PackMojo - Create custom packaging in 3D and order in low volume
Zukitwo - Zukitwo is a Gnome Shell and GTK theme that currently works on Gnome Shell 3.14 and the latest version of GTK.
Pakible - Custom packaging, made simple. 10 boxes for $10
Materia - Materia is a development environment to build advanced mobile and web applications.
Die Cut Templates - Generate custom professional packaging templates in seconds.
Dark Language - Holistic language, editor, and infra for building backends