Blogger
Used by 7 peopleen.wikipedia.org ↗

“My browser is Chrome - unless I have to interact with the PTO - and my blog is hosted by Blogger.”
Cynthia Krueger Interview, Patent agent, freelance writer · via Uses This 
“In ancient Web history I helped build the weblog tool Blogger and I wrote a few early Hacks books for O'Reilly.”
Paul Bausch Interview, Web developer (MetaFilter) · via Uses This 
“I could have used Google's Blogger software, but I wanted to keep my blog completely under my control and make it very clear that it's my personal blog.”
Matt Cutts Interview, Head of Google's webspam team · via Uses This