What are /r/FitFI's favorite Products & Services?

From 3.5 billion Reddit comments

I'm a casual weight lifter and skinny dude. I frequent /r/gainit. I've been slacking the past few months, but my normal routine is as follows:

Track lifts with FitNotes (barebones tracking app, no "social" aspect, includes spreadsheet export)

I track my body weight sporadically on a google-sheets with a simple line-trend and a "goal" marked out.