MarsEdit is a powerful tool developed by Red Sweater Software and it is used for writing, viewing and publishing content on blogs. It has a friendly-user interface and an easy-to-use menu that grants the users quick access to all of the features. This feature-rich application allows the users to update their existing blog, but also provides support for users that don't have a blog, recommending one of two blogging platforms.
The tool comes with support for both text files and photos, allowing the users to create or update their blogs in a simple way. The key feature of this application is that the users don't need to be familiarized with programming languages or complicated web applications, but allows the users to input their texts and photos, which will be quickly uploaded by the piece of software. The Media menu will open another window that allows the users to upload pictures from their Mac on blogs or Flickr.
All in all, you should give MarsEdit a try; it provides an efficient way to view, edit and publish content on your blogs and it is accessible for both beginners and experienced users.