1. Blogger.com - of course, although most pros will not agree with, this platform is perfect for just getting started and learn the ropes.
2. Problogger - a blog that pretty much focuses on helping bloggers and making them better at what they do.
3. Copyblogger - pretty much like Problogger, great advice, tools and resources for bloggers.
4. Blogging Tips - another great resource blog.