LinkedIn - LinkedIn is a business-oriented social networking service, mainly used for professional networking.
Img.vision - Image hosting & video hosting for eCommerce sellers
Polywork - Polywork is a professional social network that allows you to post updates about what you're up to (in work, and, if you like, in life too).
BeeIMG - BeeIMG is a simple, fast, easy image sharing solution created to fill up your image sharing needs.
Landing.jobs - Find the right tech job for you
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.