WizIQ offers a virtual classroom for live, online teaching and is used by 100,000 trainers/instructors in 5,000 institutions. There are no downloads and it’s easy to use for any number of attendees! It works in Flash technology, browser-like tabbed interface, MS Office like keyboard shortcuts. WizIQ brings in a very simple user interface which lets you focus on your teaching—not the technology. The easy-to-use tool works on any operating system, requires no installation or changes in the user’s system or training; offers browser-like tabbed interface and MS Office like keyboard shortcuts. You simply have to log in to start your class. You can invite any number of attendees, whether that’s just one student getting one-on-tutoring or 500 people who want to hear your lecture! They offer a free 30-day trial.