Users find Calibre's interface overly complicated for basic tasks like browsing their library and sending books to e-readers. This complexity leads to frustration, as many users on...
Build idea: SimpleLib — A lightweight e-book manager for quick library browsing and transfers.
ProductivityCalibre
2 sources
Week of 2026-03-09SAM $66M-$462M/yrOpportunity: 4/5