I'm a fan of the app, one of those rare web apps that have been reliably there for more than 10 years and "just works". Today I found out it has been refreshed and its source released [1].

Congrats Erv Walter for the launch of v2 and thank you for making the app and source available!

For those who haven't seen this before, this is a free web app that makes it easy to chart a moving average of the weight measured with smart scales (Withings/Fitbit), following the ideas on John Walker's "The hacker diet" [2].

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1: https://github.com/ervwalter/trendweight

2: https://www.fourmilab.ch/hackdiet/