Question: Need a tool that can simulate failures and test system resilience, do you know of any?

If you need a tool to simulate failures and test resilience, Gremlin is a great option. Its features include Fault Injection, Reliability Scoring and Dependency Discovery to help you find and fix reliability problems at large scale. The service works with multiple cloud computing environments and is geared for industries like finance, retail and technology where outages are particularly costly. Gremlin offers a 30-day free trial and plenty of documentation to get you started.

Another good option is BlazeMeter, a full-featured continuous testing service. BlazeMeter offers sophisticated test data generation, load testing and chaos testing to ensure your apps work well on different devices and under different circumstances. It supports a variety of testing approaches and can be integrated with tools like Apache JMeter, Selenium and Gatling. It's good for large enterprises that need large-scale, secure testing that meets regulatory demands like PCI and GDPR.

If you have a wider range of testing needs, you might want to look at Parasoft. The company's tools span a range of testing types, including safety-critical, API, web and cloud testing. Parasoft's tools for static code analysis, unit testing and functional safety compliance can help teams speed up software development and lower defect rates. It's used in a range of industries, so it's a good choice for companies with more complex testing needs.