cure.fit - At-home fitness app for strength, cardio, dance and yoga
UpEffect - Crowdfunding for social good products
Fitso - Your personal coach for fitness, running & weight loss/gain
Creddon - Tweet for a cause and a sponsor will donate $1 to charity
Boostcamp - Free fitness education app for beginners
Public Design Vault - 500+ design tools for public good, all in one place