WordPress.com is a blog site hosting service by Automattic. You can get a free blog with basic features. For advanced functionality, you need to opt for one of their paid plans.
Medium is a publishing platform founded by one of the people behind Twitter. By now, it has become a popular community for writers, bloggers, and journalists.
Weebly is another site builder with a modular approach and a web-based interface. Pick a template and position your content as blocks in different areas.
This free blog hosting service has been around for a long time. Google acquired it in 2003.
Squarespace is a drag-and-drop website builder which is aimed at small business owners. It is a great all-in-one solution for non-technical people and offers hosting, domain registration, and the possibility for e-commerce.
Wix is similar to Squarespace. It allows you to put together your web presence via drag and drop and a blogging ability to add to your site.