scrible - scrible lets you highlight and annotate web pages and easily save, share and collaborate on your...

Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.

Genius.it Web Annotator - Distinct from Genius's original rap and music lyric annotations, Genius.

Emerald Chat - An omegle alternative on the web with several enhanced features.

Hypothes.is - Annotate with anyone, anywhere

BlaBla.Cam - BlaBla.Cam is basically Omegle or a Chatroulette reimplemented with the latest web technologies. It offers a simple and lightweight user interface that works on both computer and smartphone, and which can optionally be installed as an application.