Family, rightly or wrongly, tends to be a shorthand for "appropriate for kids but interesting to adults too".
Routinely Itemised is a weekly roundup of RPG news from Wizards of the Coast, Chaosium, Cubicle 7, R. Talsorian Games, PEG, Paizo and the industry.
100% of proceeds go to Doctors Without Borders, and you can grab the bundle, for a limited time, from DriveThruRPG.
The emphasis of this book is helping you use 5e rules to create those Lovecraftian stories and testing the modified system with the adventure. It's about the atmosphere.
Geek Native has popped all the runners and riders into a wee database so you can quickly navigate between categories.