Mailcatcher - runs a super simple SMTP server which catches any email message sent to it to display in a web interface.
Best Practices for Building a Microservice Architecture. Looks like a wide set of questions covered.
Broadway provides infrastructure and testing helpers for creating CQRS and event sourced applications in PHP
Active Interaction - an implementation of the command pattern in Ruby. To organize and manags application-specific business logic.
Mailcatcher - runs a super simple SMTP server which catches any email message sent to it to display in a web interface.
php-queue - unified front-end for different queuing backends. Includes a REST server, CLI interface and daemon runners.
pesticide.io help to find CSS bug by placing an colored outline on every element on a page. Also available as Chrome extension.
SuperHeroJS - great collection of articles on all aspects of JavaScript. Starting from very basics up to questions of advanced usage, code organisation, testing, tools and performance
Awesome library for dynamic CSS shadows shine.js. Dynamic light positions, customizable shadows, uses text or box shadows based on content