Akonter social bookmarking site founded in 2011, is a website for saving web pages or favorite URLs public or private, and save multiple favorite websites on one page, it's specialized for business, shopping, marketing and services tags It can be used to attract more target audience.
Tagpacker - A free tool to quickly collect, organize, and share your favorite links.
BibSonomy - BibSonomy is a system for sharing bookmarks and lists of literature (BibTex format).
Pocket - When you find something you want to view later, put it in Pocket.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Diigo - Diigo is a powerful research tool and a knowledge-sharing community
Feedly - The content you need to accelerate your research, marketing, and sales.