Pocket, Raindrop.io, Diigo, Pinboard, iCloud Bookmarks, Omnivore, LinkStash, Upnext, LinkCollector, Turtl, Sitebar, Tagpacker, Matter Reader, Saved.io, LinkAce, EverSync, Fav-Links, Bookmax, Tidyfavorites, Transmute, Firefox Sync, LinqBox, Listango, Power Favorites, Pagemark, Bookmark2, bookmark buddy, LinkPadz, Bkmks, Webbla, FAVable, Deng Google Bookmarks, Firefox Home, Safavor, BookSmarts, feelDweb Online, Spidermarks, myWebroom, Fav2Go, Arado Websearch are some alternatives to LinkLocker.