Ballast

Free, open-source fitness tracker PWA with no account and no subscription.

Webfreenetherlands

Ballast is a free, open-source fitness tracker PWA for weight, body measurements, strength PRs, and calisthenics skill progressions, built as an alternative to apps charging a monthly subscription for basic tracking. It requires no account and stores all data in the browser with no cloud backend, aimed at people who want a simple, private tracker that installs like a native app.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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