Google Custom Search, at the bottom of page, and sidebar.
Archives and Categories, on the sidebar
RSS Feed, at the top of the sidebar
Pin It button, embedded at the beginning of every post.
Like on Facebook and Tweet on Twitter - You can find these at the bottom of every post.
Blog Button! Find this on the sidebar. Copy paste my code onto your website if you like my website. When people click the button, it comes to my website! Cool, right? :) I've made a tutorial for this, which you can see, here. :)
And don't forget to send in your comments!