Software testing through Automation is considered as one of the most trending methodology these days followed by many software testers as well as QAs, in the overall Software Testing/development life cycle. With the help of automation testing, one can get more effective as well as efficient software test results.
Depending upon the functionalities, there are various good Automated software testing tools. It totally depends upon the need and requirement of the tester, say for example, some needs Web test automation, some needs to automate Database testing or Cross-Browser testing, etc.
Some of the best and must learn software testing tools which are mostly preferred by the testers & QAs, and also which can offer a long term career are:
Few tools among these like TestingWhiz, Selenium, etc. provides multi-functionalities, and hence are used by many testers/QAs. Further among these, TestingWhiz is a codeless test automation tool which is easy to learn and implement. You can download its 30 Days Free Trial version and experience the actual automated software testing.