supervisor - PHP CLI process supervisor, based on Symfony/Process
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.
supervisor - PHP CLI process supervisor, based on Symfony/Process
Using Elementary OS 0.3 Freya daily build for two days. Not ideally stable (it is not even beta), but beautiful :) Btw. Beta status could be tracked in http://isfreyareleasedyet.com/.
Runnable.com - jsFiddle alternative for server side (PHP, Ruby, Bash and even much more) languanges. Allows to run, share and collaborate on code snippets.
bouncejs allows to make nice CSS3 animations composition via GUI
vtop - Node.js based htop replacement. Looks very nice, but I dont think I will use it on real server.