If you’re looking for a “light” alternative to WordPress that doesn’t require a massive learning curve, PHP-driven HTMLy just might fit the ticket.
HTMLy a simple PHP CMS program that stores all the posts in Markdown. It’s also open source and free. It looks like recent development is a few months old, which is a concern. There is not a lot of documentation available either. Many of these applications are one-man shows. If this guy disappears, so does the program. The good news is that the github issue forum is active.
Sometime long ago in this galaxy, not one far, far away, I installed a LocalHost version of GetSimple CMS on Windows 7 XAMPP.
GetSimple is an alternative to big SQL database-driven content management systems like WordPress. According to the site, GetSimple is an XML-based, standalone, fully independent and lite Content Management System. Without a database program, some of the security and complexity problems theoretically should go away. Plus, for smaller, less content-driven sites, there’s no need for the overhead.