Fitbod - Personalized Strength-Training powered by Machine Learning
EasyBCD - EasyBCD is NeoSmart Technologies multiple award-winning answer to tweaking Windows bootloader.
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GRUB - Multiboot boot loader
Hevy - Simple workout logging, insightful analytics, and a growing community of gym athletes.
Grub2Win - Safely dual boot Windows and Linux without touching the Windows MBR.