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⚔️ ARCHITECTURAL SHOWDOWN5-Pillar Quality Index v1

sparkvsscalajs-react

Empirical side-by-side telemetry and architectural trade-off audit. Evaluated deterministically from git commit cadence, release recency, test automation, and security posture.

⚔️ Interactive Matchup Controls• Swap any framework to generate instant comparison
Competitor 1
spark
VS
Competitor 2
scalajs-react
Popular Rivalries:
👑 HIGHEST COMPOSITE SCORE
apache
apache/
spark
5-PILLAR QUALITY
64/100
Grade B
64% confidence
44.0k stars
🔀 29.4k forks
💻 Scala
📜 Apache License 2.0
Inspect spark Profile →
5-Pillar Dual Radar Face-Off
spark
scalajs-react
⚡ Maintenance👥 Adoption🏛️ Architecture📖 Documentation🛡️ Security
japgolly
japgolly/
scalajs-react
5-PILLAR QUALITY
60/100
Grade B
64% confidence
1.7k stars
🔀 231 forks
💻 Scala
📜 Apache License 2.0
Inspect scalajs-react Profile →
Granular Telemetry Audit

5-Pillar Differential Matrix

Side-by-side points breakdown across the 5 canonical dimensions of open-source repository health.

Maintenance & Release Velocity(Max 25 pts)
⚖️ Even Match
spark11.5 / 25
scalajs-react11.5 / 25
spark: Low issue backlog pressure (581 open issues comfortably within community capacity)
scalajs-react: Low issue backlog pressure (17 open issues comfortably within community capacity)
👥Community & Ecosystem Adoption(Max 25 pts)
★ spark +4.7 pts advantage
spark22.4 / 25
scalajs-react17.7 / 25
spark: Established ecosystem adoption: 44,030 stars
scalajs-react: Proven community traction: 1,659 stars
🏛️Architecture & Code Integrity(Max 20 pts)
⚖️ Even Match
spark11 / 20
scalajs-react11 / 20
spark: Type-safe language ecosystem: Scala
scalajs-react: Type-safe language ecosystem: Scala
📖Documentation & Developer Experience(Max 15 pts)
⚖️ Even Match
spark11.5 / 15
scalajs-react11.5 / 15
spark: Clear installation guide with runnable package manager commands
scalajs-react: Clear installation guide with runnable package manager commands
🛡️Security, Risk & Sustainability(Max 15 pts)
⚖️ Even Match
spark8 / 15
scalajs-react8 / 15
spark: Commercially permissive open-source license (Apache License 2.0)
scalajs-react: Commercially permissive open-source license (Apache License 2.0)
Engineering Decision Guide

Which Should You Choose: spark or scalajs-react?

✓ Choose spark If:

  • Your stack requires Scala standard tooling and runtime conventions.
  • Your team values global market mindshare and larger talent pool.
  • You prioritize its Apache License 2.0 licensing terms for proprietary enterprise distribution.
  • You need verified maintenance cadence (11.5/25 pts in velocity).

✓ Choose scalajs-react If:

  • Your application architecture is built around Scala.
  • You prefer its modular footprint and release update cadence (11.5/25 pts).
  • You want to take advantage of its documentation ecosystem (11.5/15 pts).
  • Your team is seeking active issue resolution with low maintainer stagnation.
🔥 Sarcastic Autopsy Share Cards

Share a Diagnostic Autopsy for Either Competitor

Generate a scroll-stopping share card with rubber stamps, maintainer sanity gauges, and diagnostic burns.

🔥 Roast spark Card →🔥 Roast scalajs-react Card →