Webinar is the combination or blend of the two words ‘Web’ and ‘Seminar’. The word ‘Webinar’ is derived, basis of described blend because that application allows conducting seminars via the web. However, it is not the only functionality of the webinar. A business professional can hold the webinar to address its clientele, conduct an online conference as well as have the meeting with his workforce.
There are lots of free webinar services, available for use with flexible features. To be a very simple, you don’t any need to spend even a single penny to use that free webinar services. But, you need to signup (where required) to gain access; these applications are easily operatable in Window operating systems.
TokBox.com allows video chatting by keep integrating with your blogs or websites. This application is super-fast to start and easily operatable. It is plug-n-play type application that also offers WordPress and Drupal Plugins.
BigBlueButton.com is an open source conferencing application. It is specially built for the educational sector. You can find voice and video calls, screen sharing and other features on that single application. Its features are being constantly updated as it is the open source application.
ooVoo.com is developed for freelancers and small enterprises; it allows video chatting but for the limited number of participants. It allows recording option with HD quality features.
OpenMeetings is another open source webinar application but it is browser based but easily hostable on your own personal server. It allows robust sharing options and there is no any participation restrictions. This open source application is developed by the Apache Foundation.