Simple starter kit for wordpress includes some useful plugins and themes to get you started quickly.
Bare bones Twitter bootstap theme https://github.com/320press/wordpress-bootstrap/
###Advanced custom fields Use the Advanced Custom Fields plugin to take full control of your edit screens & custom field data
http://www.advancedcustomfields.com
Akismet is an advanced hosted anti-spam service aimed at thwarting the underbelly of the web. It efficiently processes and analyzes masses of data from millions of sites and communities in real time. To fight the latest and dirtiest tactics embraced by the world's most proficient spammers, it learns and evolves every single second of every single day. Because you have better things to do.
Contact form 7 allows you to quickly and easily add contact forms to your site.
The plugin Limit Attempts allows you to limit rate of login attempts by the ip, and create whitelist and blacklist.
https://wordpress.org/plugins/limit-attempts/
Theme Options UI Builder for WordPress. A simple way to create & save Theme Options and Meta Boxes for free or premium themes.
https://wordpress.org/plugins/option-tree/
Easy Web Performance Optimization (WPO) using caching: browser, page, object, database, minify and content delivery network support.
https://wordpress.org/plugins/w3-total-cache/
Reduce image file sizes and improve performance using the Smush.it API within WordPress.