Products I build and run on my own.

• ZenOSzen-os.xyzYour day in one place. Training, health, diet, money, habits and tasks on one screen, so every morning you know what to focus on.
• Illusion of Diversificationillusionofdiversification.comEvery stock in MSCI ACWI, MSCI World and the S&P 500, sized by its real weight. See how concentrated your ETF is.