We just released a simple, versatile A-Z glossary app. It's super-simple and looks like this:

As always it's multi-language and more, and the details-pages have SEO optimized URLs. The details looks like this by default:

The default edition comes with Bootstrap3 optimized CSS, and is easy to adjust as you need it. Download from the app-catalog or check it out on github.
Love from Switzerland,
iJungleboy