Zend Server comes with built-in application monitoring, application problem diagnostics, caching and optimization capabilities and a Web-based administrator console. Zend Server is a web application server for running and managing PHP applications. Products include Zend Server, Zend Studio and Zend Guard, as well as related PHP certification testing.

Zend branded products are designed to help PHP developers create applications. In April, Perforce's Zend Framework was spun off as a separate project to the Linux Foundation, and was renamed Laminas. In January 2019, Rogue Wave Software was acquired by Minneapolis, Minnesota-based application software developer Perforce. Shortly after being acquired, co-founder Andi Gutmans left the company in February 2016. In October 2015, Louisville, Colorado-based software developer Rogue Wave Software acquired Zend. Zend also recruited Mark Burton, who had served as EVP of worldwide sales at MySQL, as executive chairman. In February 2009, Zend's co-founder Andi Gutmans was appointed as CEO, after serving as the company's VP of research and development. In August 2006 Zend raised $20 million in a Series D funding. Business executive Doron Gerstel was recruited to head the company as CEO. In 1999, their company Zend Technologies was formally established and received initial funding from the Israeli venture capital funds Platinum Neurone Ventures and Walden Israel. PHP 4 is based on the first version of the Zend Engine.

In 1998 they redesigned that parser completely and named it the Zend Engine.

In 1997, Gutmans and Suraski rewrote the parser of PHP-FI, originally written by Lerdorf, resulting in PHP 3. The name Zend is a combination of Suraski's and Gutmans' forenames, Zeev and Andi. Zend Technologies was founded by Andi Gutmans and Zeev Suraski who, along with other Israeli graduates of the Technion, the Israel Institute of technology, further developed PHP after its initial creation by Rasmus Lerdorf. The company was founded in 1999, and it was acquired in 2019 as part of Perforce's acquisition of Zend's parent, Rogue Wave Software. The company's products, which include Zend Studio, assist software developers with developing, deploying, and managing PHP-based web applications. Zend, formerly Zend Technologies, is a Minneapolis, Minnesota-based software company.

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