Pocket - When you find something you want to view later, put it in Pocket.
WebCull - WebCull is an ad-free, privacy-focused bookmark manager that works from any browser or device.
wallabag - Save the web, freely.
elCurator - A collaborative content curation and productivity tool.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Diigo Web Collector - Bookmark, Archive, Screenshot & Markup - All-In-One Web Collector, must-have research tool