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 castle-engine's historical signal data across periods?

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

GitDealFlowsignals

Q3 2026 · Historical Snapshot

castle-engine — Q3 2026 Engineering Signal

Cross-platform (desktop, mobile, console, web) 3D and 2D game engine supporting many asset formats (glTF, X3D, Spine...)

Signal — Q3 2026

In Q3 2026, castle-engine showed +8% commit velocity change with 24 active contributors (+0% growth). Signal type: Framework migration. Ranked #10 of 17 in Gaming for Q3 2026.

Metrics — Q3 2026

Commit Velocity (14d)

Velocity Change

+8%

Contributors

+0% growth

New Repos (30d)

Context

Sector: Gaming (full Q3 2026 ranking)

Stage at time of snapshot: Series A/B

Geography: Unknown

Signal classification: Framework migration — learn what this signal means

See castle-engine's current signal

This page shows a historical snapshot. For the most recent data, view the full profile.

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21–47 days
Signal Lead Time (median 31d)

$80M+
Rounds Tracked

90 sec
Per Scan

5,000+
Founders Tracked

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