Question: I'm looking for a tool that offers a visual editor for running A/B tests on websites without requiring engineering support or code changes.

If you're looking for a tool that lets you use a visual editor to run A/B tests on websites without having to involve engineers or change code, Unbounce is a top pick. The company's landing page, popup and sticky bar builder has an A/B testing tool to let you test ideas and fine-tune your marketing. Unbounce also comes with AI copywriting, more than 100 templates you can customize, and integration with tools like Google Analytics and Hubspot. It's geared for marketers in many industries who want to create and optimize campaigns without a lot of hassle.

Another contender is OptiMonk, an all-in-one conversion rate optimization suite that includes smart popups, a no-code editor for personalizing websites, and fast A/B testing. OptiMonk uses AI to automate conversion optimization and comes with a library of playbooks to address specific business challenges like raising average order value and lowering cart abandonment. It integrates with more than 100 tools and supports mobile optimization, so it's a good option for sales and engagement work.

VWO is another top contender, a full-featured conversion rate optimization tool with features for analyzing customer behavior, designing experiments and personalizing user interfaces. Built on the Google Cloud Platform for scalability and security, VWO offers AI-powered insights and can optimize server-side functionality. It's for a broad range of people, including UX and analytics teams, growth marketers and product managers.

For those who prefer an open-source option, GrowthBook offers customizable feature flagging and A/B testing tools. It lets companies push and measure product changes from a single interface, with a visual editor and automated experiments. With flexible pricing and community support through Slack, GrowthBook is good for product managers and developers who want to improve product development without a lot of engineering overhead.