Update 2020 - I'm posting this ahead of my first review. b2 has had a pretty big update with a lot of changes to how it works. Several things I wrote about in my review will no longer apply. So, read (below) with a grain of salt.
I found b2 the best alternative to WordPress. It is free to use, open source and has not become commercial (targeted to web developers and marketers, not writers and publishers). b2 is user friendly and has a lot of function and features for publishers. A plus for me is the history behind b2, it is not a new start up. b2evolution was here when WordPress was starting.
My only problem is how images are loaded. When you write a post and want to include an image you have to open a new screen and upload your image to your site. Then, go back to the screen you are writing your post in and add the image there. It is an extra step. I do understand that using images this way means I can upload them exactly where I want each image in my site files. But, when I'm writing a post, opening another screen interrupts the flow of my writing. Really, I just need to adapt and add images after the post is written.
WordPress is not a lot better at this, still no way to really deal with images when you have a lot of them (unless you try more plugins to organize and edit them). At least with b2 you don't need to add plugins.
However, b2 is actively evolving and developing. Support for anything I asked about was quick and very good at fixing problems. Also, b2 is one of the few CMS alternatives which does work to import your WordPress site. I tested it on 3 different sites of my own. The only problem I had was one site which failed due to some added code/ glitch in the WordPress imported files (possibly generated by a plugin at some point though I tried with all plugins deleted or disabled).
Unfortunately, b2 does not have what I wanted for keeping links as a resource directory. WordPress doesn't either, unless you use a plugin to bring the link manager back.
b2 does have the bookmarklet for adding posts from your web browser. This is another feature WordPress decided to remove. I use the bookmarklet often! I can write a post while I am still at the source of my inspiration and link to the source site. Content curation and writing a short post when and where you find your inspiration makes publishing so much easier than returning to your site every time you want to post anything.
For a lot of reasons, b2 is my favourite WordPress alternative. It is user friendly, not drastically unlike WordPress in how it works, not commercial or abandoned software. Help is great and the tutorials on the site are kept fairly up to date with the software.
Plus, it is easy to have multi sites and users on your domain, if you wanted to get help running all your sites. I consider help, but no one does everything just the way I do everything and I really like doing everything my way.