...Easy to expand, highly flexible, newly expanded data source plugins can integrate with existing data source plugins instantly, plugin developers do not need to care about the code logic of other plugins.
Vim-Pathogen is a lightweight plugin manager for Vim that simplifies how you handle and isolate your runtime path. Rather than dumping all plugins directly into the same directories, Pathogen encourages you to install each plugin into its own subdirectory (for example under ~/.vim/bundle/), and then it automatically adds those directories into Vim’s runtimepath. This makes upgrades, removals and organization of plugins far easier and more robust.
The XML Code Template Engine produces class code skeletons that can include equality and logging methods in C++ or Java(so far) from an XML document outlining. It also creates Doxygen compatible comments and a has very simple plugin system.