Alternatives to rosterOS

rosterOS: best ball tool, free, covering NFL on Underdog, DraftKings. These are the closest matches, most similar first.

Best Ball Exposures
Best ball portfolio analytics with a browser extension and an iPhone draft overlay
Best ball toolNFLUnderdog, DraftKings
Free, or $20/mo
Best Ball Maniacs
Free best ball toolkit: portfolio tracker, AI mock drafts, rankings and leaderboard
Best ball toolNFLUnderdog, DraftKings
Free
Best Ball Overlay (BBO)
Best ball portfolio web app plus a paid in-draft overlay with CLV tracking
Best ball toolNFLUnderdog, DraftKings
Free, or $40/mo
Draft Brain
Draft overlay for Underdog/DraftKings NFL best ball, plus PGA and MLB tools
Best ball toolNFLGolfMLBUnderdog, DraftKings
Free, or $5/mo
Draft Caddy
Paid best ball draft overlay for DraftKings, Underdog and Drafters
Best ball toolNFLMLBDraftKings, Underdog, Drafters
From $10/mo
LegUp Sidekick
Simulation-driven dynamic best ball rankings that reorder after every pick
Best ball toolNFLUnderdog, DraftKings
From $199/mo
The Bag Manager
Free Chrome overlay that tracks live best ball exposure across four draft sites
Best ball toolNFLUnderdog, DraftKings, Drafters
Free
Best Ball Domain
Free in-browser analyzer for Underdog best ball entry exports and pod standings
Best ball toolNFLUnderdog
Free
Best Ball Team Builder
Underdog best ball team builder, daily ADP page and portfolio tracker with CLV
Best ball toolNFLUnderdog
Free, or $5/season
BestBallTracker
Underdog draft board with live capture, ADP for every contest type and exposure
Best ball toolNFLUnderdog
Free, or $4.99/mo
Vantage Drafts
Slow-draft planning workspace and portfolio tracker for Underdog best ball
Best ball toolNFLUnderdog
Free
Establish The Run
Expert-driven DFS projections, ownership and slate analysis for NFL, NBA, golf and CFB
ProjectionsNFLNBAGolfCFBDraftKings, FanDuel, Yahoo, Underdog
From $30.99/wk

Ranked by overlap in category, sports and supported sites, not by payment. Sponsored listings are always labeled. Back to the rosterOS profile.