xCSS : xCSS bases on CSS and empowers a straightforward and object-oriented workflow when developing complex style cascades.
Flow : Flow is a PHP web application framework focussed on Domain-Driven Design and clean code.
Ink : A Responsive Email Framework from ZURB. Quickly create responsive HTML emails that work on any device & client. Even Outlook.
PeoplePods : PeoplePods is a developer-friendly social software toolkit
Build applications where people meet, talk, share, read, work, publish and explore.
YAML Builder : A tool for visual layout development of YAML based CSS layouts
