Inertia.js lets you quickly build modern single-page React, Vue
A PHP port of GraphQL reference implementation
nuBuilder Forte is a cloud database builder.
WYSIWIG conditional compilation preprocessor for Java etc.
File manager with jsFiddle like previews and sandboxing
Linux OS from ubuntu, customisable for everyone, social and media
CodeIgniter Model generation from database
Javascript in the clouderland. The GPL web based editor for developers