quantified-self

The premium Open Source alternative to DC Rainmaker Analyzer

🎯 Best for:Users testing the accuracy of new fitness wearables or sensors.

What is quantified-self?

Replaces manual spreadsheet comparisons for activity trackers by providing a tool to overlay multiple FIT/GPX files. Designed to analyze discrepancies in GPS accuracy, heart rate sensors, and power meters.

Tech Stack
TypeScriptFitness & Wellness

Why quantified-self?

  • High-precision comparisons
  • Supports multiple formats
  • No data upload required

Limitations

  • Niche use case
  • Technical UI
  • Limited to file comparison
2/28/2026
Last Update
28
Forks
7
Issues
AGPL-3.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to quantified-self instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on DC Rainmaker Analyzer)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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