Image via CrunchBase
Zemanta is an add-on that you can add to Firefox, Google Chrome, or IE, that adds a sidebar while your blogging, that suggests images and links based on what your typing, it's a very good app, it also suggests in-text links, and allows you to one click add them all if you want. It Suggests tags, it's simply amazing.
Zemanta is great but it has it's flaws too, when it comes to adding images there are two options for where you want the images to be, on the right or left side of the blog, and all images are automatically added to that side of your posts. Obviously I want to be able to pick where each image goes without having to fight with the app just to get it there.
Now for Apture, Apture is a similar extension that allows you to click a button to pop up a window suggesting links based on what you had highlighted. I liked the product a little bit, but I ran across some issues, IT DOES NOT SUPPORT ADDING ANY CONTENT FROM GOOGLE, Only Yahoo and Bing. This is a big deal to me I like my personalized search and I like Google with Google I know what I will get, with bing and yahoo, it's similar stuff but still not what I want.
Apture also required me to add code to my blog, thats a downside to me, I have it hidden but still it's not something I like.