Jijawi (Jijawi Is Just Another Web Installer) is an easy way to distribute your PHP Web application to your users. It comes with a complete modular structure, which allows you to modify the installer as much as you want with the least possible effort. Jijawi supplies you with a system check and a MySQL module by default, so you can get the most common installer running in a few minutes.
The JumpBox for Ruby on Rails is a self-contained Ubuntu Linux environment that, upon startup, immediately hosts fully functioning Apache, Ruby, MySQL, and Ruby On Rails environments. With only a minimal amount of preparation, you can use your favorite deployment method to install and host your Rails application on the JumpBox.
Jupidator is a framework to automate the updating procedure of an application. It can be used on all major platforms. It makes it easy to integrate the self-update feature to any program in any language. It has various levels of file description granularity, and the developer can work with file groups or even single files, while keeping track of the change-log in a user friendly manner. It is based on XML for describing files and Swing or a console to display visuals.