Colly : Colly is a Go framework that provides a clean interface to write any kind of crawler/scraper/spider
With Colly you can easily extract structured data ...
PHP Quick Profiler : A tool for quickly profiling variables and resources used by PHP.
Its Continuous! : The tweet-sized continuous integration app for PHP development.
Chromeless : Chrome automation made simple. Runs locally or headless on AWS Lambda.
Chromeless can be used to...
Run 1000s of browser integration tests in paralle...
Mink : Mink is an open source acceptance test framework for web applications, written in PHP 5.3.
Goutte is a screen scraping and web crawling library for PHP.
Goutte provides a nice API to crawl websites and extract data from the HTML/XML responses.