WebCull - WebCull is an ad-free, privacy-focused bookmark manager that works from any browser or device.
dotEPUB - Convert any webpage into an e-book
Save For Later - Allows you to bookmark any website to read later.
LARDER - Bookmarking for developers
Easy Reader - EasyReader can customize and improve the readability of long web articles
Pocket - When you find something you want to view later, put it in Pocket.