Prompted by a post from librarian extraordinaire, Joyce Valenza, I spent a happy hour fooling with logos (despite lacking any graphic design talent or training, I find typography and graphic design fascinating).
She writes about free logo tools, including https://www.designevo.com/, which is ridiculously easy and fun to fool with. Here’s one I did for my employer.
And one for the blog, 
Yeah, they are nothing to write home about, but the tool is easy to use, and fun. And worth your while if you can’t afford a Pentagram designer! (And you probably can’t!)
A Few Reasonable Words 