WebCull - WebCull is an ad-free, privacy-focused bookmark manager that works from any browser or device.

Raindrop.io - All your articles, photos, video & content from web & apps in one place.

Easy Reader - EasyReader can customize and improve the readability of long web articles

Barkr - Organise bookmarks into collections and then find your favourite websites quickly and easily, using an intuitive search rather than wading through masses of folders.

Save For Later - Allows you to bookmark any website to read later.

Pinboard - Pinboard is a personal archive for things you find online and don't want to forget.