The Static Site Generators list is definitely the most comprehensive list of these tools available. While a list of nearly 400 tools may seem overwhelming, it offers helpful details, such as the language the tool is built with, when it was created, and even the last time it was updated, all of which you can sort by.
StaticGen doesn’t aim to be nearly as comprehensive, but it offers a good amount of additional details about each project. For example, it pulls the short and long description from the project repository and lists the templating languages it supports. You can filter by the language the tool is built with and sort by stars, forks, issues, or title.
Still, the new generation of static site generator tools tend to have some characteristics in common: