App: DraftSharks Sync
Developer: Accelerate Media Inc.
Genres: Sports, Utilities

This will allow you to bring your rosters, league info, and draft picks into draftsharks.com. No need to share your passwords with us. As long as you have logged-in to your favorite commissioning site recently enough, we can use your cookies or pull league data from the site directly.

Release notes:
Added support for Underdog Fantasy
Added Sleeper's new .com domain
Updated Yahoo to prevent rate-limiting on popular draft days