Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
Diigo - Diigo is a powerful research tool and a knowledge-sharing community
Bazoocam - Bazoocam is a popular chat website that rapidly connects you with strangers to chat.
Weava - Workspace to highlight, organize & collaborate on your research articles.
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.