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WPBakery Page Builder started off as Visual Composer offered on the Envato site ThemeForest, however due to changes in Envato's exclusivity terms, the project split in two. WPBakery Page Builder is the version offered on ThemeForest.
The independent counterpart to Visual Composer. It's better maintained, and with better features, but comes with a price tag to match.
Beaver Builder has been around since 2014, and in that time it has grown to an install base of over 1,000,000. It frequently reviews well, even filtering out the less helpful "sales page" reviews. Plus of course, they have a rather cute name and a very cute logo.
A mainstay of the page builder marketplace, Divi Builder by Elegant Themes has been around since 2013. The Builder is a component of the Divi Theme, and can only be bought as such, however it is possible to use the builder plugin separately from the theme. It's one of the few page builders that doesn't offer it's license as a yearly subscription, and so depending on your use case, could be more cost effective than some of the others.
The right page builder plugin can remove a lot of hassle from building pages in WordPress. SeedProd is one of the more popular WordPress page builders, it has more than 1 million downloads and an average rating of 4.9 stars (out of 5) on the WordPress repository. While SeedProd has been designed for building conversion-optimized landing pages, it can be used for building any type of page. This plugin offers a minimal free version and several premium plans so you can pick one that suits your current needs.
Released in 2016, Elementor has quickly grown to an install base of over 5,000,000. Helped in no small part by their very generous free plan, and an easy to use interface.