Draft With A Real Edge
rosterOS helps you make better picks in the room and better portfolio decisions after the draft. Real-time extension insights, portfolio analytics, and rankings tools built for best ball grinders, fully free and privacy-first.
One Season. Three Tools.
Draft Extension
Get live player grades, build guidance, stack opportunities, and draft capital context while the clock is running.
Data Platform
Upload your draft history and see exposure, CLV, stacks, combos, and trend signals across your portfolio.
Rankings
Use rosterOS rankings or upload your own. Keep your board aligned to your process and your risk tolerance.
Free, Private, Built For Draft Volume
From one draft to hundreds, rosterOS is designed to help you stay sharp at scale without adding cost or giving up control of your data.
Free To Use
Daily ADP Intelligence
Instant Portfolio Intelligence
Draft CSVs Stay Local To Your Browser