

Geography: EU

Signal classification: Framework migration — learn what this signal means

See photoprism's current signal

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