Codeception vs Kahlan: What are the differences?
Codeception: Elegant and Efficient Testing for PHP. Full-stack testing framework for PHP. Run browsers tests, framework tests, APIs tests, unit tests with ease; Kahlan: A full-featured Unit & BDD test framework. It is a full-featured Unit & BDD test framework a la RSpec/JSpec which uses a describe-it syntax and moves testing in PHP one step forward.
Codeception and Kahlan belong to "Testing Frameworks" category of the tech stack.
Kahlan is an open source tool with 1K GitHub stars and 54 GitHub forks. Here's a link to Kahlan's open source repository on GitHub.