In the field of software testing Selenium has become very popular for all the right reasons and the future of this tool looks intact. The reason I am saying this because all the benefits that we get using selenium which is in no other tools.
As selenium is an open source framework, so it can be used for absolutely free.
Selenium supports various programming languages such as Java, Ruby, Python, C#, PHP.
When it comes to supporting the OS then selenium supports all operating systems such as windows, Linux and mac.
Selenium is a very powerful tool for automation and is a must-have skill set for QA professionals. Approximately all the major companies have either moved or are moving to selenium which will also result in more number of job opportunities. It means selenium is not going anywhere for quite a long time. If you want to learn Selenium then you should have a look at the following Selenium Training Course. You can also watch the following Selenium video tutorial to clear all your concepts regarding it this will be very helpful.