PrettyCI is a SaaS that provides continuous integration for PHP coding standards. It runs PHP CodeSniffer and PHP-CS-Fixer on every commit pushed to a GitHub repository.
The project is built using Laravel, Spark, Stripe and AWS Lambda.
externals.io is a web interface for the PHP #internals mailing list. It fetches emails using the NNTP protocol-sm and displays them as threads in an interface designed for readability.
It is built to be optimized both on the backend and frontend, with the search implemented using Algolia.
returntrue.win is a puzzle game for PHP developers to discover weird PHP behaviors.
It runs entirely as a serverless PHP application on AWS Lambda and DynamoDB, which works really well even when it gets a bit of traffic.
isitmaintained.com is a website that helps understanding how well an open source project is maintained, via metrics and badges.
More than 1,000 repositories have been setup by users and are continuously analyzed to create reports and badges.
You can find more open source projects on my GitHub profile.