Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Pocket - When you find something you want to view later, put it in Pocket.
BookmarkSheet - Your bookmarks in Google Sheets
Instapaper - Instapaper is a simple tool to save web pages for reading later.
PageMarker - Save, organize, annotate and revisit your bookmarks
Keep Everything - Light & Fast Web Archiver for iOS, OS X.